- redactus, Bactrites redactus W.J. Gordon, 1964 † - (BACTRITIDAE) (FOSSIL)
- redactus, Unio redactus É.A.A. Locard, 1889 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- redassiana, Xerosecta redassiana (P.M. Pallary, 1904) - (HYGROMIIDAE)
- redbirdensis, Inoceramus redbirdensis Walaszczyk, Cobban & Harries, 2001 † - (INOCERAMIDAE) (FOSSIL)
- redbirdensis, Trachyscaphites redbirdensis Cobbanand Scott, 1964 † - (SCAPHITIDAE) (FOSSIL)
- redcarensis, Schlotheimia redcarensis A.T. Young & Bird † - (SCHLOTHEIMIIDAE) (FOSSIL)
- redelii, Cryptaulax redelii Ferrari, 2012 † - (CRYPTAULACIDAE) (FOSSIL)
- redempta, Papuina redempta J.C. Cox, 1873 - (CAMAENIDAE)
- redempta, Pyrgulina redempta (J.C. Melvill, 1910) - (PYRAMIDELLIDAE)
- redemptus, Polinices redemptus (O.G. Michelotti, 1847 †) - (NATICIDAE) (FOSSIL)
- redemptus dertoconvexus, Polinices redemptus dertoconvexus (F. Sacco, 1891 †) - (NATICIDAE) (FOSSIL)
- redensis, Palaeozygopleura redensis (Longst, 1933 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- redesdalense, Streblochondria redesdalense (Hind, 1903 †) - (STREBLOCHONDRIIDAE) (FOSSIL)
- redesdalensis, Beyrichoceratoides redesdalensis (Hind, 1918 †) - (MUENSTEROCERATIDAE) (FOSSIL)
- redferni, Suturocythara redferni E.F. Garcia, 2008 - (MANGELIIDAE)
- redferni, Dentimargo redferni J. Espinosa, J.A. Ortea & L. Moro, 2012 - (MARGINELLIDAE)
- redferni, Similipecten redferni H.H. Dijkstra, 2002 - (PROPEAMUSSIIDAE)
- redferni, Rissoina redferni J. Espinosa & J.A. Ortea, 2002 - (RISSOINIDAE)
- redferni, Scissurella redferni (E. Rolán, 1996) - (SCISSURELLIDAE)
- redferni, Strictispira redferni D.L. Tippett, 2006 - (STRICTISPIRIDAE)
- redferni, Spiricella redferni G.F. Silva & B.M. Landau, 2008 - (UMBRACULIDAE)
- redferni, Macromphalina redferni E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
- redfieldi, Partulina redfieldi (W. Newcomb, 1853) - (ACHATINELLIDAE)
- redfieldi, Acusta ravida redfieldi (L. Pfeiffer, 1852) - (BRADYBAENIDAE)
- redfieldi, Paracerastus jerdoni redfieldi (L. Pfeiffer) - (CERASTUIDAE)
- redfieldi, Melampus redfieldi L. Pfeiffer, 1854 - syn of: Melampus bidentatus T. Say, 1822 - (ELLOBIIDAE)
- redfieldi, Pygmabralia redfieldi (G. Voss, 1955) - (ENOPLOTEUTHIDAE)
- redfieldi, Prunum redfieldi (G.W. Tryon, 1883) - syn of: Prunum redfieldii (G.W. Tryon, 1883) - (MARGINELLIDAE)
- redfieldi, Aperostoma redfieldi C. de la Torre, P. Bartsch & J.P.E. Morrison, 1942 - (NEOCYCLOTIDAE)
- redfieldi kamaloensis, Partulina redfieldi kamaloensis H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- redfieldiana, Helix redfieldiana C.B. Adams, 1850 - syn of: Pleurodonte mora J.E. Gray in E. Griffith, 1834 - (HELICIDAE)
- redfieldiana, Fadyenia redfieldiana (C.B. Adams, 1849) - (HELICINIDAE)
- redfieldianus, Colobostylus redfieldianus (C.B. Adams) - (POMATIIDAE)
- redfieldianus magnitesta, Colobostylus redfieldianus magnitesta (H.B. Baker, 1934) - (POMATIIDAE)
- redfieldii, Prunum redfieldii (G.W. Tryon, 1883) - (MARGINELLIDAE)
- redfieldii, Volvarina redfieldii G.W. Tryon, 1883 - syn of: Prunum redfieldii (G.W. Tryon, 1883) - (MARGINELLIDAE)
- Redicirce, Subgenus Circe (Redicirce) T. Iredale, 1924 (VENERIDAE)
- redii, Limax redii U. Gerhardt, 1933 - (LIMACIDAE)
- Redikorella, Genus Redikorella Silantiev, 1994 (SENDERZONIELLIDAE) (FOSSIL)
- redimicula, Diodora redimicula T. Say, 1824 † - (FISSURELLIDAE) (FOSSIL)
- redimiculum, Cellana strigilis redimiculum (L.A. Reeve, 1854) - (NACELLIDAE)
- redimiculum, Patella redimiculum L.A. Reeve, 1854 - syn of: Cellana strigilis (J.B. Hombron & C.H. Jacquinot, 1841) - (PATELLIDAE)
- redimiculum, Pugillaria redimiculum L.A. Reeve, 1856 - syn of: Kerguelenella lateralis (A.A. Gould, 1846) - (SIPHONARIIDAE)
- redimita, Xerarionta redimita (W.G. Binney, 1858) - (CEPOLIDAE)
- redimita, Erosaria lamarckii redimita (J.C. Melvill, 1888) - (CYPRAEIDAE)
- redimita, Micrarionta redimita W.G. Binney, 1858 - syn of: Xerarionta redimita (W.G. Binney, 1858) - (HELMINTHOGLYPTIDAE)
- redimita, Lirularia redimita (A.A. Gould, 1861) - (TROCHIDAE)
- redimita, Gibbula redimita A.A. Gould, 1861 - syn of: Lirularia redimita (A.A. Gould, 1861) - (TROCHIDAE)
- redimita phuketensis, Erosaria lamarckii redimita phuketensis unknown - (CYPRAEIDAE)
- rediviva, Achatina rediviva J.F. Mabille, 1901 - (ACHATINIDAE)
- rediviva, Strophiops rediviva C.J. Maynard, 1913 - (CERIONIDAE)
- redivivia, Achatina redivivia J.F. Mabille, 1901 - syn of: Achatina rediviva J.F. Mabille, 1901 - (ACHATINIDAE)
- Redivivus, syn of: Genus Heliacus D'Orbigny, 1842 (ARCHITECTONICIDAE)
- redivivus, Nautilus redivivus Wulfen, 1793 † - syn of: Paraganides californicus A. Hyatt & Smith, 1905 † - (NAUTILIDAE) (FOSSIL)
- redmondii, Tellina redmondii W.M. Gabb, 1869 † - (TELLINIDAE) (FOSSIL)
- Redocla, Genus Redocla Versa, 1982 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- redomica, Margaritana redomica P.M. Pallary, 1923 - syn of: Margaritifera marocana P.M. Pallary, 1918 - (MARGARITIFERIDAE)
- redonae, Amandana cisternasi redonae (S.G.A. Jaeckel, 1952) - (HYGROMIIDAE)
- redondensis, Neokossmaticeras redondensis Olivero, 2012 † - (KOSSMATICERATIDAE) (FOSSIL)
- redondoensis, Axinodon redondoensis (T.A. Burch, 1941) - (MONTACUTIDAE)
- redondoensis, Nuculana redondoensis T.A. Burch, 1944 - syn of: Saccella penderi (W.H. Dall & P. Bartsch, 1910) - (NUCULANIDAE)
- redondoensis, Burchia redondoensis (T.A. Burch, 1938) - (PSEUDOMELATOMIDAE)
- redondoensis, Turbonilla redondoensis P. Bartsch, 1917 - (PYRAMIDELLIDAE)
- redondoensis, Tomburchus redondoensis (T.A. Burch, 1941) - (THYASIRIDAE)
- redonensis, Xerocrassa redonensis L. Gasull, 1963 - syn of: Amandana cisternasi redonae (S.G.A. Jaeckel, 1952) - (HYGROMIIDAE)
- Redonia, Genus Redonia Rouault, 1851 (REDONIIDAE) (FOSSIL)
- redoniana, Megacardita redoniana R. La Perna, O. Mandic & M. Harzhauser, 2017 † - (CARDITIDAE) (FOSSIL)
- redoniensis, Tympanotonos redoniensis Van Dingenen, Ceulemans & Landau, 2016 † - (POTAMIDIDAE) (FOSSIL)
- REDONIIDAE Babin, 1966 - Family (BIVALVIA-HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-ACTINODONTIDA [Order]-ANODONTOPSOIDEA [Superfamily]) (FOSSIL)
- redonnica, Margaritana redonnica P. Jodot, 1952 - syn of: Margaritifera marocana P.M. Pallary, 1918 - (MARGARITIFERIDAE)
- Redpathoceras, Genus Redpathoceras Flower, 1963 (PROBILLINGSITIDAE) (FOSSIL)
- Redstonia, Genus Redstonia Caldwell & Chatterton, 1995 (PSEUDOBIGALEAIDAE) (FOSSIL)
- redtenbacheri, Metafruticicola redtenbacheri (L. Pfeiffer, 1856) - (HYGROMIIDAE)
- redtenbacheri, Tissotia redtenbacheri de Grossouvre 1894 † - (TISSOTIIDAE) (FOSSIL)
- reducta, Euthria reducta A.E.M. Cossmann, 1897 † - (BUCCINIDAE) (FOSSIL)
- reducta, Figuladra reducta (T. Iredale, 1937) - (CAMAENIDAE)
- reducta, Sphaerospira reducta T. Iredale, 1937 - syn of: Figuladra reducta (T. Iredale, 1937) - (CAMAENIDAE)
- reducta, Helicomela reducta T.D.A. Cockerell, 1921 - syn of: Helicomela bowdichianus (A.E.J. Férussac, 1819) - (HYGROMIIDAE)
- reducta, Melanopsis gorceixi reducta Willmann, 1981 † - (MELANOPSIDAE) (FOSSIL)
- reducta, Scagacola reducta J. Stanisic, 2010 - (RHYTIDIDAE)
- reducta, Arcopagia crassa reducta G.F. Dollfus & P. Dautzenberg, 1886 † - (TELLINIDAE) (FOSSIL)
- reducta, Amoria molleri reducta P. Bail & A. Limpus, 2001 - (VOLUTIDAE)
- reductans, Acanthophaedusa reductans J. Grego & M. Szekeres, 2011 - (CLAUSILIIDAE)
- reductaspiralis, Kioconus reductaspiralis (J.G. Walls, 1979) - (CONIDAE)
