-
Murchisonia aciculata
J.W. Hall, 1860 † (FOSSIL)
-
Hormotoma aculeata
Billings, 1866 † (FOSSIL)
-
Hormotoma acuminata
Parks, 1915 † (FOSSIL)
-
Murchisonia (Cheilotoma) acuta
(Münster, 1841 †) (FOSSIL)
-
Cheilotomona acutocarinata
Tong & Erwin, 2001 † (FOSSIL)
-
Aclisina acutula
(Dawson, 1868 †) (FOSSIL)
-
Hormotoma agilis
Billings, 1865 † (FOSSIL)
-
Murchisonia akidota
E.G. Linsley, 1968 † (FOSSIL)
-
Murchisonia (Ostioma) albanica
Tassell, 1980 † (FOSSIL)
-
Coelocaulus alceste
J. Perner, 1907 † (FOSSIL)
-
Murchisonia allevata
J. Perner, 1907 † (FOSSIL)
-
Altadema altadema
Mazaev, 2003 † (FOSSIL)
-
Hormotoma altesinuata
E.F.R.K. Koken & J. Perner, 1925 † (FOSSIL)
-
Morania altevittata
(Spitz, 1907 †) (FOSSIL)
-
Hormotoma amii
McLearn, 1924 † (FOSSIL)
-
Murchisonia anderdoniae
E.G. Linsley, 1968 † (FOSSIL)
-
Murchisonia anglica
d'Orbigny, 1850 † (FOSSIL)
-
Crenulazona angulata
E.G. Linsley, 1968 † (FOSSIL)
-
Murchisonia angulata
(von Schlotheim, 1820 †) (FOSSIL)
-
Murchisonia angulata marginata
Lotz, 1900 † (FOSSIL)
-
Murchisonia angustetaeniata
Paeckelmann, 1922 † (FOSSIL)
-
Hormotoma anna
Billings, 1859 † (FOSSIL)
-
Hormotoma antigonishensis
Peel, 1977 † (FOSSIL)
-
Hormotoma antiqua
Peel, 1977 † (FOSSIL)
-
Catazone apate
J. Perner, 1907 † (FOSSIL)
-
Murchisonia archiaci
Paeckelmann, 1922 † (FOSSIL)
-
Murchisonia arctica
(Tolmachoff, 1930 †) (FOSSIL)
-
Plethospira arenaria
(Billings, 1859 †) (FOSSIL)
-
Catazone argolis
J. Perner, 1907 † (FOSSIL)
-
Vebericochlis arguta
Licharev, 1975 † (FOSSIL)
-
Hormotoma arisaigensis
J.W. Hall, 1860 † (FOSSIL)
-
Murchisonia (Goniospira) armata
(Münster, 1841 †) (FOSSIL)
-
Hormotoma artemesia
Billings, 1865 † (FOSSIL)
-
Hormotoma articulata
(Murchison, 1839 †) (FOSSIL)
-
Diplozone attava
J. Perner, 1907 † (FOSSIL)
-
Morania attenuata
(Lindström, 1884 †) (FOSSIL)
-
Murchisonia auctor
Mawson & al., 2002 † (FOSSIL)
-
Vladanella avia
Horný, 1992 † (FOSSIL)
-
Cheilotomona avisii
(Böhm, 1895 †) (FOSSIL)
-
Murchisonia bachelieri
M. Rouault 1851 † (FOSSIL)
-
Murchisonia basalestriata
Heidelberger, 2001 † (FOSSIL)
-
Murchisonia bassensis
Tassell, 1978 † (FOSSIL)
-
Bellazona bella
(Walcott, 1884 †) (FOSSIL)
-
Aclisina beneventa
Dietze, 1911 † (FOSSIL)
-
Diplozone beraultensis
(Barrande in J. Perner, 1907 †) (FOSSIL)
-
Murchisonia biarmica
Kutorga, 1842 † (FOSSIL)
-
Cyrtostropha bicincta
(F. McCoy, 1844 †) (FOSSIL)
