- rina, Turritella rina † - (TURRITELLIDAE) (FOSSIL)
- rinae, Scolodonta rinae Miquel & Bungartz, 2017 - (SCOLODONTIDAE)
- rinaldii, Horologica rinaldii A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- rinaldii, Mitra rinaldii H. Turner, 1993 - (MITRIDAE)
- rinaldii, Parthenina rinaldii (P. Micali & I. Nofroni, 2004) - (PYRAMIDELLIDAE)
- rinaldii, Chrysallida rinaldii P. Micali & I. Nofroni, 2004 - syn of: Parthenina rinaldii (P. Micali & I. Nofroni, 2004) - (PYRAMIDELLIDAE)
- Rinaldoconchus, Genus Rinaldoconchus Zardini, 1980 (ARCHITECTONICIDAE) (FOSSIL)
- Rinaldoella, Genus Rinaldoella Bandel, 2009 (WORTHENIELLIDAE) (FOSSIL)
- rinaldoi, Rinaldoella rinaldoi (G. Schwartz, 1992 †) - (WORTHENIELLIDAE) (FOSSIL)
- Rinaldomphalus, Genus Rinaldomphalus Bandel, 1993 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Rinaldopsis, Genus Rinaldopsis Bandel , 2007 (TRICOLNATICOPSIDAE) (FOSSIL)
- rinaldus, Ampezzotrochus rinaldus K. Bandel, 1993 † - (EUCYCLOSCALIDAE) (FOSSIL)
- rincigula, Dentimargo rincigula (G.B. III Sowerby, 1901) - (MARGINELLIDAE)
- rinconadense, Chondropometes torrei rinconadense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- rinconadensis, Ventricochis atropurpurea rinconadensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- rinconadensis, Liocallonia canaletensis rinconadensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- rinconensis, Sonorella rinconensis H.A. Pilsbry & J.H. Ferriss, 1910 - (HELMINTHOGLYPTIDAE)
- rinconensis, Torrecoptis rinconensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- rinconensis hesterna, Sonorella rinconensis hesterna H.A. Pilsbry & J.H. Ferriss, 1919 - (HELMINTHOGLYPTIDAE)
- Rineceras, Genus Rineceras Hyatt, 1893 (TRIGONOCERATIDAE) (FOSSIL)
- rinella, Odostomia rinella W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- Rinetrigonia, Genus Rinetrigonia van Hoepen, 1929 (PTEROTRIGONIIDAE) (FOSSIL)
- Ringactaeon, syn of: Genus Ringicula G.P. Deshayes, 1838 (RINGICULIDAE)
- Ringacteon, syn of: Genus Ringicula G.P. Deshayes, 1838 (RINGICULIDAE)
- ringei, Actaeon ringei H. Strebel, 1905 - syn of: Toledonia vagabunda (J.F. Mabille, 1885) - (ACTEONIDAE)
- ringei, Pareuthria ringei (H. Strebel, 1905) - (BUCCINIDAE)
- ringei, Photinula ringei G.J. Pfeffer, 1887 - syn of: Photinula coerulescens (P.P. King & W.J. Broderip, 1832) - (CALLIOSTOMATIDAE)
- ringei, Toledonia ringei H. Strebel, 1905 - syn of: Toledonia vagabunda (J.F. Mabille, 1885) - (DIAPHANIDAE)
- ringei, Trophon ringei H. Strebel, 1904 - syn of: Xymenopsis buccinea (J.B.P.A. Lamarck, 1816) - (MURICIDAE)
- ringelei, Glycymeris obovata ringelei Moerdijk & F.A.D. van Nieulande, 2000 † - (GLYCYMERIDIDAE) (FOSSIL)
- ringens, Tornatellina ringens W.L.H. Dohrn, 1863 - syn of: Tubuaia gouldi (L. Pfeiffer, 1856) - (ACHATINELLIDAE)
- ringens, Gemophos ringens (L.A. Reeve, 1846) - (BUCCINIDAE)
- ringens, Buccinum ringens W.J. Swainson, 1822 - syn of: Malea ringens (W.J. Swainson, 1822) - (BUCCINIDAE)
- ringens, Bulimus ringens R.W. Dunker, 1847 - syn of: Bahiensis ringens (R.W. Dunker, 1847) - (BULIMULIDAE)
- ringens, Bucardium ringens (J.G. Bruguière, 1789) - (CARDIIDAE)
- ringens, Cerithium ringens C.É. Bayle, 1880 - syn of: Colina macrostoma (R.B. Hinds, 1844) - (CERITHIIDAE)
- ringens, Colina ringens C.É. Bayle, 1880 - syn of: Colina macrostoma (R.B. Hinds, 1844) - (CERITHIIDAE)
- ringens, Ascetostoma ringens (M.M. Schepman, 1908) - (CHILODONTIDAE)
- ringens, Herpetopoma ringens (M.M. Schepman, 1908) - syn of: Ascetostoma ringens (M.M. Schepman, 1908) - (CHILODONTIDAE)
- ringens, Abida ringens H.A. Pilsbry, 1918 - syn of: Abida pyrenaearia A. Michaud, 1831 - (CHONDRINIDAE)
- ringens, Abida ringens A. Michaud, 1838 - syn of: Abida bigerrensis A. Moquin-Tandon, 1856 - (CHONDRINIDAE)
- ringens, Hemiphaedusa ringens (P.B. Schmacker & O. Böttger, 1890) - (CLAUSILIIDAE)
- ringens, Cystiscus ringens W.L. May, 1919 - syn of: Cystiscus angasi (J.C.H. Crosse, 1870) - (CYSTISCIDAE)
- ringens, Diplommatina ringens (J.C.H. Crosse, 1866) - (DIPLOMMATINIDAE)
- ringens, Cookeconcha ringens (E.R. Sykes, 1896) - (ENDODONTIDAE)
- ringens, Fusinus ringens (A.H.E. Beyrich, 1856 †) - (FASCIOLARIIDAE) (FOSSIL)
- ringens, Boysidia ringens W.S.S. Van Benthem-Jutting, 1950 - (HYPSELOSTOMATIDAE)
- ringens, Leiostyla ringens J.G. Jeffreys, 1862 - syn of: Leiostyla anglica (W. Wood, 1828) - (LAURIIDAE)
- ringens, Eucithara ringens (G.B. III Sowerby, 1893) - (MANGELIIDAE)
- ringens, Hippomya ringens Salter, 1864 † - (MODIOMORPHIDAE) (FOSSIL)
- ringens, Drupa ringens G.P. Deshayes, 1865 † - (MURICIDAE) (FOSSIL)
- ringens, Nassa ringens L.A. Reeve, 1854 - syn of: Nassarius conoidalis (G.P. Deshayes, 1832) - (NASSARIIDAE)
- ringens, Demoulia ringens A. Adams, 1855 - syn of: Nassarius conoidalis (G.P. Deshayes, 1832) - (NASSARIIDAE)
- ringens, Nerita ringens L.A. Reeve, 1855 - syn of: Nerita plicata C. Linnaeus, 1758 - (NERITIDAE)
- ringens, Anostoma ringens (C. Linnaeus, 1758) - (ODONTOSTOMIDAE)
- ringens, Bahiensis ringens (R.W. Dunker, 1847) - (ODONTOSTOMIDAE)
- ringens, Burringtonia exesa ringens (J.C. Jay, 1836) - (ORTHALICIDAE)
- ringens, Distorsio ringens R.A. Philippi, 1887 † - (PERSONIDAE) (FOSSIL)
- ringens, Ringicula ringens (J.B.P.A. Lamarck, 1804 †) - (RINGICULIDAE) (FOSSIL)
- ringens, Malea ringens (W.J. Swainson, 1822) - (TONNIDAE)
- ringens, Clanculus ringens (K.T. Menke, 1843) - (TROCHIDAE)
- ringens carinatum, Anostoma ringens carinatum L. Pfeiffer, 1853 - syn of: Anostoma carinatum (L. Pfeiffer, 1853) - (ODONTOSTOMIDAE)
- ringeriensis, Mactromya ringeriensis (Mantell) † - (MACTROMYIDAE) (FOSSIL)
- ringerikiense, Schuchertoceras ringerikiense E. Strand, 1934 † - syn of: Schuchertoceras troedssoni (Foerste, 1929 †) - (ASCOCERATIDAE) (FOSSIL)
- Ringicardium, syn of: Genus Bucardium J.E. Gray, 1853 (CARDIIDAE)
- Ringicella, Subgenus Anostoma (Ringicella) J.E. Gray, 1847 (ODONTOSTOMIDAE)
- ringicula, Abida ringicula H.C. Küster, 1859 - syn of: Abida polyodon (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- ringicula, Alexia ringicula J.R. Bourguignat, 1893 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- ringicula, Ovatella ringicula É.A.A. Locard, 1893 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- ringicula, Dentimargo ringicula G.B. III Sowerby, 1900 - syn of: Dentimargo rincigula (G.B. III Sowerby, 1901) - (MARGINELLIDAE)
- Ringicula, Genus Ringicula G.P. Deshayes, 1838 (RINGICULIDAE)
- Ringiculadda, syn of: Subgenus Ringicula (Ringiculina) T.A. de M. Monterosato, 1884 (RINGICULIDAE)
- Ringiculella, Subgenus Ringicula (Ringiculella) Sacco, 1892 (RINGICULIDAE) (FOSSIL)
- RINGICULIDAE Philippi, 1853 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-HETEROSTROPHA [Infraclass]-RINGICULOIDEA [Superfamily])
- Ringiculina, Subgenus Ringicula (Ringiculina) T.A. de M. Monterosato, 1884 (RINGICULIDAE)
- Ringiculinopsis, Subgenus Ringicula (Ringiculinopsis) G.Y. Lin, 1985 (RINGICULIDAE)
- Ringiculocosta, Subgenus Ringicula (Ringiculocosta) Bellardi & Sacco, 1892 (RINGICULIDAE) (FOSSIL)
- ringiculoides, Acteon ringiculoides Á. Valdés, 2008 - (ACTEONIDAE)
- Ringiculoides, Genus Ringiculoides Y.S. Minichev, 1966 (RINGICULIDAE)
- Ringiculopsis, Genus Ringiculopsis A.L. Chavan, 1947 (RINGICULIDAE)
- Ringiculoptycha, Genus Ringiculoptycha Kropaczek in Studencka, 1986 (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- Ringiculospongia, Genus Ringiculospongia F. Sacco, 1892 (RINGICULIDAE)
- ringiculum, Cardium ringiculum G.B. II Sowerby, 1834 - syn of: Papyridea semisulcata (J.E. Gray, 1825) - (CARDIIDAE)
- Ringinella, Genus Ringinella D'Orbigny, 1842 (RINGICULIDAE) (FOSSIL)
- ringnesia, Pseudamussium ringnesia W.H. Dall, 1924 - syn of: Cyclopecten ringnesia (W.H. Dall, 1924) - (PECTINIDAE)
- ringnesia, Cyclopecten ringnesia (W.H. Dall, 1924) - (PROPEAMUSSIIDAE)
- ringnesia, Cyclopecten ringnesia W.H. Dall, 1924 - syn of: Cyclopecten ringnesia (W.H. Dall, 1924) - (PROPEAMUSSIIDAE)
- Ringnesiceras, Genus Ringnesiceras Kemper & Jeletzky, 1979 (POLYPTYCHITIDAE) (FOSSIL)
- Ringoceras, Genus Ringoceras Strand , 1934 (KIONOCERATIDAE) (FOSSIL)
- Ringsteadia, Genus Ringsteadia Salfeld, 1917 (AULACOSTEPHANIDAE) (FOSSIL)
- rinkenbachensis, Sporadoceras rinkenbachensis Matern, 1931 † - (SPORADOCERATIDAE) (FOSSIL)
- rinkensi, Amoria rinkensi G.T. Poppe, 1986 - (VOLUTIDAE)
- rinki, Pecten rinki Lundgren, 1895 - (PECTINIDAE)
- rinkii, Microcystina rinkii O.A.L. Mörch, 1872 - (ARIOPHANTIDAE)
- rintriada, Nannodiella rintriada W.C. Mansfield, 1925 † - (CLATHURELLIDAE) (FOSSIL)
- riocanensis, Cunearca riocanensis C.J. Maury, 1917 † - (ARCIDAE) (FOSSIL)
- riocanensis, Armimiltha riocanensis (C.J. Maury, 1917 †) - (LUCINIDAE) (FOSSIL)
- riocanensis, Tellina riocanensis C.J. Maury, 1917 † - (TELLINIDAE) (FOSSIL)
- riocanensis, Petricola riocanensis C.J. Maury, 1917 - syn of: Choristodon robustus (G.B. I Sowerby, 1834) - (VENERIDAE)