- reductesignata, Bistolida reductesignata F.A. Schilder, 1924 - syn of: Bistolida kieneri (J.G. Hidalgo, 1906) - (CYPRAEIDAE)
- reductum, Acobaecardium reductum (Alizade †) - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- reductus, Dentimargo reductus (A.R.J.B. Bavay, 1922) - (MARGINELLIDAE)
- reductus, Nassarius reductus G.J. Vermeij & Wesselingh, 2002 † - (NASSARIIDAE) (FOSSIL)
- reductus, Discopsis reductus (E. Rolán & F. Rubio, 1990) - (TORNIDAE)
- redunca, Saccella redunca (R.K. Dell, 1950 †) - (NUCULANIDAE) (FOSSIL)
- reduncus, Baculites reduncus Cobban, 1977 † - (BACULITIDAE) (FOSSIL)
- reduncus, Obtusoconus reduncus Gubanov & al., 2004 † - (HELCIONELLIDAE) (FOSSIL)
- redux, Diplozone redux J. Perner, 1907 † - syn of: Diplozone innocens J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- redwoodensis, Aequipecten redwoodensis D.T. Dockery, 1982 † - (PECTINIDAE) (FOSSIL)
- reecei, Carditomantea reecei Reed 1932 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- reedei, Tengchiena reedei (J.W. Brazier, 1876) - (EUCONULIDAE)
- reederi, Palaina reederi W.J.M. Maassen, 2002 - (DIPLOMMATINIDAE)
- reederi, Sonorella reederi W.B. Miller, 1984 - (HELMINTHOGLYPTIDAE)
- reedi, Ptychosphaera carinata reedi (Pitcher, 1939 †) - (BELLEROPHONTIDAE) (FOSSIL)
- reedi, Bostryx reedi J.J. Parodíz, 1947 - (BULIMULIDAE)
- reedi, Ciliatocardium reedi (Loel & Corey, 1932 †) - (CARDIIDAE) (FOSSIL)
- reedi, Anachis reedi (P. Bartsch, 1928) - (COLUMBELLIDAE)
- reedi, Sodaliscala reedi P. Bartsch, 1945 - syn of: Epitonium canna W.H. Dall, 1919 - (EPITONIIDAE)
- reedi, Epitonium reedi P. Bartsch, 1928 - syn of: Epitonium canna W.H. Dall, 1919 - (EPITONIIDAE)
- reedi, Asperiscala reedi P. Bartsch, 1928 - syn of: Epitonium canna W.H. Dall, 1919 - (EPITONIIDAE)
- reedi, Exogyra reedi Imlay, 1937 † - (GRYPHAEIDAE) (FOSSIL)
- reedi, Loxonema reedi Longstaff, 1909 † - (LOXONEMATIDAE) (FOSSIL)
- reedi, Murex reedi Wood, 1877 † - (MURICIDAE) (FOSSIL)
- reedi, Cypraedia reedi Abbass, 1967 † - (OVULIDAE) (FOSSIL)
- reedi, Odostomia reedi P. Bartsch, 1928 - (PYRAMIDELLIDAE)
- reedi, Fossarina reedi (J.C. Verco, 1907) - (TROCHIDAE)
- reedi, Turbo reedi Keeping † - (TURBINIDAE) (FOSSIL)
- reedi, Shaninopsis reedi Isberg, 1934 † - (VLASTIDAE) (FOSSIL)
- reediana, Helminthoglypta reediana G. Willett, 1932 - (HELMINTHOGLYPTIDAE)
- reedii, Admete reedii Bell, 1870 † - (CANCELLARIIDAE) (FOSSIL)
- reedsi, Pachydiscus reedsi (C.J. Maury, 1930 †) - (DESMOCERATIDAE) (FOSSIL)
- reedsi, Amphiscapha reedsi (Knight, 1934 †) - (EUOMPHALIDAE) (FOSSIL)
- reedsi, Argopecten reedsi E.H. Vokes, 1938 † - (PECTINIDAE) (FOSSIL)
- Reedsoceras, Genus Reedsoceras Foerste, 1929 (WESTONOCERATIDAE) (FOSSIL)
- reefiana, Acutospira reefiana T.A. Garrard, 1982 - syn of: Colpospira moretonensis T.A. Garrard, 1972 - (TURRITELLIDAE)
- reeftonensis, Cavellia reeftonensis (H.H. Suter, 1892) - (CHAROPIDAE)
- reeftonensis, Fectola reeftonensis H.H. Suter, 1892 - syn of: Cavellia reeftonensis (H.H. Suter, 1892) - (CHAROPIDAE)
- reeftonensis, Paleodora reeftonensis Fleming, 1957 † - (SOLENOMORPHIDAE) (FOSSIL)
- reeftonensis angustata, Cavellia reeftonensis angustata (H.H. Suter, 1892) - (CHAROPIDAE)
- reekmansae, Pyrgulina reekmansae A. Peñas, E. Rolán & F. Swinnen, 2014 - (PYRAMIDELLIDAE)
- reentsi, Bostryx reentsi R.A. Philippi, 1851 - (BULIMULIDAE)
- reentsii, Erosaria gangranosa reentsii (R.W. Dunker, 1852) - (CYPRAEIDAE)
- reentsii, Mesodesma reentsii A. Römer, 1862 - syn of: Paphies subtriangulata (W. Wood, 1828) - (MESODESMATIDAE)
- reentsii, Pinctada reentsii R.W. Dunker, 1872 - syn of: Pinctada albina (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- reentzii, Tenagodus reentzii (O.A.L. Mörch, 1865) - (SILIQUARIIDAE)
- reesei, Paravitrea reesei J.P.E. Morrison, 1937 - (ZONITIDAE)
- reesi, Gadila reesi N.H. Ludbrook, 1954 - syn of: Gadila boissevainae (S.G.A. Jaeckel, 1932) - (GADILIDAE)
- reesi, Uroteuthis reesi (N.A. Voss, 1962) - (LOLIGINIDAE)
- reesi, Photololigo reesi (N.A. Voss, 1962) - syn of: Uroteuthis reesi (N.A. Voss, 1962) - (LOLIGINIDAE)
- reesi, Gymnothilda reesi A. Kaim, 2004 † - (MATHILDIDAE) (FOSSIL)
- reesi, Pleurobranchus reesi K.M. White, 1952 - syn of: Pleurobranchus atlanticus R.T. Abbott, 1949 - (PLEUROBRANCHIDAE)
- reesi, Tropidophora reesi E. Fischer-Piette, 1949 - (POMATIIDAE)
- reesi, Sepia reesi W. Adam, 1979 - (SEPIIDAE)
- reesi, Gulella reesi H.B. Preston, 1914 - (STREPTAXIDAE)
- reesianus, Spondylus reesianus G.B. III Sowerby, 1903 - (SPONDYLIDAE)
- reesianus serraticosta, Spondylus reesianus serraticosta B. Prashad, 1932 - (SPONDYLIDAE)
- reesidei, Pseudaspidoceras reesidei Benavides-Caceres, 1956 † - (ACANTHOCERATIDAE) (FOSSIL)
- reesidei, Watinoceras reesidei Warren, 1930 † - (ACANTHOCERATIDAE) (FOSSIL)
- reesidei, Pseudoaspidoceras reesidei Benavides-Caceres, 1956 † - (ACANTHOCERATIDAE) (FOSSIL)
- reesidei, Baculites reesidei Elias, 1933 † - (BACULITIDAE) (FOSSIL)
- reesidei, Bassites reesidei Cobban, 1987 † - (BARREMITIDAE) (FOSSIL)
- reesidei, Borissiakoceras reesidei C.C. Morrow, 1935 † - (BINNEYITIDAE) (FOSSIL)
- reesidei, Clionitites reesidei Johnson, 1941 † - (CLIONITITIDAE) (FOSSIL)
- reesidei, Pseudohaploceras reesidei G. Humphrey, 1949 † - (DESMOCERATIDAE) (FOSSIL)
- reesidei, Solenoceras reesidei L.W. Stephenson, 1941 † - (DIPLOMOCERATIDAE) (FOSSIL)
- reesidei, Metaptychoceras reesidei (Cobban & P.H. Scott, 1972 †) - (HAMITIDAE) (FOSSIL)
- reesidei, Euhoplites reesidei C.J. Maury, 1936 † - (HOPLITIDAE) (FOSSIL)
- reesidei, Eutrephoceras reesidei H.B. Stenzel, 1940 † - (NAUTILIDAE) (FOSSIL)
- reesidei, Jeletzkytes reesidei (B. Wade, 1926 †) - (SCAPHITIDAE) (FOSSIL)
- reesidei, Scaphites reesidei (M. Collignon, 1969 †) - (SCAPHITIDAE) (FOSSIL)
- reesidei, Trigonia reesidei Stoyanow, 1949 † - (TRIGONIIDAE) (FOSSIL)
- reesidei, Napulus reesidei N.F. Sohl, 1964 † - (TURBINELLIDAE) (FOSSIL)
- Reesidella, Genus Reesidella Yen, 1952 (HYDROBIIDAE) (FOSSIL)
- Reesidites, Genus Reesidites Wright & Matsumoto, 1954 (COLLIGNONICERATIDAE) (FOSSIL)
- reeveana, Barbatia reeveana (A.V.M.D. D'Orbigny, 1846) - (ARCIDAE)
- reeveana, Calloarca reeveana D'Orbigny, 1846 - syn of: Barbatia reeveana (A.V.M.D. D'Orbigny, 1846) - (ARCIDAE)
- reeveana, Arca reeveana P. Nyst, 1848 - syn of: Anadara broughtonii (L. von Schrenck, 1867) - (ARCIDAE)
- reeveana, Obba reeveana (L. Pfeiffer, 1846) - (CAMAENIDAE)
- reeveana, Cancellaria reeveana J.C.H. Crosse, 1861 - syn of: Merica elegans (G.B. I Sowerby, 1822) - (CANCELLARIIDAE)
- reeveana, Cardilia reeveana J.G. Hidalgo, 1903 - syn of: Cardilia inermis G.P. Deshayes, 1844 - (CARDILIIDAE)
- reeveana, Cardites reeveana S. Clessin, 1888 - syn of: Cardites laticostatus (G.B. I Sowerby, 1833) - (CARDITIDAE)
- reeveana, Cardita reeveana S. Clessin, 1888 - syn of: Cardites laticostatus (G.B. I Sowerby, 1833) - (CARDITIDAE)
- reeveana, Hyalaea reeveana R.W. Dunker, 1853 - syn of: Diacria major (J.E.V. Boas, 1886) - (CAVOLINIIDAE)
- reeveana, Chama reeveana S. Clessin, 1889 - syn of: Pseudochama subspinosa (J.C. Chenu, 1846) - (CHAMIDAE)
- reeveana, Pythia reeveana L. Pfeiffer, 1853 - (ELLOBIIDAE)
- reeveana, Helicina reeveana L. Pfeiffer, 1848 - (HELICINIDAE)
- reeveana, Cyclostrema reeveana (R.B. Hinds, 1850) - (LIOTIIDAE)
- reeveana, Mangelia reeveana G.P. Deshayes - syn of: Mangelia indistincta (T.A. de M. Monterosato, 1875) - (MANGELIIDAE)
- reeveana, Glabella reeveana (S.A.A. Petit De La Saussaye, 1851) - (MARGINELLIDAE)
- reeveana, Ricinula reeveana J.C.H. Crosse, 1862 - syn of: Drupa rubusidaeus P.F. Röding, 1798 - (MURICIDAE)
- reeveana, Myadora reeveana E.A. Smith, 1881 - (MYOCHAMIDAE)
- reeveana, Perna reeveana S. Clessin, 1890 - syn of: Isognomon ephippium (C. Linnaeus, 1758) - (MYTILIDAE)
- reeveana, Avicula reeveana R.W. Dunker, 1872 - syn of: Pinctada albina (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- reeveana, Pinctada reeveana R.W. Dunker, 1872 - syn of: Pinctada albina (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- reeveana, Crenatula reeveana S. Clessin, 1890 - syn of: Crenatula picta (J.F. Gmelin, 1791) - (PTERIIDAE)
- reeveana, Daphnella reeveana (G.P. Deshayes, 1863) - (RAPHITOMIDAE)
- reeveana, Pleurotoma reeveana G.P. Deshayes, 1863 - syn of: Daphnella reeveana (G.P. Deshayes, 1863) - (TURRIDAE)
- reeveana, Meretrix reeveana (J.G. Hidalgo, 1903) - (VENERIDAE)
- reeveana lasperlensis, Calloarca reeveana lasperlensis L.G. Sheldon & C.J. Maury in C.J. Maury, 1922 - syn of: Barbatia reeveana (A.V.M.D. D'Orbigny, 1846) - (ARCIDAE)
- reeveana purioensis, Helicina reeveana purioensis M.I. Sánchez Roig, 1950 - (HELICINIDAE)
- reeveana subsinensis, Cancellaria reeveana subsinensis C.H.W.T. Löbbecke, 1881 - syn of: Merica elegans (G.B. I Sowerby, 1822) - (CANCELLARIIDAE)
- reeveana velataformis, Calloarca reeveana velataformis L.G. Sheldon & C.J. Maury in C.J. Maury, 1922 - syn of: Barbatia reeveana (A.V.M.D. D'Orbigny, 1846) - (ARCIDAE)
- reeveanum, Buccinum reeveanum R.W. Dunker, 1846 - syn of: Nassarius reeveanus (R.W. Dunker, 1847) - (BUCCINIDAE)
- reeveanum, Acrosterigma reeveanum R.W. Dunker, 1852 - syn of: Vasticardium vertebratum (I.H. Jonas, 1844) - (CARDIIDAE)
- reeveanum, Pitar reeveanum J.G. Hidalgo, 1903 - (VENERIDAE)
- reeveanus, Lignus reeveanus (L. Pfeiffer, 1848) - (ACHATINIDAE)
- reeveanus, Fusus reeveanus S.A.A. Petit De La Saussaye, 1846 - syn of: Colus sabini (J.E. Gray, 1824) - (FASCIOLARIIDAE)
- reeveanus, Fusus reeveanus S.A.A. Petit De La Saussaye, 1851 - syn of: Colus sabini (J.E. Gray, 1824) - (FASCIOLARIIDAE)
- reeveanus, Nassarius reeveanus (R.W. Dunker, 1847) - (NASSARIIDAE)
- reeveanus bizonalis, Nassarius reeveanus bizonalis A. Adams, 1852 - syn of: Nassarius reeveanus zonalis (A. Adams, 1852) - (NASSARIIDAE)
- reeveanus luctuosus, Nassarius reeveanus luctuosus (A. Adams, 1852) - (NASSARIIDAE)
- reeveanus punctatus, Nassarius reeveanus punctatus (A. Adams, 1852) - (NASSARIIDAE)
- reeveanus velatus, Nassarius reeveanus velatus A.A. Gould, 1850 - (NASSARIIDAE)
- reeveanus zonalis, Nassarius reeveanus zonalis (A. Adams, 1852) - (NASSARIIDAE)
- reevei, Amalda reevei (E.A. Smith, 1904) - (ANCILLARIIDAE)
- reevei, Adelphotectonica reevei (S.C.T. Hanley, 1862) - (ARCHITECTONICIDAE)
- reevei, Architectonica reevei S.C.T. Hanley, 1862 - syn of: Adelphotectonica reevei (S.C.T. Hanley, 1862) - (ARCHITECTONICIDAE)
- reevei, Trisidos tortuosa reevei T. Iredale, 1939 - (ARCIDAE)
- reevei, Tomopleura reevei C.B. Adams, 1850 - syn of: Tomopleura reevii (C.B. Adams, 1850) - (BORSONIIDAE)
- reevei, Helicostyla woodiana reevei (W.J. Broderip, 1841) - (BRADYBAENIDAE)
- reevei, Engina reevei G.W. Tryon, 1883 - syn of: Engina alveolata (L.C. Kiener, 1836) - (BUCCINIDAE)
- reevei, Turricula reevei L.M.D. Bellardi, 1847 † - (CLAVATULIDAE) (FOSSIL)
- reevei, Clavatula perronii reevei H. Strebel, 1912 - (CLAVATULIDAE)
- reevei, Mitrella reevei P.P. Carpenter, 1864 - syn of: Mitrella santabarbarensis (P.P. Carpenter, 1856) - (COLUMBELLIDAE)
- reevei, Columbella reevei P.P. Carpenter, 1864 - syn of: Mitrella santabarbarensis (P.P. Carpenter, 1856) - (COLUMBELLIDAE)
- reevei, Conus reevei L.C. Kiener, 1845 - syn of: Poremskiconus vittatus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- reevei, Eucrassatella reevei (W.M. Gabb, 1873 †) - (CRASSATELLIDAE) (FOSSIL)
- reevei, Cyclophorus reevei J.G. Hidalgo, 1866 - (CYCLOPHORIDAE)
- reevei, Austrocypraea reevei (G.B. I Sowerby, 1832) - (CYPRAEIDAE)
- reevei, Austrocypraea reevei Petuch & Berschauer, 2017 - (CYPRAEIDAE)
- reevei, Austrocypraea reevei Chiapponi, 2017 - (CYPRAEIDAE)
- reevei, Dentalium reevei P. Fischer, 1871 - (DENTALIIDAE)
- reevei, Donax reevei V. Bertin, 1881 - syn of: Donax assimilis S.C.T. Hanley, 1845 - (DONACIDAE)
- reevei, Epitonium reevei S. Clessin, 1897 - syn of: Cirsotrema zelebori (R.W. Dunker, 1866) - (EPITONIIDAE)
- reevei, Cirsotrema reevei S. Clessin, 1897 - syn of: Cirsotrema zelebori (R.W. Dunker, 1866) - (EPITONIIDAE)
- reevei, Fasciolaria reevei I.H. Jonas, 1850 - syn of: Triplofusus giganteus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- reevei, Pleuroploca reevei I.H. Jonas, 1850 - syn of: Triplofusus giganteus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- reevei, Diodora octagona reevei (M.M. Schepman, 1908) - (FISSURELLIDAE)
- reevei, Glycymeris reevei (C. Mayer, 1868) - (GLYCYMERIDIDAE)
- reevei, Hydrobia reevei G.R. von Frauenfeld, 1863 - syn of: Pyrgophorus coronatus (L. Pfeiffer, 1840) - (HYDROBIIDAE)
- reevei, Lepidozona reevei P. Kaas & R.A. Van Belle, 1987 - (ISCHNOCHITONIDAE)
- reevei, Ctena reevei (G.P. Deshayes, 1863) - (LUCINIDAE)
- reevei, Mactra reevei L.A. Reeve, 1854 - syn of: Mactra maculata J.F. Gmelin, 1791 - (MACTRIDAE)
- reevei, Mangelia reevei G.W. Tryon, 1884 - syn of: Eucithara novaehollandiae (L.A. Reeve, 1846) - (MANGELIIDAE)
- reevei, Dentimargo reevei C.F.F. von Krauss, 1852 - syn of: Dentimargo neglecta (G.B. I Sowerby, 1846) - (MARGINELLIDAE)
- reevei, Marginella reevei C.F.F. von Krauss, 1852 - syn of: Dentimargo neglecta (G.B. I Sowerby, 1846) - (MARGINELLIDAE)
- reevei, Mitra reevei R.A. Philippi, 1850 - syn of: Mitra incompta (J. Lightfoot, 1786) - (MITRIDAE)
- reevei, Chicoreus reevei E.H. Vokes, 1965 - syn of: Siratus ciboney (W.J. Clench & I. Pérez Farfante, 1945) - (MURICIDAE)
- reevei, Volsella reevei G.F. Angas, 1867 - syn of: Mytella charruana (A.V.M.D. D'Orbigny, 1842) - (MYTILIDAE)
- reevei, Nassa reevei A. Adams, 1852 - syn of: Nassarius fossatus (A.A. Gould, 1850) - (NASSARIIDAE)
- reevei, Odontostomus reevei (G.P. Deshayes, 1851) - (ODONTOSTOMIDAE)
- reevei, Agaronia reevei O.A.L. Mörch, 1860 - syn of: Agaronia testacea (J.B.P.A. Lamarck, 1811) - (OLIVIDAE)
- reevei, Brotia reevei (A. Brot) - (PACHYCHILIDAE)
- reevei, Annachlamys reevei (A. Adams in A. Adams & L.A. Reeve, 1850) - (PECTINIDAE)
- reevei, Gari reevei E.C. Von Martens, 1897 - syn of: Gari pallida (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- reevei, Psammobia reevei E.C. Von Martens, 1897 - syn of: Gari pallida (G.P. Deshayes, 1855) - (PSAMMOBIIDAE)
- reevei, Odostomia reevei Wood, 1882 † - (PYRAMIDELLIDAE) (FOSSIL)
- reevei, Solenocurtus reevei P. Dautzenberg, 1900 - syn of: Solecurtus rhombus (L. Spengler, 1794) - (SOLECURTIDAE)
- reevei, Solecurtus reevei P. Dautzenberg, 1900 - syn of: Solecurtus rhombus (L. Spengler, 1794) - (SOLECURTIDAE)
- reevei, Spondylus reevei H.C. Fulton, 1915 - syn of: Spondylus virgineus L.A. Reeve, 1856 - (SPONDYLIDAE)
- reevei, Potamopyrgus reevei G.R. von Frauenfeld, 1865 - syn of: Potamopyrgus antipodarum (J.E. Gray, 1843) - (TATEIDAE)
- reevei, Terebra reevei G.P. Deshayes, 1857 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- reevei, Melania reevei A. Brot, 1862 - syn of: Brotia costula (C.S. Rafinesque, 1833) - (THIARIDAE)
- reevei, Tonna reevei G.W. Tryon, 1885 - syn of: Tonna lischkeana (H.C. Küster, 1857) - (TONNIDAE)