- Rioceras, Genus Rioceras Flower, 1964 (RIOCERATIDAE) (FOSSIL)
- RIOCERATIDAE Krφger & Evans, 2011 - Family (CEPHALOPODA-NAUTILOIDEA [Subclass]-ELLESMEROCERIDA [Order]) (FOSSIL)
- riochcoensis, Radioconus riochcoensis A.J. Crawford, 1939 - (HELICODISCIDAE)
- rioensis, Spathites rioensis Powell, 1963 † - (ACANTHOCERATIDAE) (FOSSIL)
- rioensis, Calliostoma rioensis W.H. Dall, 1890 - (CALLIOSTOMATIDAE)
- rioensis, Drillia rioensis E.A. Smith, 1915 - syn of: Brachytoma rioensis (E.A. Smith, 1915) - (DRILLIIDAE)
- rioensis, Brachytoma rioensis (E.A. Smith, 1915) - (PSEUDOMELATOMIDAE)
- rioensis, Lioglyphostoma rioensis E.A. Smith, 1915 - syn of: Brachytoma rioensis (E.A. Smith, 1915) - (PSEUDOMELATOMIDAE)
- riogramamense, Cardium riogramamense C.J. Maury, 1930 † - (CARDIIDAE) (FOSSIL)
- riogramamense, Canadoceras riogramamense C.J. Maury, 1930 † - (PACHYDISCIDAE) (FOSSIL)
- riograndense, Cerithium riograndense Stanton, 1947 † - (CERITHIIDAE) (FOSSIL)
- riograndense, Metastoma riograndense H.A. Pilsbry, 1946 - syn of: Holospira riograndensis H.A. Pilsbry, 1946 - (UROCOPTIDAE)
- riograndensis, Cochliopina riograndensis (H.A. Pilsbry & J.H. Ferriss, 1906) - (COCHLIOPIDAE)
- riograndensis, Crassatella riograndensis E.H. Vokes, 1973 - (CRASSATELLIDAE)
- riograndensis, Gastrocopta riograndensis H.A. Pilsbry, 1916 - (GASTROCOPTIDAE)
- riograndensis, Nerinea riograndensis Stanton, 1947 † - (NERINEIDAE) (FOSSIL)
- riograndensis, Ostrea riograndensis Stanton, 1947 † - (OSTREIDAE) (FOSSIL)
- riograndensis, Anodonta riograndensis H.F.A. von Ihering, 1890 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (UNIONIDAE)
- riograndensis, Holospira riograndensis H.A. Pilsbry, 1946 - (UROCOPTIDAE)
- riograndensis, Yoldiella riograndensis (C. Esteves, 1984) - (YOLDIIDAE)
- riogurabonica, Anadara riogurabonica C.J. Maury, 1917 † - (ARCIDAE) (FOSSIL)
- riogurabonis, Drillia riogurabonis C.J. Maury, 1917 † - (DRILLIIDAE) (FOSSIL)
- riogurabonis eurystoma, Drillia riogurabonis eurystoma Gardner, 1937 - (DRILLIIDAE)
- riohondensis, Chondrothyrella ottonis riohondensis C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- riojana, Redonia riojana T.M. Sánchez, 1997 † - (REDONIIDAE) (FOSSIL)
- riojanus, Odontostomus riojanus A. Doering, 1875 - (ODONTOSTOMIDAE)
- rioliense, Cochlostoma roseoli rioliense (A.J. Wagner, 1914) - (COCHLOSTOMATIDAE)
- riomaensis, Acteon riomaensis C.J. Maury, 1917 - syn of: Japonactaeon punctostriata (Adams, 1840) - (ACTEONIDAE)
- riomaonis, Surcula riomaonis C.J. Maury, 1917 † - (CLAVATULIDAE) (FOSSIL)
- riomaturensis, Lirophora riomaturensis (C.J. Maury, 1925) - (VENERIDAE)
- rionegrensis, Hercoglossa rionegrensis Reichler, 1995 † - (HERCOGLOSSIDAE) (FOSSIL)
- rionegrina, Heleobia rionegrina (J.M. Gaillard, 1974) - (COCHLIOPIDAE)
- rionensis, Ammonites rionensis Simonovich, Batsevich & Sorokin, 1875 † - syn of: Martelites rionensis (Simonovich, Batsevich & Sorokin, 1875 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- rionensis, Kutatissites rionensis (Rouchadze, 1933 †) - (ANCYLOCERATIDAE) (FOSSIL)
- rionensis, Martelites rionensis (Simonovich, Batsevich & Sorokin, 1875 †) - (HETEROCERATIDAE) (FOSSIL)
- riopejensis, Gemma beatrix riopejensis I. Richling, 2004 † - (VENERIDAE) (FOSSIL)
- riopirabica, Psammacoma riopirabica C.J. Maury, 1924 † - (TELLINIDAE) (FOSSIL)
- rioplatensis, Anodon rioplatensis G.B. Sowerby, 1870 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (UNIONIDAE)
- riopretensis, Megalobulimus riopretensis L.R.L. Simone & J.L.M. Leme, 1998 - (MEGALOBULIMIDAE)
- riorapelensis, Monilea riorapelensis C. Nielsen & al., 2004 † - (TROCHIDAE) (FOSSIL)
- Riosatella, Subgenus Crassatella (Riosatella) E.H. Vokes, 1973 (CRASSATELLIDAE)
- riosecana, Turbinella riosecana F. Hodson, 1931 † - syn of: Turbinella trinitatis C.J. Maury, 1925 † - (TURBINELLIDAE) (FOSSIL)
- Rioselleolis, syn of: Genus Babakina R.A. Roller, 1973 (FLABELLINIDAE)
- riosi, Ketosia riosi F.N. Dos Santos & R.S. Absalão, 2006 - (BARLEEIIDAE)
- riosi, Conus riosi E.J. Petuch, 1986 - syn of: Dauciconus daucus riosi (E.J. Petuch, 1986) - (CONIDAE)
- riosi, Dauciconus daucus riosi (E.J. Petuch, 1986) - (CONIDAE)
- riosi, Phidiana riosi F.J. García & J.S. Troncoso, 2003 - (FACELINIDAE)
- riosi, Cuthona riosi A. Hermosillo & Á. Valdés, 2008 - (FIONIDAE)
- riosi, Siphonochelus riosi (H.W. Bertsch & D'Attilio, 1980) - (MURICIDAE)
- riosi, Typhis riosi H.W. Bertsch & D'Attilio, 1980 - syn of: Siphonochelus riosi (H.W. Bertsch & D'Attilio, 1980) - (MURICIDAE)
- riosi, Typhina riosi H.W. Bertsch & D'Attilio, 1980 - syn of: Siphonochelus riosi (H.W. Bertsch & D'Attilio, 1980) - (MURICIDAE)
- riosi, Olivella riosi M.A. Klappenbach, 1991 - (OLIVELLIDAE)
- riosi, Copulabyssia riosi J.H. Leal & L.R.L. Simone, 2000 - (PSEUDOCOCCULINIDAE)
- riosi, Sediliopsis riosi D.L. Tippett, 1995 - (PSEUDOMELATOMIDAE)
- riosi, Euterebra riosi (T. Bratcher & W.O. Cernohorsky, 1985) - (TEREBRIDAE)
- riosi, Cooperella riosi M. Huber, 2010 - (VENERIDAE)
- riosi, Adelomelon riosi W.J. Clench & H. Turner, 1964 - (VOLUTIDAE)
- riosuarezi, Colchidites riosuarezi Kakabadze & Hoedemaeker, 2004 † - (ANCYLOCERATIDAE) (FOSSIL)
- rioui, Kalidos rioui E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1994 - (ARIOPHANTIDAE)
- ripacurcica, Amandana ripacurcica (A. Bofill, 1886) - (HYGROMIIDAE)
- ripacurcica montsicciana, Amandana ripacurcica montsicciana (A. Bofill, 1890) - (HYGROMIIDAE)
- ripacurcica oreina, Amandana ripacurcica oreina (P. Fagot, 1888) - (HYGROMIIDAE)
- ripacurcicus, Obscurella ripacurcicus P. Fagot, 1891 - syn of: Cochlostoma martorelli (G. Servain, 1880) - (COCHLOSTOMATIDAE)
- ripacurcicus, Pomatias ripacurcicus A. Bofill, 1915 - (POMATIIDAE)
- ripacurtiae, Moitessieria ripacurtiae A. Tarruella, J. Corbella, G. Guillén, L. Prats & D.M. Alba, 2013 - (MOITESSIERIIDAE)
- ripae, Omphalotropis ripae E. Fischer-Piette, F. Blanc & F. Salvat, 1969 - (ASSIMINEIDAE)
- Ripalania, Genus Ripalania T. Iredale, 1943 (THIARIDAE)
- ripanjensis, Melanopsis haueri ripanjensis T.A. Neubauer, M. Harzhauser & al., 2014 † - (MELANOPSIDAE) (FOSSIL)
- riparbelli, Lucilla riparbelli F.L. Giusti, 1976 - syn of: Lucilla scintilla (R.T. Lowe, 1852) - (HELICODISCIDAE)
- riparbellii, Hebetodiscus riparbellii F.L. Giusti, 1976 - (HELICODISCIDAE)
- riparia, Taiwanassiminea riparia (W.S.S. Van Benthem-Jutting, 1963) - (ASSIMINEIDAE)
- riparia, Gastrocopta riparia H.A. Pilsbry, 1916 - (GASTROCOPTIDAE)
- riparia, Monacha riparia C.A. Westerlund, 1889 - syn of: Eutheba cantiana (G. Montagu, 1803) - (HYGROMIIDAE)
- riparia, Limea riparia P.A. Maxwell, 1992 † - (LIMIDAE) (FOSSIL)
- riparia, Volvarina riparia S. Gofas & F. Fernandes, 1992 - (MARGINELLIDAE)
- riparia, Patella riparia K.A. Möbius, 1876 - syn of: Patella caerulea C. Linnaeus, 1758 - (PATELLIDAE)
- riparia, Planaxis riparia A. Risso, 1826 † - syn of: Tritia cuvierii (B.C.M. Payraudeau, 1826 †) - (PLANAXIDAE) (FOSSIL)
- riparia, Alvania riparia P. Lozouet, 1998 † - (RISSOIDAE) (FOSSIL)
- riparia, Unio riparia C. Pfeiffer, 1821 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- Riparioceras, syn of: Genus Gleviceras Buckman , 1918 (OXYNOTICERATIDAE) (FOSSIL)
- riparium, Carychium riparium L.R. Hubricht, 1978 - (ELLOBIIDAE)
- riparius, Macrochlamys riparius P.M. Heude, 1885 - (ARIOPHANTIDAE)
- riparius, Chicoreus riparius E.H. Vokes, 1967 † - (MURICIDAE) (FOSSIL)
- riparius, Gyraulus riparius (C.A. Westerlund, 1865) - (PLANORBIDAE)
- riparius, Ancylus riparius A.G. Desmarest, 1814 - syn of: Ancylus fluviatilis O.F. Müller, 1774 - (PLANORBIDAE)
- riparius, Obeliscus cuneus riparius (L. Pfeiffer, 1852) - (SUBULINIDAE)
- ripaudi, Ancilla ripaudi (Vasseur, 1881 †) - (ANCILLARIIDAE) (FOSSIL)
- ripaudi, Potamides ripaudi (Vasseur, 1881 †) - (POTAMIDIDAE) (FOSSIL)
- ripaudi dupuisi, Ancilla ripaudi dupuisi A.L. Chavan & M. Fischer, 1939 † - (ANCILLARIIDAE) (FOSSIL)
- ripaudi subripaudi, Ancilla ripaudi subripaudi A.L. Chavan & M. Fischer, 1939 † - (ANCILLARIIDAE) (FOSSIL)
- ripensis, Cyclocardia ripensis A.M. Popov & O.A. Scarlato, 1980 - (CARDITIDAE)
- Ripernites, syn of: Genus Metaperrinites Ruzhencev , 1950 (PERRINITIDAE) (FOSSIL)
- riperti, Potadoma riperti A. Samé-Ekobo & T.K. Kristensen, 1985 - (PACHYCHILIDAE)
- Riphaeites, syn of: Genus Eothinites Ruzhencev , 1933 (METALEGOCERATIDAE) (FOSSIL)
- Riphaeoclymenia, Genus Riphaeoclymenia Bogoslovsky, 1981 (BILOCLYMENIIDAE) (FOSSIL)
- riphaeum, Sinoceras riphaeum P.A. Zhuravleva, 1978 † - (MICHELINOCERATIDAE) (FOSSIL)
- riphaeum, Tibichoanoceras riphaeum (P.A. Zhuravleva, 1978 †) - (ORTHOCERATIDAE) (FOSSIL)
- ripkeni, Chondrina ripkeni (E. Gittenberger, 1973) - (CHONDRINIDAE)
- ripkeni, Pyrostoma mellae ripkeni G. Falkner, 2000 - (CLAUSILIIDAE)
- ripkeni, Aemiliella ripkeni E. Gittenberger, 1969 - (SPELAEODISCIDAE)