- reevei, Tridacna reevei J.G. Hidalgo, 1903 - syn of: Tridacna maxima (P.F. Röding, 1798) - (TRIDACNIDAE)
- reevei, Mastonia reevei (G.P. Deshayes, 1863) - (TRIPHORIDAE)
- reevei, Trochus reevei (R.P. Montrouzier, 1861) - (TROCHIDAE)
- reevei, Turbo reevei R.A. Philippi, 1847 - (TURBINIDAE)
- reevei, Turritella reevei P. Dautzenberg & Fischer, 1906 - (TURRITELLIDAE)
- reevei, Colpospira reevei A.E.M. Cossmann, 1912 - syn of: Colpospira curialis C. Hedley, 1907 - (TURRITELLIDAE)
- reevei, Sinotaia reevei (P. Dautzenberg & H. Fischer, 1905) - (VIVIPARIDAE)
- reevei, Bellamya reevei (P. Dautzenberg & H. Fischer, 1905) - syn of: Sinotaia reevei (P. Dautzenberg & H. Fischer, 1905) - (VIVIPARIDAE)
- reevei, Enaeta reevei (W.H. Dall, 1907) - (VOLUTIDAE)
- reevei, Amoria damonii reevei (G.B. II Sowerby, 1864) - (VOLUTIDAE)
- reevei microsphaerica, Austrocypraea reevei microsphaerica L. Raybaudi Massilia, 1980 - (CYPRAEIDAE)
- reevei venusta, Architectonica reevei venusta J.T. Kuroda, 1971 - syn of: Adelphotectonica reevei (S.C.T. Hanley, 1862) - (ARCHITECTONICIDAE)
- reeveiana, Lampsilis reeveiana (I. Lea, 1852) - (UNIONIDAE)
- reevesbyi, Gyroscala reevesbyi B.C. Cotton, 1938 - syn of: Gyroscala lamellosa (J.B.P.A. Lamarck, 1822) - (EPITONIIDAE)
- reevesbyi, Miselaoma reevesbyi B.C. Cotton, 1938 - (PUNCTIDAE)
- reevesii, Mactrinula reevesii (J.E. Gray, 1837) - (MACTRIDAE)
- reevesii, Paraoncidium reevesii (J.E. Gray, 1850) - (ONCHIDIIDAE)
- reevesii, Onchidella reevesii L.A. Reeve in J.E. Gray, 1850 - syn of: Paraoncidium reevesii (J.E. Gray, 1850) - (ONCHIDIIDAE)
- reevi, Glycymeris reevi Meyer, 1868 † - (GLYCYMERIDIDAE) (FOSSIL)
- reeviana, Angaria reeviana (R.B. Hinds, 1843) - (ANGARIIDAE)
- reeviana, Pseudoliotia reeviana (L.A. Reeve, 1844) - (TORNIDAE)
- reeviana, Lampsilis reeviana I. Lea, 1852 - syn of: Lampsilis reeveiana (I. Lea, 1852) - (UNIONIDAE)
- reevianum, Cerithidea reevianum A. Adams, 1850 - syn of: Cerithideopsis montagnei (A.V.M.D. D'Orbigny, 1841) - (POTAMIDIDAE)
- reevii, Tomopleura reevii (C.B. Adams, 1850) - (BORSONIIDAE)
- reevii, Amerianna reevii (A. Adams & G.F. Angas, 1864) - (PLANORBIDAE)
- reevii, Tonna reevii S.C.T. Hanley, 1860 - syn of: Tonna lischkeana (H.C. Küster, 1857) - (TONNIDAE)
- reevii, Turbo reevii R.A. Philippi, 1847 - syn of: Turbo reevei R.A. Philippi, 1847 - (TURBINIDAE)
- reevii, Pleurotoma reevii C.B. Adams, 1850 - syn of: Tomopleura reevii (C.B. Adams, 1850) - (TURRIDAE)
- reflecta, Iravadia reflecta (C.F. Laseron, 1956) - (IRAVADIIDAE)
- reflecta, Maccoyella reflecta (Moore, 1870 †) - (OXYTOMIDAE) (FOSSIL)
- reflecta, Cirsonella reflecta C.F. Laseron, 1954 - (SKENEIDAE)
- Reflectopallium, syn of: Subgenus Athoracophorus (Pseudaneitea) T.D.A. Cockerell, 1891 (ATHORACOPHORIDAE)
- reflectus, Chelyconus reflectus G.B. I Sowerby, 1877 - syn of: Pionoconus catus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- reflexa, Chama pacifica reflexa L.A. Reeve, 1846 - (CHAMIDAE)
- reflexa, Turricula reflexa (L.A. Reeve, 1845) - (CLAVATULIDAE)
- reflexa, Collonia reflexa (Münster, 1841 †) - (COLLONIIDAE) (FOSSIL)
- reflexa, Lacunella reflexa W.H. Dall, 1884 - syn of: Lacuna reflexa (W.H. Dall, 1884) - (ELACHISINIDAE)
- reflexa, Ovatella reflexa W. Turton, 1819 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- reflexa, Epitonium reflexa P.P. Carpenter, 1856 - syn of: Epitonium reflexum (P.P. Carpenter, 1856) - (EPITONIIDAE)
- reflexa, Cuthona reflexa M.C. Miller, 1977 - syn of: Cuthona perca (Er. Marcus, 1958) - (FIONIDAE)
- reflexa, Panopea reflexa T. Say, 1824 † - (HIATELLIDAE) (FOSSIL)
- reflexa, Hippocardia reflexa (Zeiler, 1857 †) - (HIPPOCARDIIDAE) (FOSSIL)
- reflexa, Lacuna reflexa (W.H. Dall, 1884) - (LITTORINIDAE)
- reflexa, Myrtina reflexa D.W. Taylor & E.A. Glover, 2013 - (LUCINIDAE)
- reflexa, Stagnicola reflexa (T. Say, 1821) - (LYMNAEIDAE)
- reflexa, Dissona reflexa C.N. Cate, 1973 - (OVULIDAE)
- reflexa, Volvulella reflexa (F.W. Hutton, 1885 †) - (RHIZORIDAE) (FOSSIL)
- reflexa, Abra reflexa (K.E.I. von Eichwald †) - (SEMELIDAE) (FOSSIL)
- reflexa, Succinea reflexa L. Pfeiffer, 1842 - syn of: Plectostylus broderipii (G.B. I Sowerby, 1832) - (SUCCINEIDAE)
- reflexa, Tellinella reflexa J.D. Stilwell & Zinsmeister, 1992 † - (TELLINIDAE) (FOSSIL)
- reflexa, Tibiella reflexa Hodgkinson, 1992 † - (THECOSOMATA (UNASSIGNED)) (FOSSIL)
- reflexa, Turritella reflexa Münster, 1841 † - syn of: Anoptychia carinata (Münster, 1841 †) - (TURRITELLIDAE) (FOSSIL)
- reflexa, Obliquaria reflexa C.S. Rafinesque, 1820 - (UNIONIDAE)
- reflexa, Venus reflexa G. Montagu, 1808 - syn of: Venus casina C. Linnaeus, 1758 - (VENERIDAE)
- reflexa jukesii, Chama reflexa jukesii L.A. Reeve, 1846 - syn of: Chama pacifica jukesii L.A. Reeve, 1846 - (CHAMIDAE)
- reflexa melanostoma, Ampullaria reflexa melanostoma R.A. Philippi, 1862 - syn of: Pomacea flagellata (T. Say, 1829) - (AMPULLARIIDAE)
- reflexicosta, Manticoceras reflexicosta (Kayser, 1883 †) - (GEPHUROCERATIDAE) (FOSSIL)
- reflexicosta, Goniatites reflexicosta Kayser, 1883 † - syn of: Manticoceras reflexicosta (Kayser, 1883 †) - (GONIATITIDAE) (FOSSIL)
- reflexilabiata, Pleuropoma reflexilabiata J. Stanisic, 2010 - (HELICINIDAE)
- reflexilabris, Amphidromus reflexilabris M.M. Schepman, 1892 - (CAMAENIDAE)
- reflexilabris, Tralia reflexilabris (A.V.M.D. D'Orbigny, 1840) - (ELLOBIIDAE)
- reflexilabris haneilanus, Amphidromus reflexilabris haneilanus (B. Rensch, 1931) - (CAMAENIDAE)
- reflexum, Conocardium reflexum Zeiler, 1857 † - syn of: Hippocardia reflexa (Zeiler, 1857 †) - (CONOCARDIIDAE) (FOSSIL)
- reflexum, Epitonium reflexum (P.P. Carpenter, 1856) - (EPITONIIDAE)
- reflexum, Anaklinoceras reflexum L.W. Stephenson, 1941 † - (NOSTOCERATIDAE) (FOSSIL)
- reflexum, Platyceras reflexum J.W. Hall, 1859 † - (PLATYCERATIDAE) (FOSSIL)
- reflexus, Angusticornus reflexus A.V. Sysoev, 1968 † - (ANGUSTICORNIDAE) (FOSSIL)
- reflexus, Plectostylus reflexus L. Pfeiffer, 1842 - syn of: Plectostylus broderipii (G.B. I Sowerby, 1832) - (BOTHRIEMBRYONTIDAE)
- reflexus, Chelyconus reflexus G.B. I Sowerby, 1877 - syn of: Pionoconus catus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- reflexus, Pterinopecten reflexus J.W. Hall † - (PTERINOPECTINIDAE) (FOSSIL)
- reflexus, Turbo reflexus Münster, 1841 † - syn of: Collonia reflexa (Münster, 1841 †) - (TURBINIDAE) (FOSSIL)
- reflexus, Irus reflexus (J.E. Gray, 1843) - (VENERIDAE)
- refleza, Lacunella refleza W.H. Dall, 1884 - syn of: Lacuna reflexa (W.H. Dall, 1884) - (ELACHISINIDAE)
- reflua, Ludwigia reflua (Buckman, 1904 †) - (GRAPHOCERATIDAE) (FOSSIL)
- Refluharpa, Subgenus Eocithara (Refluharpa) Iredale, 1931 (HARPIDAE) (FOSSIL)
- reformata, Sonninia reformata Buckman † - (SONNINIIDAE) (FOSSIL)
- refractus, Oecoptychius refractus (Reinecke, 1818 †) - (OECOPTYCHIIDAE) (FOSSIL)
- refractus, Eophyllites refractus Spath, 1934 † - (USSURITIDAE) (FOSSIL)
- refuga, Inchoatia haussknechti refuga (C.A. Westerlund, 1894) - (CLAUSILIIDAE)
- refuga, Chersaecia refuga (A.A. Gould, 1846) - (PLECTOPYLIDAE)
- refugioensis, Pecten refugioensis L.G. Hertlein, 1925 † - (PECTINIDAE) (FOSSIL)
- refugium, Homomya refugium White, 1887 † - (PHOLADOMYIDAE) (FOSSIL)
- refugium, Chiliostigma refugium (J.C. Melvill, 1918) - (RISSOINIDAE)
- refulgens, Margarella refulgens (E.A. Smith, 1907) - (CALLIOSTOMATIDAE)
- refulgens, Valvatella refulgens E.A. Smith, 1907 - syn of: Margarella refulgens (E.A. Smith, 1907) - (MARGARITIDAE)
- refulgens, Margarites refulgens E.A. Smith, 1907 - syn of: Margarella refulgens (E.A. Smith, 1907) - (MARGARITIDAE)
- refulgens, Amphinaias refulgens (I. Lea, 1868) - (UNIONIDAE)
- refurca, Pinna refurca W.P. Woodring, 1928 † - (PINNIDAE) (FOSSIL)
- regab, Christineconcha regab (R. von Cosel & K. Olu, 2009) - (VESICOMYIDAE)
- regale, Dunveganoceras albertense regale Cobban, 1988 † - (ACANTHOCERATIDAE) (FOSSIL)
- regale, Calliostoma regale (B.A. Marshall, 1995) - (CALLIOSTOMATIDAE)
- regale, Maurea regale B.A. Marshall, 1995 - syn of: Calliostoma regale (B.A. Marshall, 1995) - (CALLIOSTOMATIDAE)
- regale, Roloboceras regale R. Casey 1961 † - (DOUVILLEICERATIDAE) (FOSSIL)
- regale, Gephyroceras regale Holzapfel, 1899 † - syn of: Ponticeras regale (Holzapfel, 1899 †) - (GEPHUROCERATIDAE) (FOSSIL)
- regale, Pseudogrammoceras regale Buckman, 1904 † - syn of: Pseudogrammoceras fallaciosum (C.É. Bayle, 1878 †) - (HILDOCERATIDAE) (FOSSIL)
- regale, Euciphoceras regale (Sowerby, 1823 †) - (NAUTILIDAE) (FOSSIL)
- regale, Ponticeras regale (Holzapfel, 1899 †) - (PONTICERATIDAE) (FOSSIL)
- regale, Trochoceras regale Barrande, 1848 † - (RUTOCERATIDAE) (FOSSIL)
- Regalilima, Genus Regalilima Cox, 1943 (PTERIOIDEA (UNASSIGNED)) (FOSSIL)
- regalis, Cominella regalis R.C. Willan, 1978 - (BUCCINIDAE)
- regalis, Lischkeia regalis A.E. Verrill & S. Smith, 1880 - syn of: Calliotropis ottoi (R.A. Philippi, 1844) - (CALLIOTROPIDAE)
- regalis, Felimida regalis (J.A. Ortea, G.M. Caballer & L. Moro, 2001) - (CHROMODORIDIDAE)
- regalis, Noumea regalis J.A. Ortea, G.M. Caballer & L. Moro, 2001 - syn of: Felimida regalis (J.A. Ortea, G.M. Caballer & L. Moro, 2001) - (CHROMODORIDIDAE)
- regalis, Alopia regalis (E.A. Bielz, 1851) - (CLAUSILIIDAE)
- regalis, Anapteris regalis † - (CORBULIDAE) (FOSSIL)
- regalis, Plectodon regalis B.A. Marshall, 2002 - (CUSPIDARIIDAE)
- regalis, Alycaeus regalis Foon & Liew, 2017 - (CYCLOPHORIDAE)
- regalis, Prozonarina regalis L. Dolin & P. Lozouet, 2004 † - (CYPRAEIDAE) (FOSSIL)
- regalis, Cyrena regalis T. Prime, 1865 - syn of: Polymesoda arctata (G.P. Deshayes, 1854) - (CYRENIDAE)
- regalis, Dyakia regalis (W.H. Benson, 1850) - (DYAKIIDAE)
- regalis, Nematolampas regalis S.S. Berry, 1913 - (LYCOTEUTHIDAE)
- regalis, Nerita regalis L.H. Hupé, 1858 - syn of: Nerita funiculata K.T. Menke, 1851 - (NERITIDAE)
- regalis, Corona regalis (L.H. Hupé, 1857) - (ORTHALICIDAE)
- regalis, Paludomus regalis E.L. Layard, 1854 - (PALUDOMIDAE)
- regalis, Scissurella regalis D.L. Geiger & B.A. Marshall, 2012 - (SCISSURELLIDAE)
- regalis, Sinuopea regalis Ulrich & al., 1931 † - syn of: Sinuopea sweeti (R.P. Whitfield, 1882 †) - (SINUOPEIDAE) (FOSSIL)
- regalis, Archiminolia regalis B.A. Marshall, 1999 - (SOLARIELLIDAE)
- regalis, Euthymella regalis (F.P. Jousseaume, 1884) - (TRIPHORIDAE)
- regalis, Trochaclis regalis B.A. Marshall, 1995 - (TROCHACLIDIDAE)
- regalis deubeli, Alopia regalis deubeli C.A. Westerlund, 1892 - syn of: Alopia plumbea deubeli C.A. Westerlund, 1892 - (CLAUSILIIDAE)
- regalis doftanae, Alopia regalis doftanae H. Nordsieck, 1977 - syn of: Alopia plumbea doftanae H. Nordsieck, 1977 - (CLAUSILIIDAE)
- regalis glabriuscula, Alopia regalis glabriuscula E.A. Rossmässler, 1859 - syn of: Alopia plumbea glabriuscula E.A. Rossmässler, 1859 - (CLAUSILIIDAE)
- regalis loroisiana, Corona regalis loroisiana (L.H. Hupé, 1857) - (ORTHALICIDAE)
- regalis mutabilis, Alopia regalis mutabilis M. von Kimakowicz, 1894 - syn of: Alopia plumbea mutabilis M. von Kimakowicz, 1894 - (CLAUSILIIDAE)
- regalis proclivis, Alopia regalis proclivis (M. Kimakowicz, 1894) - (CLAUSILIIDAE)
- regalis sabinae, Alopia regalis sabinae R. Kimakowicz, 1928 - (CLAUSILIIDAE)
- regalis wagneri, Alopia regalis wagneri (M. Kimakowicz, 1894) - (CLAUSILIIDAE)
- regalitatis, Conus regalitatis G.B. II Sowerby, 1834 - syn of: Chelyconus purpurascens (G.B. II Sowerby, 1833) - (CONIDAE)
- regalonense, Bythiospeum diaphanum regalonense H. Girardi, 2009 - (HYDROBIIDAE)
- regelae, Acroloxus regelae L.A. Prozorova & Y.I. Starobogatov, 1998 - (ACROLOXIDAE)
- regeliana, Angiomphalia regeliana (E.C. Von Martens, 1882) - (HYGROMIIDAE)
- regelianus, Pseudonapaeus regelianus (C.M.F. Ancey, 1886) - (ENIDAE)
- regenfussi, Conus regenfussi P. Dautzenberg, 1937 - syn of: Strategoconus generalis (C. Linnaeus, 1767) - (CONIDAE)
- regenfussi, Turbo regenfussi G.P. Deshayes, 1843 - syn of: Turbo marmoratus C. Linnaeus, 1758 - (TURBINIDAE)
- Regestoma, syn of: Genus Pupina M. Vignard, 1829 (PUPINIDAE)
- regia, Anatoma regia (M.K. Mestayer, 1916) - (ANATOMIDAE)
- regia, Anatoma regia M.K. Mestayer, 1916 - syn of: Anatoma regia (M.K. Mestayer, 1916) - (ANATOMIDAE)
- regia, Architectonica regia (S.C.T. Hanley, 1862) - (ARCHITECTONICIDAE)
- regia, Amplirhagada regia F. Köhler, 2010 - (CAMAENIDAE)
- regia, Baudinella regia G.A. Solem, 1985 - (CAMAENIDAE)
- regia, Venericor regia (T.A. Conrad, 1865 †) - (CARDITIDAE) (FOSSIL)
- regia, Seila regia B.A. Marshall, 1978 - (CERITHIOPSIDAE)
- regia, Synthopsis regia B.A. Marshall, 1978 - (CERITHIOPSIDAE)
- regia, Socienna cracens regia (B.A. Marshall, 1979) - (CERITHIOPSIDAE)
- regia, Macedonica frauenfeldi regia H. Nordsieck, 1974 - (CLAUSILIIDAE)
- regia, Clavatula regia (P.F. Röding, 1798) - (CLAVATULIDAE)
- regia, Corbicula regia S. Clessin, 1879 - (CYRENIDAE)
- regia, Niso regia J.T. Kuroda & T. Habe, 1950 - syn of: Niso regina J.T. Kuroda & T. Habe, 1950 - (EULIMIDAE)
- regia, Puncturella regia (T. Shikama & T. Habe, 1961) - (FISSURELLIDAE)
- regia, Emarginula regia T. Habe, 1953 - (FISSURELLIDAE)
- regia, Vexitomina regia (L.A. Reeve, 1842) - (HORAICLAVIDAE)
- regia, Acesta regia (H.H. Suter, 1917 †) - (LIMIDAE) (FOSSIL)
- regia, Babelomurex regia J.T. Kuroda, 1979 - syn of: Babelomurex nakamigawai (J.T. Kuroda, 1959) - (MURICIDAE)
- regia, Aulacomya regia A.W.B. Powell, 1957 - (MYTILIDAE)
- regia, Sigatica regia (R.J.L. Guppy, 1873 †) - (NATICIDAE) (FOSSIL)
- regia, Eunaticina regia R.J.L. Guppy, 1873 † - syn of: Sigatica regia (R.J.L. Guppy, 1873 †) - (NATICIDAE) (FOSSIL)
- regia, Ostrea regia J.F. Gmelin, 1791 - syn of: Aequipecten opercularis (C. Linnaeus, 1758) - (OSTREIDAE)
- regia, Pinna regia L.A. Reeve, 1858 - syn of: Pinna bicolor J.F. Gmelin, 1791 - (PINNIDAE)
- regia, Laomarex regia (N.W. Gardner, 1968) - (PUNCTIDAE)
- regia, Paralaoma regia A.W.B. Powell, 1948 - (PUNCTIDAE)
- regia, Delos regia F.M. Climo, 1973 - (RHYTIDIDAE)
- regia, Tellina regia S.C.T. Hanley, 1844 - (TELLINIDAE)
- regia, Triphora regia K.H.J. Thiele, 1925 - (TRIPHORIDAE)
- regia, Cochlodinella regia C. de la Torre & P. Bartsch, 1972 - syn of: Orienticoptis regis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- regia, Pleurostemma geminata regia C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- regia, Melo regia G.H. Schubert & J.A. Wagner, 1829 - syn of: Melo amphora (J. Lightfoot, 1786) - (VOLUTIDAE)
- regia ecuadoriana, Macoma regia ecuadoriana H.A. Pilsbry & A.A. Olsson, 1941 - syn of: Macoma ecuadoriana (H.A. Pilsbry & A.A. Olsson, 1941) - (TELLINIDAE)
- regiamaensis, Xerocrassa regiamaensis (R.A.M. Brandt, 1959) - (HYGROMIIDAE)
- Regiclausilia, Genus Regiclausilia H. Nordsieck, 1981 (CLAUSILIIDAE) (FOSSIL)
- Regiconus, syn of: Genus Darioconus T. Iredale, 1930 (CONIDAE)
- Regidrillia, syn of: Genus Austrodrillia C. Hedley, 1918 (HORAICLAVIDAE)
- regifex, Tuberolechites regifex (M.R. Cooper & J. Kennedy, 1977 †) - (BACULITIDAE) (FOSSIL)
- regifica, Erycina regifica A.A. Olsson, 1914 † - (LASAEIDAE) (FOSSIL)