- ripkeni, Canarivitrina ripkeni (M.R. Alonso & C.M. Ibáñez, 2000) - (VITRINIDAE)
- ripkeni alexanderi, Aemiliella ripkeni alexanderi P.L. Reischütz, V. Štamol & P. Subai, 2012 - (SPELAEODISCIDAE)
- ripkeni pastorpueri, Aemiliella ripkeni pastorpueri A. Reischütz, N. Reischütz & P.L. Reischütz, 2011 - (SPELAEODISCIDAE)
- Ripkeniella, Genus Ripkeniella R. Hutterer & E. Gittenberger, 1998 (COCHLICELLIDAE)
- ripleanus, Fusimilis ripleanus T.A. Conrad † - syn of: Beretra ripleyana (T.A. Conrad, 1858 †) - (TURRIDAE) (FOSSIL)
- ripleyana, Trigonostoma ripleyana N.F. Sohl, 1964 † - (CANCELLARIIDAE) (FOSSIL)
- ripleyana, Mitridomus ripleyana (B. Wade, 1926 †) - (COSTELLARIIDAE) (FOSSIL)
- ripleyana, Crassatella ripleyana T.A. Conrad, 1858 † - syn of: Crassatella vadosa Morton, 1834 † - (CRASSATELLIDAE) (FOSSIL)
- ripleyana, Gastrochaena ripleyana L.W. Stephenson, 1941 † - (GASTROCHAENIDAE) (FOSSIL)
- ripleyana, Lucina ripleyana B. Wade, 1926 † - (LUCINIDAE) (FOSSIL)
- ripleyana, Mathilda ripleyana B. Wade, 1926 † - (MATHILDIDAE) (FOSSIL)
- ripleyana, Deussenia ripleyana A. Harbison, 1945 † - (MELONGENIDAE) (FOSSIL)
- ripleyana, Lithophaga ripleyana W.M. Gabb, 1862 † - (MYTILIDAE) (FOSSIL)
- ripleyana, Stantonella ripleyana (T.A. Conrad, 1860 †) - (STREPSIDURIDAE) (FOSSIL)
- ripleyana, Beretra ripleyana (T.A. Conrad, 1858 †) - (TURRIDAE) (FOSSIL)
- ripleyanum, Dentalium ripleyanum W.M. Gabb, 1860 † - (DENTALIIDAE) (FOSSIL)
- Ripleyella, Subgenus Ornopsis (Ripleyella) Harbison, 1945 (FASCIOLARIIDAE) (FOSSIL)
- ripleyi, Platypleuroceras ripleyi (C.T. Simpson, 1843 †) - (POLYMORPHITIDAE) (FOSSIL)
- ripochi, Hemicycla ripochi J.F. Mabille, 1882 - syn of: Hemicycla gaudryi (A.V.M.D. D'Orbigny, 1839) - (HELICIDAE)
- ripollica, Riedelia ripollica P. Fagot, 1882 - syn of: Hygromia limbata (J.P.R. Draparnaud, 1805) - (HYGROMIIDAE)
- Ripophos, syn of: Genus Antillophos W.P. Woodring, 1928 (NASSARIIDAE)
- rippensis, Radix rippensis (J. Almera & Bofill y Poch, 1895 †) - (LYMNAEIDAE) (FOSSIL)
- rippingalei, Gemixystus rippingalei (R. Houart, 1998) - (MURICIDAE)
- rippingalei, Spondylus rippingalei K.L. Lamprell & J.M. Healy, 2001 - (SPONDYLIDAE)
- ripularum, Trochulus ripularum M. Lessona, 1897 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- riqueti, Sermyla riqueti (J.P.S. Grateloup, 1840) - (THIARIDAE)
- risbeci, Aeolidiella risbeci (Er. Marcus, 1961) - (AEOLIDIIDAE)
- risbeci, Stylocheilus risbeci H. Engel, 1936 - (APLYSIIDAE)
- risbeci, Rostanga risbeci K. Baba, 1991 - (DISCODORIDIDAE)
- risbeci, Polycera risbeci N.H. Odhner, 1941 - (POLYCERIDAE)
- Risbecia, Genus Risbecia N.H. Odhner, 1934 (CHROMODORIDIDAE)
- rischi, Alvania rischi Gürs & Weinbrecht, 2001 † - (RISSOIDAE) (FOSSIL)
- riscus, Chryseofusus riscus (R. Hadorn & K. Fraussen, 2003) - (FASCIOLARIIDAE)
- Risella, Genus Risella Gray, 1847 (LITTORINIDAE) (FOSSIL)
- Risella, syn of: Genus Bembicium R.A. Philippi, 1846 (LITTORINIDAE)
- Riselloidea, syn of: Genus Risselloidea Cossmann, 1909 (EUCYCLIDAE) (FOSSIL)
- Risellopsis, Genus Risellopsis H.L. Kesteven, 1902 (LITTORINIDAE)
- riseri, Asperspina riseri (M.P. Morse, 1976) - (ASPERSPINIDAE)
- riseri, Hedylopsis riseri M.P. Morse, 1976 - syn of: Asperspina riseri (M.P. Morse, 1976) - (HEDYLOPSIDAE)
- Rishetia, syn of: Genus Glessula E.C. Von Martens, 1860 (SUBULINIDAE)
- rishikeshi, Glessula rishikeshi Budha & Naggs, 2017 - (SUBULINIDAE)
- rishworthi, Antiguraleus rishworthi P. Vella, 1954 † - (MANGELIIDAE) (FOSSIL)
- riskindi, Humboldtiana riskindi W. Fullington & E.G. Zimmermann, 1977 - (HUMBOLDTIANIDAE)
- Risomurex, Subgenus Muricopsis (Risomurex) A.A. Olsson & J.T.L. McGinty, 1958 (MURICIDAE)
- risoneideneryae, Haplocochlias risoneideneryae J.C.N. Barros, F.N. Santos, E. Cabral & F.D. Acioli, 2002 - (SKENEIDAE)
- riss, Eulima riss F.J. Cantraine, 1835 - (EULIMIDAE)
- rissae, Doris rissae J.B. Vérany, 1846 - (DORIDIDAE)
- rissaniense, Subormoceras rissaniense Kröger, 2008 † - (PSEUDORTHOCERATIDAE) (FOSSIL)
- Risselloidea, Genus Risselloidea Cossmann, 1909 (EUCYCLIDAE) (FOSSIL)
- Rissoa, Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- rissoaeformis, Thierachella rissoaeformis (A.E.M. Cossmann, 1885 †) - (RISSOIDAE) (FOSSIL)
- rissoaformis, Rissoella rissoaformis (A.W.B. Powell, 1939) - (RISSOELLIDAE)
- rissoaformis, Jeffreysiella rissoaformis (A.W.B. Powell, 1939) - syn of: Rissoella rissoaformis (A.W.B. Powell, 1939) - (RISSOELLIDAE)
- rissoaformis, Lissotestella rissoaformis (A.W.B. Powell, 1931) - (SEGUENZIOIDEA (UNASSIGNED))
- Rissoalaba, Genus Rissoalaba K. Oyama, 1954 (DIALIDAE) (FOSSIL)
- rissoana, Calliopaea rissoana H. Milne-Edwards, 1842 - (LIMAPONTIIDAE)
- rissoanus, Turbo rissoanus S. Delle Chiaje, 1828 - syn of: Rissoa variabilis (J.K. Megerle Von Mühlfeld, 1824) - (TURBINIDAE)
- Rissocerithium, Genus Rissocerithium Conti & Fischer, 1981 (RISSOIDAE) (FOSSIL)
- rissodominguezi, Berghia rissodominguezi C. Muniain & J.A. Ortea, 1999 - (AEOLIDIIDAE)
- rissoella, Hyalogyrina rissoella A. Warén & P. Bouchet, 2009 - (HYALOGYRINIDAE)
- Rissoella, Genus Rissoella J.E. Gray, 1847 (RISSOELLIDAE)
- RISSOELLIDAE J.E. Gray, 1850 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-HETEROSTROPHA [Infraclass]-RISSOELLOIDEA [Superfamily])
- rissoi, Chiton rissoi B.C.M. Payraudeau, 1826 - syn of: Ischnochiton rissoi Angelo & C. Smriglio, 1999 - (CHITONIDAE)
- rissoi, Helix rissoi C.T. Trechmann, 1938 - syn of: Murella melitensis (A.E.J. Férussac, 1821) - (HELICIDAE)
- rissoi, Ischnochiton rissoi Angelo & C. Smriglio, 1999 - (ISCHNOCHITONIDAE)
- rissoi, Leptochiton rissoi (H.F. Nierstrasz, 1905) - (LEPTOCHITONIDAE)
- rissoi, Leptochiton rissoi K.H.J. Thiele, 1893 - syn of: Leptochiton algesirensis (G. Capellini, 1859) - (LEPTOCHITONIDAE)
- rissoi, Bela nebula rissoi (É.A.A. Locard, 1886) - (MANGELIIDAE)
- rissoi, Tricolia rissoi J.V. Audouin, 1826 - syn of: Melarhaphe neritoides (C. Linnaeus, 1758) - (PHASIANELLIDAE)
- rissoi, Raphitoma rissoi É.A.A. Locard, 1886 - syn of: Mangelia costulata A. Risso, 1826 - (RAPHITOMIDAE)
- rissoi, Rissoina rissoi H.C. Weinkauff, 1885 - syn of: Schwartziella triticea (W.H. Pease, 1861) - (RISSOINIDAE)
- Rissoia, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- rissoiana, Dosinia rissoiana É.A.A. Locard, 1886 - syn of: Dosinia lupina (C. Linnaeus, 1758) - (VENERIDAE)
- rissoianus, Fusinus rissoianus É.A.A. Locard, 1892 - syn of: Fusinus rostratus (A.G. Olivi, 1792) - (FASCIOLARIIDAE)
- rissoianus, Fusinus syracusanus rissoianus É.A.A. Locard, 1892 - (FASCIOLARIIDAE)
- RISSOIDAE Gray, 1847 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-RISSOOIDEA [Superfamily])
- rissoide, Cerithium rissoide G.B. II Sowerby in L.A. Reeve, 1865 - syn of: Cerithium lutosum K.T. Menke, 1828 - (CERITHIIDAE)
- rissoides, Buccinum rissoides J.P.S. Grateloup, 1834 † - syn of: Anachis rissoides (J.P.S. Grateloup, 1834 †) - (BUCCINIDAE) (FOSSIL)
- rissoides, Anachis rissoides (J.P.S. Grateloup, 1834 †) - (COLUMBELLIDAE) (FOSSIL)
- rissoides, Thala rissoides (J.P.S. Grateloup, 1833 †) - (COSTELLARIIDAE) (FOSSIL)
- rissoides, Aurelianella rissoides A.E.M. Cossmann, 1898 † - (DIASTOMATIDAE) (FOSSIL)
- rissoides, Littoraria rissoides G.P. Deshayes, 1861 † - (LITTORINIDAE) (FOSSIL)
- rissoides, Peracle rissoides J.J. Tesch, 1903 - (PERACLIDAE)
- rissoides, Odostomia rissoides S.C.T. Hanley, 1844 - syn of: Brachystomia scalaris (W. Macgillivray, 1843) - (PYRAMIDELLIDAE)
- rissoides, Daphnella rissoides (L.A. Reeve, 1843) - (RAPHITOMIDAE)
- rissoides, Pleurotoma rissoides L.A. Reeve, 1843 - syn of: Daphnella rissoides (L.A. Reeve, 1843) - (TURRIDAE)
- rissoides exilis, Turbonilla rissoides exilis (W. Macgillivray, 1843) - syn of: Brachystomia scalaris (W. Macgillivray, 1843) - (PYRAMIDELLIDAE)
- rissoides exilis, Odostomia rissoides exilis J.G. Jeffreys, 1867 - syn of: Brachystomia scalaris (W. Macgillivray, 1843) - (PYRAMIDELLIDAE)
- rissoides?, Anachis rissoides? (J.P.S. Grateloup, 1834) - (COLUMBELLIDAE)
- rissoideum, Cerithium rissoideum G.B. II Sowerby, 1855 - syn of: Cerithidea scalariformis (T. Say, 1825) - (CERITHIIDAE)
- rissoiformis, Eurathea rissoiformis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- rissoiformis, Odostomia rissoiformis K.O. Milaschewitsch, 1912 - syn of: Brachystomia carrozzai (J.J. Van Aartsen, 1987) - (PYRAMIDELLIDAE)
- rissoina, Anacithara rissoina C. Hedley, 1922 - (HORAICLAVIDAE)
- rissoina, Goniochilus rissoina (Š. Brusina, 1878 †) - (HYDROBIIDAE) (FOSSIL)
- rissoina, Mormula rissoina A. Adams, 1864 - syn of: Mormula philippiana (R.W. Dunker, 1860) - (PYRAMIDELLIDAE)
- Rissoina, Genus Rissoina D'Orbigny, 1840 (RISSOINIDAE)
- rissoinaeforme, Epitonium rissoinaeforme (J.C. Melvill & R. Standen, 1903) - (EPITONIIDAE)
- rissoinaeformis, Epitonium rissoinaeformis M. Yokoyama, 1927 - syn of: Opalia matajiroi (J.T. Kuroda, 1954) - (EPITONIIDAE)
- rissoinaeformis, Opalia rissoinaeformis M. Yokoyama, 1927 - syn of: Opalia matajiroi (J.T. Kuroda, 1954) - (EPITONIIDAE)
- rissoinaeformis, Hemisinus rissoinaeformis A.E.M. Cossmann, 1888 † - (THIARIDAE) (FOSSIL)
- RISSOINIDAE Stimpson, 1865 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-RISSOOIDEA [Superfamily])
- rissoiniformis, Clavus rissoiniformis (E.A. Kay, 1979) - (DRILLIIDAE)
- rissoiniformis, Tylotiella rissoiniformis (E.A. Kay, 1979) - syn of: Clavus rissoiniformis (E.A. Kay, 1979) - (DRILLIIDAE)
- Rissolina, Genus Rissolina A. Gould, 1861 (RISSOINIDAE)
- Rissolittorina, Subgenus Laevilitorina (Rissolittorina) W.F. Ponder, 1966 (LITTORINIDAE)
- Rissomangelia, syn of: Genus Mangelia A. Risso, 1826 (MANGELIIDAE)
- Rissomangilia, syn of: Genus Mangelia A. Risso, 1826 (MANGELIIDAE)
- RISSOOIDEA (UNASSIGNED) - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-RISSOOIDEA [Superfamily]) (FOSSIL)
- Rissopsetia, Genus Rissopsetia R.K. Dell, 1956 (PYRAMIDELLIDAE)
- Rissopsis, Genus Rissopsis A. Garrett, 1873 (IRAVADIIDAE)
- Rissostomia, syn of: Genus Rissoa M. Freminville in A.G. Desmarest, 1814 (RISSOIDAE)
- Rissosyrnola, Genus Rissosyrnola S. Nomura, 1939 (PYRAMIDELLIDAE)
- ristiae, Amphidromus ristiae B. Dharma, 2007 - (CAMAENIDAE)
- ristiae, Diplommatina ristiae Nurinsiyah & Hausdorf, 2017 - (DIPLOMMATINIDAE)
- ristici, Prososthenia ristici P.S. Pavlovic, 1927 † - (HYDROBIIDAE) (FOSSIL)
- ristici, Valvata ristici (P.S. Pavlovic, 1931 †) - (VALVATIDAE) (FOSSIL)
- ritae, Atlanticonus ritae (E.J. Petuch, 1995) - (CONIDAE)
- ritae, Gladioconus ritae E.J. Petuch, 1995 - syn of: Atlanticonus ritae (E.J. Petuch, 1995) - (CONIDAE)
- ritae, Chicomurex ritae R. Houart, 2013 - (MURICIDAE)
- ritae, Inquisitor ritae Stahlschmidt & Fraussen, 2017 - (PSEUDOMELATOMIDAE)
- ritae, Tetrentodon ritae C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- ritana, Tetrentodon ritana C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- ritanida, Crassispira ritanida W.C. Mansfield, 1925 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- ritchieana, Isomeria kolbergi ritchieana H.A. Pilsbry, 1889 - (CAMAENIDAE)
- ritchiei, Cerion ritchiei (C.J. Maynard, 1894) - (CERIONIDAE)
- ritchiei, Leptinaria ritchiei H.A. Pilsbry, 1907 - (SUBULINIDAE)
- ritchiei gigantea, Cerion ritchiei gigantea (C.J. Maynard, 1894) - (CERIONIDAE)
- ritchiei grayi, Cerion ritchiei grayi (C.J. Maynard, 1894) - (CERIONIDAE)
- ritchiei vannostrandi, Cerion ritchiei vannostrandi H.A. Pilsbry & E.G. Vanatta, 1896 - (CERIONIDAE)
- Ritena, Subgenus Nerita (Ritena) J.E. Gray, 1858 (NERITIDAE)
- ritmica, Millereolidia ritmica J.A. Ortea, G.M. Caballer & J. Espinosa, 2003 - syn of: Berghia creutzbergi (Er. Marcus & Ev. Marcus, 1970) - (AEOLIDIIDAE)
- ritmica, Milleria ritmica J.A. Ortea, G.M. Caballer & J. Espinosa, 2003 - syn of: Berghia creutzbergi (Er. Marcus & Ev. Marcus, 1970) - (AEOLIDIIDAE)
- ritteri, Anachis ritteri (L.G. Hertlein & A.M. Strong, 1951) - (COLUMBELLIDAE)
- ritteri, Ischnochiton ritteri W.H. Dall, 1919 - syn of: Tripoplax regularis (P.P. Carpenter, 1855) - (ISCHNOCHITONIDAE)
- ritteri, Neilonella ritteri (W.H. Dall, 1916) - (NEILONELLIDAE)
- ritteri, Delphinites ritteri G. Sayn, 1901 † - (NEOCOMITIDAE) (FOSSIL)
- ritteri, Odostomia ritteri W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- ritteri, Monoplex ritteri Schmelz, 1989 † - (RANELLIDAE) (FOSSIL)
- ritteri, Tethys ritteri T.D.A. Cockerell, 1901 - (TETHYDIDAE)
- ritteri, Tindaria ritteri W.H. Dall, 1916 - syn of: Neilonella ritteri (W.H. Dall, 1916) - (TINDARIIDAE)
- ritteri, Dolichupis ritteri (W.J. Raymond, 1903) - (TRIVIIDAE)
- ritteri, Trivia ritteri W.J. Raymond, 1903 - syn of: Dolichupis ritteri (W.J. Raymond, 1903) - (TRIVIIDAE)
- rittmanni, Omaimaiceras rittmanni Mahmoud, 1955 † - (KNEMICERATIDAE) (FOSSIL)
- rittneri, Palisadia rittneri Mienis, 2017 - (EULIMIDAE)
- rituola, Phosinella rituola W.P. Woodring, 1928 - syn of: Rissoina sagraiana A.V.M.D. D'Orbigny, 1842 - (RISSOINIDAE)
- ritzkowskii, Latirulus ritzkowskii (R. Janssen, 1979 †) - (FASCIOLARIIDAE) (FOSSIL)
- Riuguhdrillia, Genus Riuguhdrillia K. Oyama, 1951 (BORSONIIDAE)
- riukiuanus, Fusolatirus paetelianus riukiuanus F.S. MacNeil, 1960 † - (FASCIOLARIIDAE) (FOSSIL)
- riusi, Peirescites riusi J.J. Bert, Delanoy & Bersac, 2006 † - (HEMIHOPLITIDAE) (FOSSIL)
- riva, Fluviopupa riva S. Zielske & M. Haase, 2014 - (HYDROBIIDAE)
- rivale, Geisonoceras rivale (Barrande †) - (GEISONOCERATIDAE) (FOSSIL)
- rivale, Sphaerium rivale A. Moquin-Tandon, 1855 - syn of: Sphaerium cornea (C. Linnaeus, 1767) - (SPHAERIIDAE)
- rivalis, Corbicula rivalis (R.A. Philippi, 1851) - (CYRENIDAE)
- rivalis, Tanysiphon rivalis W.H. Benson, 1858 - (MACTRIDAE)
- rivalis, Murex rivalis T.A. de M. Monterosato, 1923 - syn of: Hexaplex trunculus (C. Linnaeus, 1758) - (MURICIDAE)
- rivalis, Costatella rivalis T. Brown, 1827 - syn of: Physella acuta (J.P.R. Draparnaud, 1805) - (PHYSIDAE)
- rivana, Modicella rivana R. Schröder, 1913 - syn of: Chondrina lusitanica (L. Pfeiffer, 1848) - (CHONDRINIDAE)
- rivasii, Naesiotus rivasii (A.V.M.D. D'Orbigny, 1837) - (BULIMULIDAE)
- rivellensis, Helix rivellensis W. Kobelt, 1904 - syn of: Ambigua fuscolabiata lauriensis (W. Kobelt, 1905) - (HELICIDAE)
- riverae, Olivella riverae A.A. Olsson, 1956 - (OLIVELLIDAE)
- riverae, Turritella riverae DeVries, 2007 † - (TURRITELLIDAE) (FOSSIL)
- riveroni, Torrecoptis riveroni C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- riverorum, Sabaudiella riverorum Aguirre-Urreta & Rawson, 2012 † - (LEPTOCERATOIDIDAE) (FOSSIL)
- rivertonensis, Conilithes rivertonensis (Finlay, 1926 †) - (CONIDAE) (FOSSIL)
- rivertonensis, Eatoniella rivertonensis (Finlay, 1924 †) - (EATONIELLIDAE) (FOSSIL)
- rivesi, Dentimargo rivesi J. Espinosa & J.A. Ortea, 2013 - (MARGINELLIDAE)
- riveti, Zoniferella riveti J. Germain, 1907 - (SUBULINIDAE)
- riveti bizonalis, Zoniferella riveti bizonalis J. Germain, 1907 - (SUBULINIDAE)
- rivicola, Lignopholas rivicola (G.B. II Sowerby, 1849) - (PHOLADIDAE)
- rivicola, Pholas rivicola G.B. II Sowerby, 1849 - syn of: Lignopholas rivicola (G.B. II Sowerby, 1849) - (PHOLADIDAE)
- Rivicola, syn of: Genus Physa J.P.R. Draparnaud, 1801 (PHYSIDAE)
- rivicola, Sphaerium rivicola W.E. Leach in J.B.P.A. Lamarck, 1815 - (SPHAERIIDAE)
- rivicola sabulicola, Cyclas rivicola sabulicola I. Krynicki, 1837 - syn of: Sphaerium rivicola W.E. Leach in J.B.P.A. Lamarck, 1815 - (SPHAERIIDAE)
- Rivicoliana, syn of: Genus Sphaerium J.A. Scopoli, 1777 (SPHAERIIDAE)
- rivierae, Lehmaniceras rivierae M. Collignon 1983 † - (AMMONOIDEA (unassigned)) (FOSSIL)
- rivierae, Texasia rivierae M. Collignon, 1983 † - (COLLIGNONICERATIDAE) (FOSSIL)
- rivierana, Pupilla rivierana W.H. Benson, 1854 - syn of: Truncatellina callicratis (A. Scacchi, 1833) - (PUPILLIDAE)
- rivierana, Truncatellina rivierana W.H. Benson, 1854 - syn of: Truncatellina callicratis (A. Scacchi, 1833) - (VERTIGINIDAE)
- rivierense, Osperleioceras rivierense (Monestier, 1921 †) - (HILDOCERATIDAE) (FOSSIL)
- rivifontis, Exiligada rivifontis F. Criscione, A. Law & F. Köhler, 2012 - (CAMAENIDAE)
- rivina, Corbicula rivina S. Clessin - syn of: Corbiculina australis (G.P. Deshayes, 1830) - (CYRENIDAE)
- rivoliana, Harpa rivoliana R.P. Lesson - syn of: Harpa crenata W.J. Swainson, 1822 - (HARPIDAE)
- rivolii, Corilla rivolii (G.P. Deshayes) - (CORILLIDAE)
- rivolii, Acostaea rivolii (G.P. Deshayes, 1827) - (ETHERIIDAE)
- rivolii, Mulleria rivolii G.P. Deshayes, 1827 - syn of: Acostaea rivolii (G.P. Deshayes, 1827) - (ETHERIIDAE)
- Rivomarginella, Genus Rivomarginella R.A.M. Brandt, 1968 (MARGINELLIDAE)
- rivulare, Pomatias rivulare (K.E.I. von Eichwald, 1829) - (POMATIIDAE)
- rivulare, Pisidium rivulare S. Clessin, 1879 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- Rivularia, Genus Rivularia P.M. Heude, 1890 (VIVIPARIDAE)
- rivularis, Crassostrea rivularis (A.A. Gould, 1861) - (OSTREIDAE)
- rivularis, Sinonovacula rivularis Y.F. Huang & S.P. Zhang, 2007 - (PHARIDAE)
- rivularis, Ferrissia rivularis (T. Say, 1817) - (PLANORBIDAE)
- rivularis, Bulinus truncatus rivularis (R.A. Philippi, 1836) - (PLANORBIDAE)
- rivularis, Solenaia rivularis (P.M. Heude, 1877) - (UNIONIDAE)
- rivularis, Unio rivularis A. Moquin-Tandon, 1855 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- rivularis, Anodon rivularis P.M. Heude, 1877 - syn of: Anemina arcaeformis (P.M. Heude, 1877) - (UNIONIDAE)
- rivularis, Circe rivularis (I. von Born, 1778) - (VENERIDAE)
- rivularius, Conus rivularius L.A. Reeve, 1849 - syn of: Nitidoconus boeticus (L.A. Reeve, 1844) - (CONIDAE)
- rivulensis, Latirulus rivulensis P. Lozouet, 2015 - (FASCIOLARIIDAE)
- Rivulina, syn of: Genus Paludomus W.J. Swainson, 1840 (PALUDOMIDAE)
- Rivulina, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- rivurbana, Turritella rivurbana Cooke, 1926 † - (TURRITELLIDAE) (FOSSIL)