- regilla, Lucerapex casearia regilla T. Iredale, 1936 - (TURRIDAE)
- regillus, Spondylus tenellus regillus (T. Iredale, 1929) - (SPONDYLIDAE)
- regimaensis, Xerocrassa regimaensis R.A.M. Brandt, 1959 - syn of: Xerocrassa regiamaensis (R.A.M. Brandt, 1959) - (HYGROMIIDAE)
- regina, Platyla polita regina P. Subai, 1977 - (ACICULIDAE)
- regina, Baryspira regina M. Tomida & T. Ozawa, 1998 † - (ANCILLARIIDAE) (FOSSIL)
- regina, Sudeticeras regina Bisat, 1952 † - (ANTHRACOCERATIDAE) (FOSSIL)
- regina, Tomopleura regina (K.H.J. Thiele, 1925) - (BORSONIIDAE)
- regina, Bulimulus regina (T.E. Bowdich ex A.E.J. Férussac, 1822) - (BULIMULIDAE)
- regina, Admete regina W.H. Dall, 1911 - (CANCELLARIIDAE)
- regina, Cerion regina H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- regina, Strophiops regina W.H. Dall, 1905 - syn of: Cerion regina H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- regina, Hypselodoris regina Er. Marcus & Ev. Marcus, 1970 - (CHROMODORIDIDAE)
- regina, Selenophaedusa porphyrostoma regina H. Nordsieck, 2011 - (CLAUSILIIDAE)
- regina, Albinaria inchoata regina H. Nordsieck, 1972 - (CLAUSILIIDAE)
- regina, Vexillum regina (G.B. I Sowerby, 1828) - (COSTELLARIIDAE)
- regina, Vexillum regina J.M. Cate, 1961 - syn of: Vexillum filiareginae (J.M. Cate, 1961) - (COSTELLARIIDAE)
- regina, Vexillum regina W.J. Swainson, 1825 - syn of: Vexillum citrinum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- regina, Mauritia regina J.F. Gmelin, 1791 - syn of: Mauritia mauritiana (C. Linnaeus, 1758) - (CYPRAEIDAE)
- regina, Niso regina J.T. Kuroda & T. Habe, 1950 - (EULIMIDAE)
- regina, Helix regina T.E. Bowdich ex A.E.J. Férussac, 1822 - syn of: Bulimulus regina (T.E. Bowdich ex A.E.J. Férussac, 1822) - (HELICIDAE)
- regina, Viana regina (P.M.A. Morelet, 1849) - (HELICINIDAE)
- regina, Mitra regina G.B. I Sowerby, 1828 - syn of: Vexillum regina (G.B. I Sowerby, 1828) - (MITRIDAE)
- regina, Scabrotrophon regina (R. Houart, 1986) - (MURICIDAE)
- regina, Specula regina B.C. Cotton, 1951 - (NEWTONIELLIDAE)
- regina, Orbitestella regina E.A. Kay, 1979 - (ORBITESTELLIDAE)
- regina, Corona regina (A.E.J. Férussac, 1821) - (ORTHALICIDAE)
- regina, Megastomia regina (K.H.J. Thiele, 1925) - (PYRAMIDELLIDAE)
- regina, Turbonilla regina W.H. Dall & P. Bartsch, 1909 - (PYRAMIDELLIDAE)
- regina, Alvania regina S. Gofas, 1999 - (RISSOIDAE)
- regina, Basilissopsis regina (B.A. Marshall, 1983) - (SEGUENZIIDAE)
- regina, Tegula regina R.E.C. Stearns, 1892 - (TEGULIDAE)
- regina, Tellina regina A.E. Salisbury, 1934 - syn of: Tellina philippii H.E. Anton, 1844 - (TELLINIDAE)
- regina, Terebra regina G.P. Deshayes, 1857 - syn of: Terebra corrugata J.B.P.A. Lamarck, 1822 - (TEREBRIDAE)
- regina, Eselaevitrigonia regina (R.O. Wilckens, 1910 †) - (TRIGONIIDAE) (FOSSIL)
- regina, Nototriphora regina (C. Hedley, 1903) - (TRIPHORIDAE)
- regina, Truncatella regina L.R. Hubricht, 1983 - (TRUNCATELLIDAE)
- regina, Turbinella regina A. Heilprin, 1887 † - (TURBINELLIDAE) (FOSSIL)
- regina, Tylostoma regina Cragin, 1893 † - (TYLOSTOMATIDAE) (FOSSIL)
- regina brevispira, Cerion regina brevispira H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- regina comes, Cerion regina comes H.A. Pilsbry & E.G. Vanatta, 1895 - syn of: Cerion regina H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- regina eucosmium, Cerion regina eucosmium H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- regina filiareginae, Vexillum regina filiareginae J.M. Cate, 1961 - syn of: Vexillum filiareginae (J.M. Cate, 1961) - (COSTELLARIIDAE)
- regina laevigata, Viana regina laevigata L. Pfeiffer, 1865 - (HELICINIDAE)
- regina marmorata, Viana regina marmorata (C. de la Torre, 1950) - (HELICINIDAE)
- regina multistriata, Viana regina multistriata (L. Pfeiffer, 1852) - (HELICINIDAE)
- regina percostatum, Cerion regina percostatum H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- regina subunguiculata, Viana regina subunguiculata (F. Poey, 1859) - (HELICINIDAE)
- regina swiftii, Cerion regina swiftii H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- reginae, Leucotina reginae E. Saurin, 1959 - (AMATHINIDAE)
- reginae, Chloraea reginae (W.J. Broderip, 1841) - (BRADYBAENIDAE)
- reginae, Clavatula reginae R. Hoernes & M. Auinger, 1891 † - (CLAVATULIDAE) (FOSSIL)
- reginae, Myophorella reginae A.M. Pérez & al., 2008 † - (MYOPHORELLIDAE) (FOSSIL)
- reginaeformis, Laeorthalicus reginaeformis H. Strebel, 1909 - (ORTHALICIDAE)
- Reginaites, Genus Reginaites Reyment , 1957 (COLLIGNONICERATIDAE) (FOSSIL)
- reginajacksonis, Calorhadia reginajacksonis † - (NUCULANIDAE) (FOSSIL)
- reginamaris, Lischkeia reginamaris T. Habe & T.A. Okutani, 1981 - (CALLIOTROPIDAE)
- reginamaris, Pinna reginamaris C.J. Maury, 1930 † - (PINNIDAE) (FOSSIL)
- regiomontanum, Epitonium regiomontanum W.H. Dall, 1917 - syn of: Epitonium indianorum (P.P. Carpenter, 1865) - (EPITONIIDAE)
- regiorivi, Cingula regiorivi A.W. Janssen, 1967 † - (RISSOIDAE) (FOSSIL)
- regis, Zemitrella regis A.W.B. Powell, 1940 - (COLUMBELLIDAE)
- regis, Mitromorpha regis (A.W.B. Powell, 1937) - (MITROMORPHIDAE)
- regis, Turbonilla regis (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- regis, Attenuata regis (A.W.B. Powell, 1940) - (RISSOIDAE)
- regis, Nobolira regis A.W.B. Powell, 1940 - syn of: Attenuata regis (A.W.B. Powell, 1940) - (RISSOIDAE)
- regis, Gongylostomella regis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- regis, Orienticoptis regis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- regis, Macroceramus regis H.A. Pilsbry, 1930 - (UROCOPTIDAE)
- regis, Holospira regis H.A. Pilsbry & T.D.A. Cockerell, 1905 - (UROCOPTIDAE)
- regisborisi, Lindholmiola regisborisi (A.J. Wagner, 1928) - (HELICODONTIDAE)
- regisborisi, Caracollina regisborisi A.J. Wagner, 1928 - syn of: Lindholmiola regisborisi (A.J. Wagner, 1928) - (TRISSEXODONTIDAE)
- regiscorona, Aglaja regiscorona H.W. Bertsch, 1972 - (AGLAJIDAE)
- Registoma, syn of: Genus Pupina M. Vignard, 1829 (PUPINIDAE)
- registomoides, Rissoina registomoides J.C. Melvill & R. Standen, 1903 - (RISSOINIDAE)
- regium, Cerion regium W.H. Benson, 1841 - (CERIONIDAE)
- regium, Farcimen bilabiatum regium L.O. Alcalde, 1945 - (MEGALOMASTOMIDAE)
- regius, Stephanoconus regius (J.F. Gmelin, 1791) - (CONIDAE)
- regius, Conus regius C.H. Hwass, 1792 - syn of: Ductoconus princeps (C. Linnaeus, 1758) - (CONIDAE)
- regius, Conus regius P.F. Röding, 1798 - syn of: Rhombiconus imperialis (C. Linnaeus, 1758) - (CONIDAE)
- regius, Dendronotus regius M. Pola & C.C. Stout, 2008 - (DENDRONOTIDAE)
- regius, Clavus regius T. Habe & Murakami, 1970 - syn of: Clavus enna (W.H. Dall, 1918) - (DRILLIIDAE)
- regius, Takia regius (W.J. Swainson, 1821) - (MURICIDAE)
- regius, Hexaplex regius W.J. Swainson, 1821 - (MURICIDAE)
- regius, Murex regius G.H. Schubert & J.A. Wagner, 1829 - syn of: Hexaplex erythrostomus (W.J. Swainson, 1831) - (MURICIDAE)
- regius, Spondylus regius C. Linnaeus, 1758 - (SPONDYLIDAE)
- regius, Rectartemon regius (C.H.W.T. Löbbecke, 1881) - (STREPTAXIDAE)
- regius abbotti, Conus regius abbotti W.J. Clench, 1942 - syn of: Purpuriconus jucundus (G.B. III Sowerby, 1887) - (CONIDAE)
- regius cumingi, Spondylus regius cumingi G.B. Sowerby, 1847 - (SPONDYLIDAE)
- regleyana, Angaria regleyana G.P. Deshayes, 1832 † - (ANGARIIDAE) (FOSSIL)
- regleyi, Delphinula regleyi G.P. Deshayes, 1832 † - syn of: Angaria regleyana G.P. Deshayes, 1832 † - (ANGARIIDAE) (FOSSIL)