- riwo, Flabellina riwo T.M. Gosliner & R.C. Willan, 1991 - (FLABELLINIDAE)
- riwoqeensis, Antijanira riwoqeensis Zhang, 1985 † - (ANTIJANIRIDAE) (FOSSIL)
- Rixa, Subgenus Puncturella (Rixa) T. Iredale, 1924 (FISSURELLIDAE)
- rixfordi, Immersidens rixfordi G.D. Hanna, 1923 - (GASTROCOPTIDAE)
- rixfordi, Sonorelix rixfordi (H.A. Pilsbry, 1919) - (HELMINTHOGLYPTIDAE)
- rixtae, Turbonilla rixtae D. De Jong & H.E. Coomans, 1988 - (PYRAMIDELLIDAE)
- rizali, Turriconus rizali (B.M. Olivera & J.S. Biggs, 2010) - (CONIDAE)
- Rizoceras, Genus Rizoceras Hyatt, 1884 (ONCOCERATIDAE) (FOSSIL)
- Rizosceras, syn of: Genus Rizoceras Hyatt, 1884 (ONCOCERATIDAE) (FOSSIL)
- rizzae, Doris rizzae J.B. Vérany, 1846 - (DORIDIDAE)
- rizzae, Monacha rizzae (A. Aradas, 1843) - (HYGROMIIDAE)
- rizzae, Tectonatica rizzae (R.A. Philippi, 1844) - (NATICIDAE)
- rizzeana, Cecilioides rizzeana (L. Benoit, 1862) - (FERUSSACIIDAE)
- Rizzolia, syn of: Genus Cratena L.S.R. Bergh, 1864 (FACELINIDAE)
- rjabininae, Cyclocardia rjabininae (O.A. Scarlato, 1955) - (CARDITIDAE)
- rjasanensis, Okaites rjasanensis Teisseyre, 1883 † - (PERISPHINCTIDAE) (FOSSIL)
- rnanitobense, Westonoceras rnanitobense (J.J.F. Whiteaves, 1890 †) - (WESTONOCERATIDAE) (FOSSIL)
- roadense, Gastrioceras roadense Böse, 1919 † - syn of: Roadoceras roadense (Böse, 1919 †) - (GASTRIOCERATIDAE) (FOSSIL)
- roadense, Roadoceras roadense (Böse, 1919 †) - (PARAGASTRIOCERATIDAE) (FOSSIL)
- roadnightae, Livonia roadnightae (F. McCoy, 1881) - (VOLUTIDAE)
- Roadoceras, Genus Roadoceras Zhou , 1985 (PARAGASTRIOCERATIDAE) (FOSSIL)
- roamoralesi, Cyphoma roamoralesi O. Macsotay & B. Campos, 2001 - syn of: Cyphoma christahemmenae (D. Fehse, 1997) - (OVULIDAE)
- roanense, Lithasia curta roanense I. Lea, 1864 - (PLEUROCERIDAE)
- roanensis, Discoscaphites roanensis L.W. Stephenson, 1941 † - syn of: Discoscaphites conradi (Morton, 1834 †) - (SCAPHITIDAE) (FOSSIL)
- roanokensis, Elliptio roanokensis I. Lea, 1838 - (UNIONIDAE)
- roanokoides, Unio roanokoides I. Lea, 1868 - syn of: Elliptio roanokensis I. Lea, 1838 - (UNIONIDAE)
- roatanensis, Conasprella roatanensis (E.J. Petuch & D.M. Sargent, 2011) - (CONIDAE)
- roatanensis, Jaspidiconus roatanensis (E.J. Petuch & D.M. Sargent, 2011) - syn of: Conasprella roatanensis (E.J. Petuch & D.M. Sargent, 2011) - (CONIDAE)
- roatanensis, Choanopoma andrewsi roatanensis H.G. Richards, 1938 - (POMATIIDAE)
- robagliana, Retusa robagliana (P. Fischer, 1869) - (RETUSIDAE)
- robai, Nuculana robai (J.T. Kuroda, 1929) - (NUCULANIDAE)
- robai, Robaia robai J.T. Kuroda, 1929 - syn of: Nuculana robai (J.T. Kuroda, 1929) - (NUCULANIDAE)
- robai, Leda robai J.T. Kuroda, 1929 - syn of: Nuculana robai (J.T. Kuroda, 1929) - (NUCULANIDAE)
- robai, Nucula robai J.T. Kuroda, 1929 - syn of: Nuculana robai (J.T. Kuroda, 1929) - (NUCULIDAE)
- Robaia, Genus Robaia T. Habe, 1958 (NUCULANIDAE)
- robbai, Synthopsis robbai A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- robbiae, Mansfieldella robbiae B.M. Landau, 1996 † - (OLIVELLIDAE) (FOSSIL)
- robbinsi, Eunema robbinsi J.W. Hall, 1861 † - syn of: Globonema niota (J.W. Hall, 1861 †) - (LOPHOSPIRIDAE) (FOSSIL)
- robbinsi, Globonema robbinsi Ulrich & Scofield, 1897 † - syn of: Globonema niota (J.W. Hall, 1861 †) - (TROCHONEMATIDAE) (FOSSIL)
- robensis, Philobrya robensis (B.C. Cotton, 1931) - (PHILOBRYIDAE)
- Robertella, Genus Robertella Cossmann, 1903 (RADIOLITIDAE) (FOSSIL)
- roberti, Stalioa roberti Morgan, 1920 † - (AMNICOLIDAE) (FOSSIL)
- roberti, Metula roberti A.A. Olsson, 1967 † - (BUCCINIDAE) (FOSSIL)
- roberti, Anachis roberti D. Monsecour & D. Monsecour, 2006 - (COLUMBELLIDAE)
- roberti, Conasprella roberti (G. Richard, 2009) - (CONIDAE)
- roberti, Dalliconus roberti G. Richard, 2009 - syn of: Conasprella roberti (G. Richard, 2009) - (CONIDAE)
- roberti, Gyroscala roberti (W.H. Dall, 1917) - (EPITONIIDAE)
- roberti, Epitonium roberti W.H. Dall, 1917 - syn of: Gyroscala roberti (W.H. Dall, 1917) - (EPITONIIDAE)
- roberti, Haliotis dalli roberti J.H. McLean, 1970 - (HALIOTIDAE)
- roberti, Avenionia roberti H.D. Boeters, 1967 - (HYDROBIIDAE)
- roberti, Volvarina roberti A.R.J.B. Bavay, 1917 - (MARGINELLIDAE)
- roberti, Chicoreus roberti L. Bozzetti, 2015 - (MURICIDAE)
- roberti, Bouryia roberti J.M. Pacaud, 2011 † - (POMATIOPSIDAE) (FOSSIL)
- roberti, Hemiprionites roberti Jenks & al., 2010 † - (PRIONITIDAE) (FOSSIL)
- roberti, Isognomon roberti H.J. Koch, 1953 - syn of: Isognomon perna (C. Linnaeus, 1767) - (PTERIIDAE)
- roberti, Gongylostoma peccatrix roberti C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- robertianae, Eolis robertianae W.C. MacIntosh, 1865 - syn of: Eubranchus farrani (J. Alder & A. Hancock, 1844) - (AEOLIDIIDAE)
- robertianae, Eubranchus robertianae S.A. McIntosh, 1865 - syn of: Eubranchus tricolor E. Forbes, 1838 - (EUBRANCHIDAE)
- robertianum, Tolvericeras robertianum Énay, Gallois & Etches, 2014 † - (PERISPHINCTIDAE) (FOSSIL)
- robertianum, Pseudhelicoceras robertianum (A.V.M.D. D'Orbigny, 1842 †) - (TURRILITIDAE) (FOSSIL)
- Robertotrivia, syn of: Genus Trivellona T. Iredale, 1931 (TRIVIIDAE)
- robertsi, Aplysia robertsi (H.A. Pilsbry, 1895) - (APLYSIIDAE)
- robertsi, Ningbingia robertsi Cook, 1998 † - syn of: Westraliadiscus robertsi (Cook, 1998 †) - (CAMAENIDAE) (FOSSIL)
- robertsi, Conus robertsi Olsson & Harbison, 1953 † - (CONIDAE) (FOSSIL)
- robertsi, Pseudozonaria robertsi (Hildago, 1906) - (CYPRAEIDAE)
- robertsi, Cypraea robertsi J.G. Hidalgo, 1906 - syn of: Pseudozonaria robertsi (Hildago, 1906) - (CYPRAEIDAE)
- robertsi, Liospira robertsi Reed, 1906 † - (EOTOMARIIDAE) (FOSSIL)
- robertsi, Constrigymnites robertsi Bucher, 1992 † - (GYMNITIDAE) (FOSSIL)
- robertsi, Divaricella robertsi H.G. Richards, 1953 † - (LUCINIDAE) (FOSSIL)
- robertsi, Thaumastus robertsi H.A. Pilsbry, 1944 - (MEGASPIRIDAE)
- robertsi, Iphitus robertsi B. Sabelli & M. Taviani, 1997 - (NYSTIELLIDAE)
- robertsi, Polyptychites robertsi Alsen, 2006 † - (POLYPTYCHITIDAE) (FOSSIL)
- robertsi, Hesperiella robertsi E.K. Yoo, 1988 † - (PORCELLIIDAE) (FOSSIL)
- robertsi, Leptopeas robertsi (H.A. Pilsbry, 1907) - (SUBULINIDAE)
- robertsi, Trochus robertsi H.A. Pilsbry, 1889 - (TROCHIDAE)
- robertsi, Westraliadiscus robertsi (Cook, 1998 †) - (TROPIDODISCIDAE) (FOSSIL)
- robertsi, Geoscala robertsi (C.B. Adams, 1851) - (UROCOPTIDAE)
- robertsi satipoensis, Thaumastus robertsi satipoensis H.A. Pilsbry, 1944 - (MEGASPIRIDAE)
- Robertsiella, Genus Robertsiella G.M. Davis & G.J. Greer, 1980 (POMATIOPSIDAE)
- robertsii, Astartila robertsii Johnston, 1887 † - syn of: Astartila intrepida J.B.M. Dana, 1847 † - (MEGADESMIDAE) (FOSSIL)
- robertsii, Cyrtoceras robertsii Whidborne † - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- robertsii, Orthoceras robertsii Whidborne † - (ORTHOCERATIDAE) (FOSSIL)
- robertsii, Sanguinolaria robertsii G.W. Tryon, 1870 - syn of: Hiatula ambigua (L.A. Reeve, 1857) - (PSAMMOBIIDAE)
- robertsii, Actinopteria robertsii Whidborne † - (PTERINEIDAE) (FOSSIL)
- robertsoni, Elachisina robertsoni E.A. Kay, 1979 - (ELACHISINIDAE)
- robertsoni, Inoceramus robertsoni Walaszczyk & Cobban, 2006 † - (INOCERAMIDAE) (FOSSIL)
- robertsoni, Xenoceltites robertsoni McLearn, 1945 † - syn of: Kashmirites warreni McLearn, 1945 † - (KASHMIRITIDAE) (FOSSIL)
- robertsoni, Favartia robertsoni D'Attilio & B.W. Myers, 1986 - syn of: Favartia brevicula (Sowerby, 1834) - (MURICIDAE)
- robertsoni, Quasisimnia robertsoni (C.N. Cate, 1973) - (OVULIDAE)
- robertsoni, Plectoceras robertsoni (J.W. Hall †) - (PLECTOCERATIDAE) (FOSSIL)
- robertsoni, Oncomelania hupensis robertsoni (G.M. Davis, 1999) - (POMATIOPSIDAE)
- robertsoni, Folinella robertsoni (C.O. Van Regteren Altena, 1975) - (PYRAMIDELLIDAE)
- robertsoni, Chrysallida robertsoni (C.O. Van Regteren Altena, 1975) - syn of: Folinella robertsoni (C.O. Van Regteren Altena, 1975) - (PYRAMIDELLIDAE)
- robertsoni, Rissoella confusa robertsoni W.F. Ponder & E.K. Yoo, 1977 - (RISSOELLIDAE)
- robertsoni, Cingula robertsoni Roe, 1958 - (RISSOIDAE)
- robertsoni, Macromphalina robertsoni E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
- robertsoni, Bellamya robertsoni (G.R. von Frauenfeld, 1865) - (VIVIPARIDAE)
- robesonense, Sinistrofulgur robesonense (Gardner, 1948 †) - (BUSYCONIDAE) (FOSSIL)
- robiacensis, Filholia robiacensis (Roman, 1904) † - (FILHOLIIDAE) (FOSSIL)
- robici, Sadleriana robici (S. Clessin, 1890) - (HYDROBIIDAE)
- robici, Tandonia robici H.R. Simroth, 1910 - (MILACIDAE)
- Robicia, Genus Robicia Brusina, 1897 (HYDROBIIDAE) (FOSSIL)
- robiciana, Bythinella robiciana (S. Clessin, 1890) - (BYTHINELLIDAE)
- robiciana, Paladilhiopsis robiciana (S. Clessin, 1882) - (MOITESSIERIIDAE)
- robiciana illustris, Paladilhiopsis robiciana illustris (H. Schütt, 1970) - (MOITESSIERIIDAE)