- regnans, Bathytoma regnans J.C. Melvill, 1918 - (BORSONIIDAE)
- regnardi, Chirosoma regnardi L.M.A.O.E. Joubin, 1912 - (CHIROTEUTHIDAE)
- regnardi, Mitrella regnardi (J.M.R.M. Viader, 1938) - (COLUMBELLIDAE)
- regnardi, Uptonia regnardi (A.V.M.D. D'Orbigny, 1844 †) - (POLYMORPHITIDAE) (FOSSIL)
- regoi, Gervillia regoi C.J. Maury, 1936 † - (MYALINIDAE) (FOSSIL)
- regoi, Neithea quadricostata regoi C.J. Maury, 1936 † - (PECTINIDAE) (FOSSIL)
- regoledanus, Frankites regoledanus (Mojsisovics, 1869 †) - (TRACHYCERATIDAE) (FOSSIL)
- regonae, Africonus regonae (E. Rolán & H. Trovão, 1990) - (CONIDAE)
- Regoria, Genus Regoria Freneix, 1960 (MYTILIDA (UNASSIGNED)) (FOSSIL)
- Regozara, syn of: Genus Vasticardium T. Iredale, 1927 (CARDIIDAE)
- Regterenia, Genus Regterenia L.A. de Rooij-Schuiling, 1972 (MESODESMATIDAE)
- regueroae, Kurtiella regueroae P.H. Valentich-Scott, 2012 - (MONTACUTIDAE)
- regula, Torresitrachia regula G.A. Solem, 1979 - (CAMAENIDAE)
- regula, Strophiops regula C.J. Maynard, 1894 - (CERIONIDAE)
- regula, Clydonacme regula F.G. Thompson, 2006 - (HUMBOLDTIANIDAE)
- regula, Malleus regula (P. Forsskål in C. Niebuhr, 1775) - (MALLEIDAE)
- regula, Ostrea regula P. Forsskål in C. Niebuhr, 1775 - syn of: Malleus regula (P. Forsskål in C. Niebuhr, 1775) - (OSTREIDAE)
- regulae, Cavolinia regulae P.O. Jung, 1971 † - (CAVOLINIIDAE) (FOSSIL)
- regulare, Pleuroceras regulare (C.T. Simpson, 1855 †) - (AMALTHEIDAE) (FOSSIL)
- regulare, Buccinum regulare H.C. Küster, 1858 - syn of: Nassarius kochianus (R.W. Dunker, 1846) - (BUCCINIDAE)
- regulare, Caecum regulare Carpenter, 1858 - (CAECIDAE)
- regulare, Protocardia regulare (Coquand, 1862 †) - (CARDIIDAE) (FOSSIL)
- regulare, Cardium regulare J.G. Bruguière, 1789 - syn of: Vasticardium pectiniforme (I. von Born, 1780) - (CARDIIDAE)
- regulare, Collignoniceras woollgari regulare (F. Haas, 1946 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- regulare, Conocardium regulare de Koninck, 1885 † - (CONOCARDIIDAE) (FOSSIL)
- regulare, Leptopoma regulare (L. Pfeiffer) - (CYCLOPHORIDAE)
- regulare, Dentalium regulare E.A. Smith, 1903 - (DENTALIIDAE)
- regulare, Epitonium regulare (K.H.J. Thiele, 1925) - (EPITONIIDAE)
- regulare, Epitonium regulare (P.P. Carpenter, 1857) - (EPITONIIDAE)
- regulare, Manticoceras regulare (Fenton, 1924 †) - (GEPHUROCERATIDAE) (FOSSIL)
- regulare, Orbignyiceras regulare (Till, 1910 †) - (OPPELIIDAE) (FOSSIL)
- regulare, Nodogastrioceras regulare X.T. Ma & Li, 1998 † - syn of: Nodogastrioceras discum X.T. Ma & Li, 1998 † - (PARAGASTRIOCERATIDAE) (FOSSIL)
- regulare, Ponticeras regulare Chao, 1956 † - (PONTICERATIDAE) (FOSSIL)
- regulare, Mooreoceras regulare J. Brown & al., 1964 † - (PSEUDORTHOCERATIDAE) (FOSSIL)
- regulare, Sphaerium regulare G. Mandahl-Barth, 1954 - (SPHAERIIDAE)
- regulare, Pisidium regulare T. Prime, 1852 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- regulare, Paratissotia regulare A. Hyatt, 1903 † - (TISSOTIIDAE) (FOSSIL)
- regulare, Campeloma regulare H.C. Lea, 1841 - (VIVIPARIDAE)
- regularia, Admetula regularia D.T. Dockery, 1984 † - (CANCELLARIIDAE) (FOSSIL)
- regularia, Acrocosmia regularia Pan, 1982 † - (COELOSTYLINIDAE) (FOSSIL)
- regularia, Plocezyga regularia Hoare & Sturgeon, 1980 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- regularicostatum, Maitaia regularicostatum Biakov, 2013 † - (ATOMODESMATIDAE) (FOSSIL)
- regularis, Mytilarca regularis J.W. Hall, 1883 † - (AMBONYCHIIDAE) (FOSSIL)
- regularis, Ammonites regularis C.T. Simpson, 1855 † - syn of: Pleuroceras solare (B. Phillips, 1829 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- regularis, Anthracosia regularis (Trueman †) - (ANTHRACOSIIDAE) (FOSSIL)
- regularis, Aviculopecten regularis Reed, 1944 † - (AVICULOPECTINIDAE) (FOSSIL)
- regularis, Bellerophon regularis L. Waagen 1880 † - (BELLEROPHONTIDAE) (FOSSIL)
- regularis, Volutopsius regularis W.H. Dall, 1873 - (BUCCINIDAE)
- regularis, Drymaeus regularis H.C. Fulton, 1905 - (BULIMULIDAE)
- regularis, Bulla regularis A.A. Gould, 1859 - syn of: Adamnestia arachis (J.R.C. Quoy & J.P. Gaimard, 1833) - (BULLIDAE)
- regularis, Bursa awatii regularis A.G. Beu, 1994 - (BURSIDAE)
- regularis, Lischkeia regularis (A.E. Verrill & S. Smith, 1880) - (CALLIOTROPIDAE)
- regularis, Hypanis regularis Y.I. Starobogatov, 2004 - (CARDIIDAE)
- regularis, Deceptrix regularis (Portlock, 1843 †) - (CARDIOLARIIDAE) (FOSSIL)
- regularis, Lazariella regularis (G.B. III Sowerby, 1913) - (CARDITIDAE)
- regularis, Pilaflexis regularis C.F. Laseron, 1951 - (CERITHIOPSIDAE)
- regularis, Chiton regularis P.P. Carpenter, 1855 - syn of: Tripoplax regularis (P.P. Carpenter, 1855) - (CHITONIDAE)
- regularis, Kaliella regularis O.F. von Möllendorff, 1901 - (CHRONIDAE)
- regularis, Agathylla regularis (L. Pfeiffer, 1861) - (CLAUSILIIDAE)
- regularis, Carinigera schuetti regularis H. Nordsieck, 1993 - (CLAUSILIIDAE)
- regularis, Turricula regularis Koninck, 1837 † - syn of: Orthosurcula regularis (Koninck, 1837 †) - (CLAVATULIDAE) (FOSSIL)
- regularis, Orthosurcula regularis (Koninck, 1837 †) - (COCHLESPIRIDAE) (FOSSIL)
- regularis, Dyris regularis Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- regularis, Carditella regularis G.B. Pritchard, 1901 † - (CONDYLOCARDIIDAE) (FOSSIL)
- regularis, Gradiconus regularis (G.B. I Sowerby, 1833) - (CONIDAE)
- regularis, Archaeospira regularis L.Y. Jiang, 1980 † - syn of: Oelandiella korobkovi (Vostokova, 1962 †) - (COREOSPIRIDAE) (FOSSIL)
- regularis, Corbicula regularis T. Prime, 1860 - syn of: Corbicula striatella G.P. Deshayes, 1854 - (CYRENIDAE)
- regularis, Sandbergeria regularis (Melleville, 1843 †) - (DIASTOMATIDAE) (FOSSIL)
- regularis, Discosorus regularis Lee, 1912 † - (DISCOSORIDAE) (FOSSIL)
- regularis, Clavus regularis (L.A. Reeve, 1846) - (DRILLIIDAE)
- regularis, Eatoniella kerguelenensis regularis (E.A. Smith, 1915) - (EATONIELLIDAE)
- regularis, Mastus regularis T.A. de M. Monterosato, 1892 - syn of: Jaminia pupa (C. Linnaeus, 1758) - (ENIDAE)
- regularis, Euthriofusus regularis (J. de C. Sowerby, 1823 †) - (FASCIOLARIIDAE) (FOSSIL)
- regularis, Fusus regularis J.de C. Sowerby, 1846 † - syn of: Penion subregularis (A.V.M.D. D'Orbigny, 1852 †) - (FASCIOLARIIDAE) (FOSSIL)
- regularis, Ferussacia regularis J.R. Bourguignat, 1860 - syn of: Ferussacia folliculus (J.S. Schröter, 1784) - (FERUSSACIIDAE)
- regularis, Gadila regularis (J. Henderson, 1920) - (GADILIDAE)
- regularis, Angyomphalus regularis W.J. Gordon & E.L. Yochelson, 1987 † - (GOSSELETINIDAE) (FOSSIL)
- regularis, Ocruranus regularis H.X. Liu, 1987 † - syn of: Ocruranus subpentaedrus H.X. Liu, 1979 † - (HALKIERIIDAE) (FOSSIL)
- regularis, Oelandiella regularis L.Y. Jiang, 1980 † - syn of: Oelandiella korobkovi (Vostokova, 1962 †) - (HELCIONELLIDAE) (FOSSIL)
- regularis, Yangtzespira regularis L.Y. Jiang, 1980 † - syn of: Oelandiella korobkovi (Vostokova, 1962 †) - (HELCIONELLIDAE) (FOSSIL)
- regularis, Panopea regularis A.E. Ortmann, 1900 † - (HIATELLIDAE) (FOSSIL)
- regularis, Dumortieria regularis (Buckman †) - (HILDOCERATIDAE) (FOSSIL)
- regularis, Georissa regularis J.F. Quadras & O.F. von Möllendorff, 1895 - (HYDROCENIDAE)
- regularis, Cernuella regularis W. Kobelt, 1907 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- regularis, Tripoplax regularis (P.P. Carpenter, 1855) - (ISCHNOCHITONIDAE)
- regularis, Eccyliopterus regularis (Remelé, 1888 †) - (LESUEURILLIDAE) (FOSSIL)