- robiciana kostanjevicae, Paladilhiopsis robiciana kostanjevicae (H. Schütt, 1970) - (MOITESSIERIIDAE)
- robiciana trebnikanum, Paladilhiopsis robiciana trebnikanum (R. Slapnik, 1995) - (MOITESSIERIIDAE)
- robiginosa, Cardiomya robiginosa T.A. Okutani & K. Sakurai, 1964 - syn of: Cardiomya behringensis (W. Leche, 1883) - (CUSPIDARIIDAE)
- robiginosus, Pseudotoites robiginosus (Crick, 1894 †) - (OTOITIDAE) (FOSSIL)
- robillardi, Ampelita robillardi (G.F. Angas, 1876) - (ACAVIDAE)
- robillardi, Vescona robillardi G.F. Angas, 1876 - syn of: Ampelita robillardi (G.F. Angas, 1876) - (ACAVIDAE)
- robillardi, Ctenocardia robillardi (G.B. III Sowerby, 1894) - (CARDIIDAE)
- robillardi, Clathurella robillardi H. Adams, 1869 - syn of: Tritonoturris robillardi (H. Adams, 1869) - (CLATHURELLIDAE)
- robillardi, Columbella robillardi G.B. III Sowerby, 1894 - syn of: Mitrella floccata hanleyi (G.P. Deshayes, 1863) - (COLUMBELLIDAE)
- robillardi, Conus robillardi A.C. Bernardi, 1858 - syn of: Rhizoconus vexillum (J.F. Gmelin, 1791) - (CONIDAE)
- robillardi, Epitonium robillardi (G.B. III Sowerby, 1894) - (EPITONIIDAE)
- robillardi, Nodolatirus robillardi (C.M. Tapparone-Canefri, 1879) - (FASCIOLARIIDAE)
- robillardi, Benimakia robillardi (C.M. Tapparone-Canefri, 1879) - syn of: Nodolatirus robillardi (C.M. Tapparone-Canefri, 1879) - (FASCIOLARIIDAE)
- robillardi, Coralliophila robillardi (E. Liénard, 1870) - (MURICIDAE)
- robillardi, Tectonatica robillardi (G.B. III Sowerby, 1894) - (NATICIDAE)
- robillardi, Tritonoturris robillardi (H. Adams, 1869) - (RAPHITOMIDAE)
- robillardi, Circe robillardi A. Römer, 1869 - syn of: Circe scripta (C. Linnaeus, 1758) - (VENERIDAE)
- Robillardia, Genus Robillardia E.A. Smith, 1889 (EULIMIDAE)
- robillardiana, Melanella robillardiana H.A. Pilsbry, 1917 - syn of: Melanella dufresnii T.E. Bowdich, 1832 - (EULIMIDAE)
- robilliardi, Dendronotus robilliardi Korshunova, Sanamyan, Zimina, Fletcher & Martynov, 2016 - (DENDRONOTIDAE)
- robinaldina, Grandigonia robinaldina (A.V.M.D. D'Orbigny, 1844 †) - (IOTRIGONIIDAE) (FOSSIL)
- robinaldina, Mimachlamys robinaldina (A.V.M.D. D'Orbigny, 1847 †) - (PECTINIDAE) (FOSSIL)
- robinaldina, Pinna robinaldina (A.V.M.D. D'Orbigny, 1844 †) - (PINNIDAE) (FOSSIL)
- robini, Pionoconus robini L. Limpalaër & E. Monnier, 2012 - (CONIDAE)
- robini, Lima robini C.A. Fleming, 1950 † - (LIMIDAE) (FOSSIL)
- robini, Rissoina robini Paulmier, 2017 - (RISSOINIDAE)
- robini, Peronaea robini (Finlay, 1924 †) - (TELLINIDAE) (FOSSIL)
- robiniana, Helicella robiniana J.R. Bourguignat - syn of: Helicella bolenensis É.A.A. Locard, 1882 - (HYGROMIIDAE)
- robinsonae, Gibberula robinsonae J.A. Ortea, 2015 - (CYSTISCIDAE)
- robinsoncrusoei, Ceraesignum robinsoncrusoei R.E. Golding, R. Bieler, T.A. Rawlings & T.M. Collins, 2014 - (VERMETIDAE)
- robinsoni, Acteonella robinsoni N.F. Sohl & H.A. Kollmann, 1985 † - (ACTEONELLIDAE) (FOSSIL)
- robinsoni, Arctoceras robinsoni Kiparisova, 1947 † - (ARCTOCERATIDAE) (FOSSIL)
- robinsoni, Baculites compressus robinsoni Cobban, 1962 † - (BACULITIDAE) (FOSSIL)
- robinsoni, Zelandiella robinsoni (C.A. von Zittel, 1865 †) - (BUCCINIDAE) (FOSSIL)
- robinsoni, Eotomaria robinsoni Roy, 1941 † - (EOTOMARIIDAE) (FOSSIL)
- robinsoni, Gymnites robinsoni Shevyrev, 1995 † - (GYMNITIDAE) (FOSSIL)
- robinsoni, Helicotoma robinsoni Rohr, 1988 † - (HELICOTOMIDAE) (FOSSIL)
- robinsoni, Xenoceltites robinsoni McLearn, 1945 † - syn of: Kashmirites warreni McLearn, 1945 † - (KASHMIRITIDAE) (FOSSIL)
- robinsoni, Distorsio clathrata robinsoni E.J. Petuch, 1987 - (PERSONIDAE)
- robinsoni, Otopleura robinsoni N.H. Ludbrook, 1978 † - (PYRAMIDELLIDAE) (FOSSIL)
- robinsoni, Cymbiola imperialis robinsoni (R.L. Burch, 1954) - (VOLUTIDAE)
- Robinsonia, syn of: Genus Larina A. Adams, 1854 (PALUDOMIDAE)
- Robinsonites, Genus Robinsonites Shevyrev , 1995 (BALATONITIDAE) (FOSSIL)
- robledales, Taringa robledales J.A. Ortea, L. Moro & J. Espinosa, 2015 - (DISCODORIDIDAE)
- roblensis, Eutudora transitoria roblensis C.G. Aguayo & M.L. Jaume, 1954 - (POMATIIDAE)
- roblesi, Deroceras roblesi V. Borredà, 2003 - (AGRIOLIMACIDAE)
- roblesi, Amandana roblesi (A. Martínez-Ortí, 2000) - (HYGROMIIDAE)
- Roblinella, Genus Roblinella T. Iredale, 1937 (CHAROPIDAE)
- roblini, Siphonalia roblini J.E. Tenison-Woods, 1876 † - (BUCCINIDAE) (FOSSIL)
- roblini, Roblinella roblini W.F. Petterd, 1879 - syn of: Roblinella gadensis (W.F. Petterd, 1879) - (CHAROPIDAE)
- roblini, Columbella roblini J.E. Tenison-Woods, 1876 - syn of: Mitrella pulla (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- roblinica, Anodonta roblinica É.A.A. Locard, 1890 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- robmoolenbeeki, Profundiconus robmoolenbeeki M.J. Tenorio, 2016 - (CONIDAE)
- Roboastra, Genus Roboastra L.S.R. Bergh, 1877 (POLYCERIDAE)
- roboi, Goniobranchus roboi (T.M. Gosliner & D.W. Behrens, 1998) - (CHROMODORIDIDAE)
- roborata, Corbicula roborata G.P. Deshayes, 1857 † - (CYRENIDAE) (FOSSIL)
- roborata, Venus roborata S.C.T. Hanley, 1845 - syn of: Placamen placidum (R.A. Philippi, 1844) - (VENERIDAE)
- roboreus, Teralatirus roboreus (L.A. Reeve, 1845) - (FASCIOLARIIDAE)
- robresia, Moitessieria robresia H.D. Boeters, 2003 - (MOITESSIERIIDAE)
- robroystonensis, Palaeozygopleura robroystonensis (Longst, 1933 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- Robsonella, Genus Robsonella W. Adam, 1938 (OCTOPODIDAE)
- robsonense, Robsonoceras robsonense (Walcott, 1924 †) - (ELLESMEROCERATIDAE) (FOSSIL)
- robsoni, Macrochlamys robsoni B. Rensch, 1932 - (ARIOPHANTIDAE)
- robsoni, Armenoceras robsoni (J.J.F. Whiteaves, 1898 †) - (ARMENOCERATIDAE) (FOSSIL)
- robsoni, Abralia robsoni G.J. Von Grimpe, 1931 - (ENOPLOTEUTHIDAE)
- robsoni, Uroteuthis robsoni (D.O. Alexeyev, 1992) - (LOLIGINIDAE)
- robsoni, Photololigo robsoni (D.O. Alexeyev, 1992) - syn of: Uroteuthis robsoni (D.O. Alexeyev, 1992) - (LOLIGINIDAE)
- robsoni, Notaeolidia robsoni N.H. Odhner, 1934 - syn of: Notaeolidia depressa C.N.E. Eliot, 1905 - (NOTAEOLIDIIDAE)
- robsoni, Nuculana robsoni B. Prashad, 1932 - (NUCULANIDAE)
- robsoni, Amphioctopus robsoni (W. Adam, 1941) - (OCTOPODIDAE)
- robsoni, Onykia robsoni (W. Adam, 1962) - (ONYCHOTEUTHIDAE)
- robsoni, Opisthoteuthis robsoni B.J. O'Shea, 1999 - (OPISTHOTEUTHIDAE)
- robsoni, Sepia robsoni (A.L. Massy, 1927) - (SEPIIDAE)
- robsoni, Lyrodus robsoni G.F. Roch, 1931 - syn of: Lyrodus pedicellatus (J.L.A. Quatrefages, 1849) - (TEREDINIDAE)
- robsoni, Tremoctopus robsoni T.W. Kirk, 1884 - (TREMOCTOPODIDAE)
- robsoni, Parreysia robsoni L.S. Frierson, 1927 - syn of: Parreysia favidens (W.H. Benson, 1862) - (UNIONIDAE)
- Robsonoceras, Genus Robsonoceras Ulrich & Foerste, 1933 (ELLESMEROCERATIDAE) (FOSSIL)
- roburina, Eurytellina roburina W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- Roburnella, Genus Roburnella E.G.G. Marcus, 1982 (OXYNOIDAE)
- Robus, syn of: Genus Gibbula Risso, 1826 (TROCHIDAE) (FOSSIL)
- robusta, Erhaia robusta (Z. Kang, 1986) - (AMNICOLIDAE)
- robusta, Pomacea robusta R.A. Philippi, 1852 - syn of: Pomacea columellaris (A.A. Gould, 1848) - (AMPULLARIIDAE)
- robusta, Baryspira robusta J. Marwick, 1924 † - (ANCILLARIIDAE) (FOSSIL)
- robusta, Heterodoris robusta A.E. Verrill & J.H. Emerton, 1882 - (ARMINIDAE)
- robusta, Omphalotropis robusta J.C.H. Crosse in W.H. Pease, 1869 - (ASSIMINEIDAE)
- robusta, Bohaispiropsis robusta Youlou, 1978 † - (BOHAISPIRIDAE) (FOSSIL)
- robusta, Maoritomella robusta Powell, 1942 † - (BORSONIIDAE) (FOSSIL)
- robusta, Acusta tourannensis robusta (O.F. von Möllendorff, 1884) - (BRADYBAENIDAE)
- robusta, Bransonia robusta (E.M. Fletcher, 1943 †) - (BRANSONIIDAE) (FOSSIL)
- robusta, Bucania robusta J.J.F. Whiteaves, 1904 † - (BUCANIIDAE) (FOSSIL)
- robusta, Neptunea robusta T.A. Okutani, 1964 - (BUCCINIDAE)
- robusta, Mohnia robusta W.H. Dall, 1913 - (BUCCINIDAE)
- robusta, Tutufa robusta T. Cossignani, 2009 - syn of: Tutufa bufo robusta T. Cossignani, 2009 - (BURSIDAE)
- robusta, Tutufa bufo robusta T. Cossignani, 2009 - (BURSIDAE)
- robusta, Cavolinia labiata robusta J. Rampal, 2002 † - (CAVOLINIIDAE) (FOSSIL)
- robusta, Diacavolinia strangulata robusta S. Van Der Spoel, P. Bleeker & H. Kobayasi, 1993 - (CAVOLINIIDAE)
- robusta, Cerion robusta C.J. Maynard, 1894 - (CERIONIDAE)
- Robusta, syn of: Subgenus Delima (Semirugata) O. Bφttger, 1878 (CLAUSILIIDAE)
- robusta, Montenegrina hiltrudae robusta H. Nordsieck, 2009 - (CLAUSILIIDAE)
- robusta, Semirugata vidovichii robusta (H.C. Küster, 1847) - (CLAUSILIIDAE)
- robusta, Clavatula robusta R.B. Hinds, 1843 - syn of: Cheungbeia robusta (R.B. Hinds, 1843) - (CLAVATULIDAE)
- robusta, Heleobia robusta F. Da Silva & I.L. Veitenheimer-Mendes, 2004 - (COCHLIOPIDAE)
- robusta, Tryonia robusta R. Hershler, 1989 - (COCHLIOPIDAE)
- robusta, Cyamiomactra robusta D. Nicol, 1964 - syn of: Cyamiomactra laminifera (É. Lamy, 1906) - (CYAMIIDAE)