- regularis, Neoleymeriella regularis (A.V.M.D. D'Orbigny, 1841 †) - (LEYMERIELLIDAE) (FOSSIL)
- regularis, Escalima regularis A.W.B. Powell, 1955 - (LIMIDAE)
- regularis, Limatula regularis A.E. Verrill & K.J. Bush, 1898 - (LIMIDAE)
- regularis, Holopella regularis Lindström, 1884 † - (LOXONEMATIDAE) (FOSSIL)
- regularis, Fimbria regularis Fan, 1963 † - (LUCINIDAE) (FOSSIL)
- regularis, Radix socialis regularis (L. Maillard, 1892 †) - (LYMNAEIDAE) (FOSSIL)
- regularis, Mathilda regularis Meyer, 1886 † - (MATHILDIDAE) (FOSSIL)
- regularis, Mitra regularis K.C. Schauroth † - (MITRIDAE) (FOSSIL)
- regularis, Aclisina regularis Xi, 1980 † - (MURCHISONIIDAE) (FOSSIL)
- regularis, Phthonia regularis Barrande, 1881 † - (MYTILIDAE) (FOSSIL)
- regularis, Symmetromphalus regularis J.H. McLean, 1990 - (NEOMPHALIDAE)
- regularis, Oleacina regularis (J. Gundlach in L. Pfeiffer, 1857) - (OLEACINIDAE)
- regularis, Coronopsis regularis C.O. Waterhouse, 1963 † - (OMPHALOTROCHIDAE) (FOSSIL)
- regularis, Ecculiomphalus regularis Remelé, 1888 † - syn of: Eccyliopterus regularis (Remelé, 1888 †) - (OPHILETIDAE) (FOSSIL)
- regularis, Orthoceras regularis (Schlotheim, 1820 †) - (ORTHOCERATIDAE) (FOSSIL)
- regularis, Knightella regularis Wang, 1980 † - (ORTHONEMIDAE) (FOSSIL)
- regularis, Ancylus regularis D.S. Brown, 1973 - (PLANORBIDAE)
- regularis, Gyraulus regularis J.D.W. Hartmann, 1844 - syn of: Gyraulus laevis (J. Alder, 1838) - (PLANORBIDAE)
- regularis, Plicatula regularis R.A. Philippi, 1849 - (PLICATULIDAE)
- regularis, Arcodonta regularis J.C.W. Cope, 1999 † - (PRAENUCULIDAE) (FOSSIL)
- regularis, Gari regularis P.P. Carpenter, 1864 - (PSAMMOBIIDAE)
- regularis, Pseudotirolites regularis J.K. Zhao & al., 1978 † - (PSEUDOTIROLITIDAE) (FOSSIL)
- regularis, Laoma regularis L. Pfeiffer, 1855 - (PUNCTIDAE)
- regularis, Pupilla regularis C.A. Westerlund, 1898 - syn of: Columella columella (G. Von Martens, 1830) - (PUPILLIDAE)
- regularis, Chrysallida regularis L. de Folin, 1870 - syn of: Odostomella doliolum (R.A. Philippi, 1844) - (PYRAMIDELLIDAE)
- regularis, Abra regularis (E.A. Smith, 1885) - (SEMELIDAE)
- regularis, Semele regularis P.P. Carpenter, 1857 - syn of: Semele rosea (G.B. I Sowerby, 1833) - (SEMELIDAE)
- regularis, Semele regularis W.H. Dall, 1915 - syn of: Semele pallida (G.B. I Sowerby, 1833) - (SEMELIDAE)
- regularis, Solen regularis R.W. Dunker, 1862 - (SOLENIDAE)
- regularis, Soleniscus regularis (Cox, 1857 †) - (SOLENISCIDAE) (FOSSIL)
- regularis, Sphaerodoma regularis (Cox 1857 †) - (SPHAERODOMIDAE) (FOSSIL)
- regularis, Guizhoupecten regularis C. Chen, 1962 † - (STREBLOCHONDRIIDAE) (FOSSIL)
- regularis, Streptacis regularis Pan & Erwin, 2002 † - (STREPTACIDIDAE) (FOSSIL)
- regularis, Strophomenia regularis H. Heath, 1911 - (STROPHOMENIIDAE)
- regularis, Subulites regularis Ulrich & Scofield, 1897 † - (SUBULITIDAE) (FOSSIL)
- regularis, Tellina regularis E.A. Smith, 1904 - syn of: Tellina canonica A.E. Salisbury, 1934 - (TELLINIDAE)
- regularis, Tellina regularis P.P. Carpenter, 1857 - syn of: Semele rosea (G.B. I Sowerby, 1833) - (TELLINIDAE)
- regularis, Solariorbis regularis (C.B. Adams, 1852) - (TORNIDAE)
- regularis, Tropidodiscus regularis Yü, 1961 † - (TROPIDODISCIDAE) (FOSSIL)
- regularis, Turris regularis Koninck, 1837 † - syn of: Orthosurcula regularis (Koninck, 1837 †) - (TURRIDAE) (FOSSIL)
- regularis, Sigmesalia regularis (G.P. Deshayes, 1861 †) - (TURRITELLIDAE) (FOSSIL)
- regularis, Unio regularis Fric, 1869 † - (UNIONIDAE) (FOSSIL)
- regularis, Costellipitar regularis (E.A. Smith, 1885) - (VENERIDAE)
- regularis, Pachymelon regularis (H.E. Finley, 1926 †) - (VOLUTIDAE) (FOSSIL)
- regularis, Xenophora regularis T. Habe & T.A. Okutani, 1983 - syn of: Xenophora granulosa W.F. Ponder, 1983 - (XENOPHORIDAE)
- regularis, Yoldia regularis A.E. Verrill, 1884 - syn of: Megayoldia thraciaeformis (D.H. Storer, 1838) - (YOLDIIDAE)
- regularis, Megayoldia regularis A.E. Verrill, 1884 - syn of: Megayoldia thraciaeformis (D.H. Storer, 1838) - (YOLDIIDAE)
- regularis belgica, Orthosurcula regularis belgica (G.A. Goldfuss, 1844 †) - (COCHLESPIRIDAE) (FOSSIL)
- regularis castellastuana, Agathylla regularis castellastuana (A.J. Wagner, 1918) - (CLAUSILIIDAE)
- regularis koeneni, Euthriofusus regularis koeneni L. Dolin & Renard, 1980 † - (FASCIOLARIIDAE) (FOSSIL)
- regularis magdalenensis, Conus regularis magdalenensis P. Bartsch & H.A. Rehder, 1939 - syn of: Gradiconus regularis (G.B. I Sowerby, 1833) - (CONIDAE)
- regularis recurvus, Conus regularis recurvus W.J. Broderip, 1833 - syn of: Gradiconus recurvus (W.J. Broderip, 1833) - (CONIDAE)
- regularis scalarissimus, Gradiconus regularis scalarissimus A.J. Da Motta, 1988 - syn of: Gradiconus scalarissimus (A.J. Da Motta, 1988) - (CONIDAE)
- Regularites, Genus Regularites Lyashenko, 1985 (POLYCYLINDRITIDAE) (FOSSIL)
- regularoidea, Simnia regularoidea T.H. Aldrich 1921 - (OVULIDAE)
- regularum, Reticuloceras regularum Bisat & Hudson, 1943 † - (RETICULOCERATIDAE) (FOSSIL)
- regulata, Calliotropis regulata (A.R. Delile) - (CALLIOTROPIDAE)
- regulata, Paludomus regulata W.H. Benson, 1856 - (PALUDOMIDAE)
- regulata, Pleurotomaria regulata J.W. Hall, 1861 † - syn of: Ptychomphalina regulata (J.W. Hall, 1861 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- regulata, Ptychomphalina regulata (J.W. Hall, 1861 †) - (PTYCHOMPHALIDAE) (FOSSIL)
- regulatus, Euphemites regulatus Moore, 1941 † - (EUPHEMITIDAE) (FOSSIL)
- regulatus, Poecilomorphus regulatus Buckman † - (HAPLOCERATIDAE) (FOSSIL)
- regulbiensis, Caestocorbula regulbiensis (P. Morris, 1854 †) - (CORBULIDAE) (FOSSIL)
- Regulifer, Genus Regulifer Fόrsich & Werner, 1987 (MYTILIDA (UNASSIGNED)) (FOSSIL)
- regulocostata, Ananias regulocostata Yin & E.L. Yochelson, 1983 † - (GOSSELETINIDAE) (FOSSIL)
- regulocostus, Corrugopecten regulocostus C.O. Waterhouse, 1982 † - (DELTOPECTINIDAE) (FOSSIL)
- regulosa, Pleurotomaria regulosa J. Perner, 1903 † - syn of: Ptychomphalina regulosa (J. Perner, 1903 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- regulosa, Ptychomphalina regulosa (J. Perner, 1903 †) - (PTYCHOMPHALIDAE) (FOSSIL)
- regulosa, Ganesa regulosa G.O. Sars, 1878 - syn of: Skenea rugulosa (G.O. Sars, 1878) - (SKENEIDAE)
- regulosum, Cerithiopsis regulosum C.B. Adams, 1850 - (CERITHIOPSIDAE)
- regulus, Pareuthria regulus (R.B. Watson, 1882) - (BUCCINIDAE)
- regulus, Probuccinum regulus R.B. Watson, 1882 - syn of: Pareuthria regulus (R.B. Watson, 1882) - (BUCCINIDAE)
- regulus, Columbella regulus S.M. Souverbie, 1864 - syn of: Zafra pumila (R.W. Dunker, 1858) - (COLUMBELLIDAE)
- regulus, Cameroceras regulus K.E.I. von Eichwald, 1860 † - (ENDOCERATIDAE) (FOSSIL)
- regulus, Lophoceras regulus (K.E.I. von Eichwald, 1857 †) - (KONINCKIOCERATIDAE) (FOSSIL)
- regulus, Oenopota regulus W.H. Dall, 1919 - syn of: Granotoma krausei regulus (W.H. Dall, 1919) - (MANGELIIDAE)
- regulus, Granotoma krausei regulus (W.H. Dall, 1919) - (MANGELIIDAE)
- regulus, Nautilus regulus K.E.I. von Eichwald, 1857 † - syn of: Lophoceras regulus (K.E.I. von Eichwald, 1857 †) - (NAUTILIDAE) (FOSSIL)
- regum, Epitonium regum W.H. Dall, 1917 - syn of: Epitonium catalinae W.H. Dall, 1908 - (EPITONIIDAE)
- regus, Conus regus H.C. Küster, 1838 - syn of: Ductoconus princeps (C. Linnaeus, 1758) - (CONIDAE)
- regustatum, Paltechioceras regustatum S.S. Buckman, 1914 † - (ECHIOCERATIDAE) (FOSSIL)
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