- robusta, Persicula robusta (G.B. III Sowerby, 1904) - (CYSTISCIDAE)
- robusta, Diplommatina balansai robusta A.R.J.B. Bavay & P. Dautzenberg, 1903 - (DIPLOMMATINIDAE)
- robusta, Donaldina robusta (Stevens, 1858 †) - (DONALDINIDAE) (FOSSIL)
- robusta, Lissodrillia robusta P.J. Fallon, 2016 - (DRILLIIDAE)
- robusta, Everettia robusta (G.P.L.K. Gude, 1917) - (DYAKIIDAE)
- robusta, Pseudochloritis robusta (A.E. Reuss in A.E. Reuss & Meyer, 1849 †) - (ELONIDAE) (FOSSIL)
- robusta, Apula devexa robusta (E.E. Binder, 2004 †) - (ELONIDAE) (FOSSIL)
- robusta, Melanella robusta (C.B. Adams, 1861) - (EULIMIDAE)
- robusta, Echineulima robusta (W.H. Pease, 1860) - (EULIMIDAE)
- robusta, Eulima robusta Wood, 1879 † - (EULIMIDAE) (FOSSIL)
- robusta, Stilifer robusta W.F. Petterd, 1884 - syn of: Scalenostoma lodderae (W.F. Petterd, 1884) - (EULIMIDAE)
- robusta, Poleumita robusta J. Perner, 1903 † - syn of: Oriostoma robusta (J. Perner, 1903 †) - (EUOMPHALIDAE) (FOSSIL)
- robusta, Falsicingula robusta (C.F.F. von Krauss, 1885) - (FALSICINGULIDAE)
- robusta, Fissurella robusta G.B. III Sowerby, 1889 - (FISSURELLIDAE)
- robusta, Flabellina robusta S. Trinchese, 1874 - syn of: Flabellina verrucosa (G.O. Sars, 1829) - (FLABELLINIDAE)
- robusta, Gadila robusta F. Da Silva, S. Pinto & M. Alves, 2010 - (GADILIDAE)
- robusta, Glycymerita robusta (J. Marwick, 1923 †) - (GLYCYMERIDIDAE) (FOSSIL)
- robusta, Gonioviriatellina robusta Ruan & Mu, 1989 † - (GONIONOWAKIIDAE) (FOSSIL)
- robusta, Peruvispira robusta C.O. Waterhouse, 1963 † - (GOSSELETINIDAE) (FOSSIL)
- robusta, Harpa doris robusta P.F. Röding, 1798 - (HARPIDAE)
- robusta, Helicarion robusta A.A. Gould, 1846 - (HELICARIONIDAE)
- robusta, Helicotoma robusta Ulrich & Scofield, 1897 † - (HELICOTOMIDAE) (FOSSIL)
- robusta, Helicotoma planulata robusta Salter, 1859 † - (HELICOTOMIDAE) (FOSSIL)
- robusta, Vacekia robusta Henriques, 1992 † - syn of: Vacekia striata Henriques, 2012 † - (HILDOCERATIDAE) (FOSSIL)
- robusta, Anacithara robusta C. Hedley, 1922 - (HORAICLAVIDAE)
- robusta, Socenia robusta (Roshka, 1973 †) - (HYDROBIIDAE) (FOSSIL)
- robusta, Pyrgulopsis robusta B. Walker, 1908 - (HYDROBIIDAE)
- robusta, Belgrandiella robusta P. Radoman, 1975 - (HYDROBIIDAE)
- robusta, Plagigeyeria robusta H. Schütt, 1959 - (HYDROBIIDAE)
- robusta, Actinella robusta T.V. Wollaston, 1878 - (HYGROMIIDAE)
- robusta, Paraboysidia robusta (A.R.J.B. Bavay & P. Dautzenberg, 1912) - (HYPSELOSTOMATIDAE)
- robusta, Kellia robusta F.W. Hutton, 1885 - syn of: Neolepton antipodum (H. Filhol, 1880) - (KELLIIDAE)
- robusta, Ruedemannia robusta (Lindström, 1884 †) - (LOPHOSPIRIDAE) (FOSSIL)
- robusta, Stylonema robusta (J.W. Hall, 1859 †) - (LOXONEMATIDAE) (FOSSIL)
- robusta, Palliseria robusta Wilson, 1924 † - (MACLURITIDAE) (FOSSIL)
- robusta, Obesotoma robusta (A. Packard, 1866) - (MANGELIIDAE)
- robusta, Bela robusta Scarponi & al., 2016 † - (MANGELIIDAE) (FOSSIL)
- robusta, Serrata robusta F. Boyer, 2008 - (MARGINELLIDAE)
- robusta, Eratoidea robusta T. McCleery, 2011 - (MARGINELLIDAE)
- robusta, Marginella robusta J.R. Bourguignat, 1880 - syn of: Persicula robusta (G.B. III Sowerby, 1904) - (MARGINELLIDAE)
- robusta, Marginella robusta G.B. III Sowerby, 1904 - syn of: Persicula robusta (G.B. III Sowerby, 1904) - (MARGINELLIDAE)
- robusta, Megadesmus robusta C.F. Laseron, 1910 † - (MEGADESMIDAE) (FOSSIL)
- robusta, Megaspira elatior robusta H.A. Pilsbry, 1904 - (MEGASPIRIDAE)
- robusta, Melanopsis robusta J. Gassies, 1870 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- robusta, Metoptoma robusta Billings, 1865 † - (METOPTOMATIDAE) (FOSSIL)
- robusta, Mitra robusta L.A. Reeve, 1844 - syn of: Vexillum woldemarii (L.C. Kiener, 1838) - (MITRIDAE)
- robusta, Hormotoma robusta J. Donald, 1902 † - (MURCHISONIIDAE) (FOSSIL)
- robusta, Lithophaga robusta F.P. Jousseaume in É. Lamy, 1919 - (MYTILIDAE)
- robusta, Nassa robusta T.A. de M. Monterosato, 1890 - syn of: Nassarius lima (L.W. Dillwyn, 1817) - (NASSARIIDAE)
- robusta, Neverita robusta R.W. Dunker, 1860 - syn of: Neverita didyma ampla (R.A. Philippi, 1849) - (NATICIDAE)
- robusta, Bipartopsis robusta J. Gründel, Keupp & H.G. Lang, 2015 † - (NERITOPSIDAE) (FOSSIL)
- robusta, Ledella robusta F.R. Bernard, 1989 - (NUCULANIDAE)
- robusta, Ammonicera robusta E. Rolán, 1992 - (OMALOGYRIDAE)
- robusta, Onykia robusta (A.E. Verrill, 1876) - (ONYCHOTEUTHIDAE)
- robusta, Schileykula robusta (G. Nägele, 1906) - (ORCULIDAE)
- robusta, Oriostoma robusta (J. Perner, 1903 †) - (ORIOSTOMATIDAE) (FOSSIL)
- robusta, Partula robusta W.H. Pease, 1863 - (PARTULIDAE)
- robusta, Denckmannia robusta Denckmann, 1887 † - syn of: Phymatoceras robustum (Denckmann, 1887 †) - (PHYMATOCERATIDAE) (FOSSIL)
- robusta, Eirlysia robusta (R.M. Branson, 1930 †) - (PHYMATOPLEURIDAE) (FOSSIL)
- robusta, Pinna robusta Chiesa & al., 1995 † - (PINNIDAE) (FOSSIL)
- robusta, Pleuromya robusta (Tate) † - (PLEUROMYIDAE) (FOSSIL)
- robusta, Leptomaria robusta Craigin, 1893 † - syn of: Leptomaria austinensis Shumard, 1861 † - (PLEUROTOMARIIDAE) (FOSSIL)
- robusta, Pseudomelania robusta Hudleston † - (PSEUDOMELANIIDAE) (FOSSIL)
- robusta, Cheungbeia robusta (R.B. Hinds, 1843) - (PSEUDOMELATOMIDAE)
- robusta, Pseudomonotis robusta Beede, 1890 † - (PSEUDOMONOTIDAE) (FOSSIL)
- robusta, Pupina robusta J.C. Cox, 1866 - (PUPINIDAE)
- robusta, Babella robusta M. Harzhauser, 2014 † - (PYRAMIDELLIDAE) (FOSSIL)
- robusta, Miralda robusta Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- robusta, Eulimella robusta J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - (PYRAMIDELLIDAE)
- robusta, Odostomia robusta C. Hedley, 1899 - syn of: Turbonilla mumia microscopica (C.B. Adams, 1861) - (PYRAMIDELLIDAE)
- robusta, Monoplex parthenopeus robusta B.H. Belletante, 1954 - (RANELLIDAE)
- robusta, Gymnobela pyrrhogramma robusta P. Dautzenberg & H. Fischer, 1896 - (RAPHITOMIDAE)
- robusta, Pinnocaris robusta Pojeta & al., 1977 † - (RIBEIRIIDAE) (FOSSIL)
- robusta, Cingula robusta H.C. Lea, 1845 - (RISSOIDAE)
- robusta, Rostellaria robusta Rutot, 1875 † - syn of: Hippochrenes oligocenicus Lefevre, 1881 † - (ROSTELLARIIDAE) (FOSSIL)
- robusta, Scenella robusta W.J. Raymond, 1905 † - (SCENELLIDAE) (FOSSIL)
- robusta, Sepiola robusta A. Naef, 1912 - (SEPIOLIDAE)
- robusta, Decorochilina robusta Radabaugh, 1942 † - syn of: Decorochilina whidbornei (J. Perner, 1903 †) - (SOLENISCIDAE) (FOSSIL)
- robusta, Pseudosubulina robusta E.C. Von Martens, 1898 - (SPIRAXIDAE)
- robusta, Yaadia robusta Saul, 1978 † - (STEINMANELLIDAE) (FOSSIL)
- robusta, Lambis robusta (W.J. Swainson, 1821) - (STROMBIDAE)
- robusta, Tellina robusta S.C.T. Hanley, 1844 - (TELLINIDAE)
- robusta, Terebra robusta R.B. Hinds, 1844 - (TEREBRIDAE)
- robusta, Anticlimax robusta F. Rubio & E. Rolán, 2014 - (TORNIDAE)
- robusta, Triphora robusta W.H. Pease, 1871 - (TRIPHORIDAE)
- robusta, Notosinister robusta C.F. Laseron, 1958 - syn of: Aclophoropsis maculosa (C. Hedley, 1903) - (TRIPHORIDAE)
- robusta, Turritella robusta Grzybowski, 1899 † - (TURRITELLIDAE) (FOSSIL)
- robusta, Alasmidonta robusta A.H. Clarke, 1981 - (UNIONIDAE)
- robusta, Sagracoptis robusta C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- robusta, Atamarcia robusta J.D. Stilwell & Zinsmeister, 1992 † - (VENERIDAE) (FOSSIL)
- robusta, Petricola robusta G.B. I Sowerby, 1834 - syn of: Choristodon robustus (G.B. I Sowerby, 1834) - (VENERIDAE)
- robusta, Petricola robusta R.A. Philippi, 1849 - syn of: Choristodon robustus (G.B. I Sowerby, 1834) - (VENERIDAE)
- robusta, Scaphella robusta (W.H. Dall, 1889) - (VOLUTIDAE)
- robusta, Xenophora robusta Verrill, 1870 - (XENOPHORIDAE)
- robusta, Xenophora robusta A.E. Verrill, 1870 - syn of: Xenophora conchyliophora robusta A.E. Verrill, 1870 - (XENOPHORIDAE)
- robusta, Xenophora conchyliophora robusta A.E. Verrill, 1870 - (XENOPHORIDAE)
- robusta, Yoldiella robusta J.A. Allen, A. Sanders & G. Hannah, 1995 - (YOLDIIDAE)
- robusta, Schwartziella robusta E. Rolán & L. Luque, 2000 - (ZEBINIDAE)
- robusta asculpta, Plagigeyeria robusta asculpta H. Schütt, 1972 - (HYDROBIIDAE)
- robusta caimitensis, Sagracoptis robusta caimitensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- robusta marionae, Scaphella robusta marionae (H.A. Pilsbry & A.A. Olsson, 1953) - (VOLUTIDAE)
- robusta martyni, Cingula robusta martyni W.H. Dall, 1887 - syn of: Boreocingula martyni (W.H. Dall, 1886) - (RISSOIDAE)
- robusta worki, Scaphella robusta worki J. Coltro, 1998 - (VOLUTIDAE)
- robustalba, Chauvetia robustalba P.G. Oliver & E. Rolán, 2008 - (BUCCINIDAE)
- robusteornatus, Hesperocirrus robusteornatus F. Haas, 1953 † - (CIRRIDAE) (FOSSIL)
- robusticostata, Mangelia robusticostata (E.A. Smith, 1879) - (MANGELIIDAE)
- robusticostata, Cytharella robusticostata E.A. Smith, 1879 - syn of: Mangelia robusticostata (E.A. Smith, 1879) - (MANGELIIDAE)
- robusticostata magna, Mangelia robusticostata magna T. Shuto, 1965 - (MANGELIIDAE)
- robustior, Chilina robustior G.B. I Sowerby, 1838 - (CHILINIDAE)
- robustior, Fusus robustior G.B. III Sowerby, 1880 - syn of: Fusinus ocelliferus robustior G.B. III Sowerby, 1880 - (FASCIOLARIIDAE)
- robustior, Fusinus ocelliferus robustior G.B. III Sowerby, 1880 - (FASCIOLARIIDAE)
- robustior, Cyphoma robustior F.M. Bayer, 1941 - syn of: Cyphoma mcgintyi H.A. Pilsbry, 1939 - (OVULIDAE)
- robustior, Parviturbo robustior F. Rubio, E. Rolán & Lee, 2015 - (SKENEIDAE)
- robustior, Zebina robustior S. Gofas, 1999 - (ZEBINIDAE)
- robustissima, Pyrgulina robustissima Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- robustocarinifera, Perrona robustocarinifera B.M. Landau & al., 2013 † - (CLAVATULIDAE) (FOSSIL)
- robustodentata, Olivella robustodentata B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (OLIVELLIDAE) (FOSSIL)
- robustula, Catazone robustula J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- robustum, Acanthoceras robustum Crick, 1907 † - (ACANTHOCERATIDAE) (FOSSIL)
- robustum, Ammonitoceras robustum (A. von Koenen, 1902 †) - (ANCYLOCERATIDAE) (FOSSIL)
- robustum, Australiceras robustum Whitehouse, 1926 † - (ANCYLOCERATIDAE) (FOSSIL)
- robustum, Pericarinoceras robustum Chao & Liang, 1966 † - (ANDERSSONOCERATIDAE) (FOSSIL)
- robustum, Anderssonoceras robustum J.K. Zhao & al., 1978 † - (ANDERSSONOCERATIDAE) (FOSSIL)
- robustum, Eoaraxoceras robustum Spinosa & Glenister, 2000 † - (ARAXOCERATIDAE) (FOSSIL)
- robustum, Arnioceras robustum F.A. von Quenstedt, 1884 † - (ARIETITIDAE) (FOSSIL)
- robustum, Augustaceras robustum Bucher, 1992 † - (BALATONITIDAE) (FOSSIL)
- robustum, Erioliceras robustum (Van Hoepen 1955 †) - (BRANCOCERATIDAE) (FOSSIL)
- robustum, Buccinulum robustum A.W.B. Powell, 1929 - (BUCCINIDAE)
- robustum, Dinocardium robustum (J. Lightfoot, 1786) - (CARDIIDAE)
- robustum, Loxocardium robustum A.E.M. Cossmann, 1886 † - (CARDIIDAE) (FOSSIL)
- robustum, Cardium robustum J. Lightfoot, 1786 - syn of: Dinocardium robustum (J. Lightfoot, 1786) - (CARDIIDAE)
- robustum, Digonioceras robustum (Foord & Crick, 1890 †) - (CENOCERATIDAE) (FOSSIL)
- robustum, Bittium robustum Harmer † - (CERITHIIDAE) (FOSSIL)
- robustum, Cerithium robustum G.B. II Sowerby, 1865 - syn of: Cerithium zonatum (W. Wood, 1828) - (CERITHIIDAE)
- robustum, Chaetoderma robustum H. Heath, 1911 - (CHAETODERMATIDAE)
- robustum, Choristoceras robustum Taylor & Guex, 2002 † - (CHORISTOCERATIDAE) (FOSSIL)
- robustum, Dentalium robustum J.W. Brazier, 1877 - (DENTALIIDAE)
- robustum, Beudanticeras robustum Warren, 1947 † - (DESMOCERATIDAE) (FOSSIL)
- robustum, Alpenoceras robustum (Schindewolf, 1942 †) - (DISCOSORIDAE) (FOSSIL)
- robustum, Discosorus robustum Schindewolf, 1942 † - syn of: Alpenoceras robustum (Schindewolf, 1942 †) - (DISCOSORIDAE) (FOSSIL)
- robustum, Graphoceras robustum Buckman † - (GRAPHOCERATIDAE) (FOSSIL)
- robustum, Cagliceras robustum (Merla, 1934 †) - (HAMMATOCERATIDAE) (FOSSIL)
- robustum, Myloceras robustum Klinger, 1976 † - (LABECERATIDAE) (FOSSIL)
- robustum, Cinctoceras robustum (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- Robustum, Genus Robustum Stinchcomb & Darrough, 1995 (MATTHEVIIDAE) (FOSSIL)
- robustum, Phymatoceras robustum (Denckmann, 1887 †) - (PHYMATOCERATIDAE) (FOSSIL)
- robustum, Platyceras robustum J.W. Hall, 1859 † - (PLATYCERATIDAE) (FOSSIL)
- robustum, Shelbyoceras robustum (Ulrich & Foerste, 1936 †) - (POLLICINIDAE) (FOSSIL)
- robustum, Weinlandipoma gonavense robustum P. Bartsch, 1946 - (POMATIIDAE)
- robustum, Shangraoceras robustum J.K. Zhao & Zheng, 1977 † - (PSEUDOHALORITIDAE) (FOSSIL)
- robustum, Pernodoceras robustum J.K. Zhao & Liang, 1974 † - (PSEUDOTIROLITIDAE) (FOSSIL)
- robustum, Sobraliceras robustum F.A. Medina & A.C. Riccardi, 2006 † - (SILESITIDAE) (FOSSIL)
- robustum, Eulomacoceras robustum J.K. Zhao & al., 1978 † - (TAINOCERATIDAE) (FOSSIL)
- robustum, Stikinoceras robustum McLearn, 1937 † - syn of: Stikinoceras kerri McLearn, 1930 † - (THISBITIDAE) (FOSSIL)
- robustum, Atoxon robustum H.R. Simroth, 1897 - (UROCYCLIDAE)
- robustum, Trichotoxon robustum H.R. Simroth, 1896 - (UROCYCLIDAE)
- robustum hazeli, Dinocardium robustum hazeli Ward & B.W. Blackwelder, 1987 - (CARDIIDAE)
- robustum vanhyningi, Dinocardium robustum vanhyningi W.J. Clench & L.C. Smith, 1944 - syn of: Dinocardium robustum (J. Lightfoot, 1786) - (CARDIIDAE)
- robustus, Thomelites robustus Kennedy, Cobban, Hancock & Hook 1989 † - (ACANTHOCERATIDAE) (FOSSIL)
- robustus, Kutatissites helicoides robustus (Eristavi, 1955 †) - (ANCYLOCERATIDAE) (FOSSIL)
- robustus, Mexopus robustus S. Kiel & del Carmen Perrilliat, 2001 † - (APORRHAIDAE) (FOSSIL)
- robustus, Aporrhais pespelicani robustus M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 - (APORRHAIDAE)
- robustus, Amphidromus heerianus robustus H.C. Fulton, 1896 - (CAMAENIDAE)
- robustus, Dicharax robustus Páll-Gergely & Hunyadi, 2017 - (CYCLOPHORIDAE)
- robustus, Dendronotus robustus A.E. Verrill, 1870 - (DENDRONOTIDAE)
- robustus, Muusoctopus robustus (N.A. Voss & W.G. Pearcy, 1990) - (ENTEROCTOPODIDAE)
- robustus, Fusinus robustus (J.B. Trask, 1855) - (FASCIOLARIIDAE)
- robustus, Fusus robustus J.B. Trask, 1855 - syn of: Fusinus robustus (J.B. Trask, 1855) - (FASCIOLARIIDAE)
- robustus, Pectunculus robustus G.B. III Sowerby, 1883 - syn of: Tucetona gealei (G.F. Angas, 1873) - (GLYCYMERIDIDAE)
- robustus, Goniatites robustus Moore & F. Hodson, 1958 † - (GONIATITIDAE) (FOSSIL)
- robustus, Erycites robustus Merla, 1934 † - (HAMMATOCERATIDAE) (FOSSIL)
- robustus, Janusites robustus D. Bert & G. Delanoy, 2000 † - (HEMIHOPLITIDAE) (FOSSIL)
- robustus, Callihoplites robustus Spath † - (HOPLITIDAE) (FOSSIL)
- robustus, Stenosemus robustus (P. Kaas, 1991) - (ISCHNOCHITONIDAE)
- robustus, Moffitites robustus Imlay, 1959 † - (KOSSMATICERATIDAE) (FOSSIL)
- robustus, Gigantomilax robustus H.R. Simroth, 1901 - syn of: Caspilimax keyserlingi (E.C. Von Martens, 1880) - (LIMACIDAE)
- robustus, Scutopus robustus L. Salvini-Plawén, 1970 - (LIMIFOSSORIDAE)
- robustus, Mecynodon robustus Karczewski, 1992 † - (MECYNODONTIDAE) (FOSSIL)
- robustus, Anasibirites robustus (Welter, 1922 †) - (MELAGATHICERATIDAE) (FOSSIL)
- robustus, Adiakritobelus robustus (Duval-Jouve, 1841 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- robustus, Tripterotyphis robustus (J.C. Verco, 1895) - (MURICIDAE)
- robustus, Xymene robustus H.J. Finlay, 1924 - syn of: Xymene pumilus (H.H. Suter, 1899) - (MURICIDAE)
- robustus, Nassarius robustus (T.A. de M. Monterosato, 1890) - (NASSARIIDAE)
- robustus, Polinices robustus Gardner, 1947 † - (NATICIDAE) (FOSSIL)
- robustus, Gyrodes robustus Waring, 1917 † - (NATICIDAE) (FOSSIL)
- robustus, Nautilus robustus Foord & Crick, 1890 † - syn of: Digonioceras robustum (Foord & Crick, 1890 †) - (NAUTILIDAE) (FOSSIL)
- robustus, Octopus robustus P. Brock, 1887 - syn of: Hapalochlaena fasciata (W.E. Hoyle, 1886) - (OCTOPODIDAE)
- robustus, Ommastrephes robustus A.E. Verrill, 1876 - syn of: Onykia robusta (A.E. Verrill, 1876) - (OMMASTREPHIDAE)
- robustus, Gudeodiscus pulvinaris robustus B. Páll-Gergely & A. Hunyadi, 2013 - (PLECTOPYLIDAE)
- robustus, Traskites robustus A. Hyatt & Smith, 1905 † - (SANDLINGITIDAE) (FOSSIL)
- robustus, Scaphander robustus T.A. Okutani, 1966 - (SCAPHANDRIDAE)
- robustus, Ponteixites robustus Warren, 1934 † - (SCAPHITIDAE) (FOSSIL)
- robustus, Sibirites robustus Krafft & Diener, 1909 † - syn of: Anasibirites kingianus (L. Waagen, 1895 †) - (SIBIRITIDAE) (FOSSIL)
- robustus, Margistrombus robustus (G.B. III Sowerby, 1874) - (STROMBIDAE)
- robustus, Strombus robustus G.B. III Sowerby, 1875 - syn of: Margistrombus robustus (G.B. III Sowerby, 1874) - (STROMBIDAE)
- robustus, Tapashanites robustus J.K. Zhao & al., 1978 † - (TAPASHANITIDAE) (FOSSIL)
- robustus, Parathetidites robustus Tozer, 1994 † - (THETIDITIDAE) (FOSSIL)
- robustus, Thisbites robustus Tozer, 1994 † - (THISBITIDAE) (FOSSIL)
- robustus, Triphora robustus W.H. Pease, 1871 - syn of: Triphora robusta W.H. Pease, 1871 - (TRIPHORIDAE)
- robustus, Distriatostylus robustus Sauerland, 1983 † - (UNDASTRIATOSTYLIOLINIDAE) (FOSSIL)
- robustus, Choristodon robustus (G.B. I Sowerby, 1834) - (VENERIDAE)
- robustus, Angustipes robustus (G. Colosi, 1922) - (VERONICELLIDAE)
- robustus, Viviparus robustus Š. Brusina, 1878 † - (VIVIPARIDAE) (FOSSIL)
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reh
reu
rhu
rin
roc
rot
rox
rue
ruh
ryd
saa
sai
san
sao
sav
sce
sci
scy
sem
sen
ses
shl
sih
sin
sio
smo
som
soy
sph
spj
sra
stg
sts
suc
sum
suv
szo
tab
tal
taq
tay
ten
teo
tes
tha
thl
tif
toc
tos
tre
trl
try
tuc
tus
uac
ume
uni
urd
vaa
vap
vas
vep
ves
vid
vip
vis
vob
vup
waa
wam
weg
who
wom
xac
yaa
yot
zaa
zem
zoo
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