-
Hormotoma bilineata
(Flower, 1968 †) (FOSSIL)
-
Murchisonia bilineata
(Dechen, 1832 †) (FOSSIL)
-
Murchisonia (Cheilotoma) bipunctata
(Münster, 1841 †) (FOSSIL)
-
Hormotoma bistriata
A.H. Clarke & Swartz, 1913 † (FOSSIL)
-
Aclisina bisulcata
Chronic, 1952 † (FOSSIL)
-
Murchisonia (Ostioma) bloomfieldia
Tassell, 1980 † (FOSSIL)
-
Cheilotomona blumi
(Wissmann, 1841 †) (FOSSIL)
-
Morania boltoni
Peel, 1975 † (FOSSIL)
-
Catazone boylei
(Nicholson, 1872 †) (FOSSIL)
-
Aclisina breva
Sayre, 1930 † (FOSSIL)
-
Murchisonia brevis
F.A. Roemer, 1856 † (FOSSIL)
-
Arribazona burovi
Mazaev, 2015 † (FOSSIL)
-
Plethospira caledoniensis
Longst, 1924 † (FOSSIL)
-
Murchisonia (Cheilotoma) calosoma
(Laube, 1868 †) (FOSSIL)
-
Murchisonia cambria
J. Donald, 1905 † (FOSSIL)
-
Pitcherellus cancellatus
Lamont, 1978 † (FOSSIL)
-
Plethospira cannonensis
Stauffer, 1937 † (FOSSIL)
-
Plethospira cassandra
(Billings 1865 †) (FOSSIL)
-
Hormotoma cassina
(R.P. Whitfield, 1897 †) (FOSSIL)
-
Plethospira cassina
(R.P. Whitfield, 1886 †) (FOSSIL)
-
Cyrtostropha cava
(Lindström, 1884 †) (FOSSIL)
-
Cibecuia cedarensis
Winters, 1956 † (FOSSIL)
-
Hormotoma centervillensis
Foerste, 1923 † (FOSSIL)
-
Trypanocochlea cerithioides
(E.F.R.K. Koken, 1896 †) (FOSSIL)
-
Catazone changningensis
Xi & Yu, 1990 † (FOSSIL)
-
Murchisonia chapmani
Williams & M. Breger 1916 † (FOSSIL)
-
Coelocaulus chlupaci
Horný, 1953 † (FOSSIL)
-
Murchisonia cicela
Billings, 1865 † (FOSSIL)
-
Catazone cingulata
(W.v. Hisinger, 1829 †) (FOSSIL)
-
Coelocaulus clavata
J. Perner, 1907 † (FOSSIL)
-
Coelocaulus columna
J. Perner, 1907 † (FOSSIL)
-
Aclisina compacta
J. Donald, 1898 † (FOSSIL)
-
Michelia compacta
(J.W. Hall, 1859 †) (FOSSIL)
-
Catazone compressa
(Lindström, 1884 †) (FOSSIL)
-
Murchisonia concava
Spitz, 1907 † (FOSSIL)
-
Hormotoma concinnus
Horný, 1952 † (FOSSIL)
-
Hormotoma confusa
R.P. Whitfield, 1889 † (FOSSIL)
-
Murchisonia conradi
J.W. Hall, 1868 † (FOSSIL)
-
Altadema convexa
B.S. Kues, 2002 † (FOSSIL)
-
Murchisonia convexa
Spitz, 1907 † (FOSSIL)
-
Murchisonia conveximarginata
Wang, 1980 † (FOSSIL)
-
Cyrtostropha coralli
(J. de C. Sowerby & Murchison, 1839 †) (FOSSIL)
-
Hormotoma cotterensis
Cullison, 1944 † (FOSSIL)
-
Altadema cryptocarina
Mazaev, 2003 † (FOSSIL)
-
Catazone cuneus
J. Perner, 1907 † (FOSSIL)
-
Coelocaulus cybele
J. Perner, 1907 † (FOSSIL)
-
Michelia cylindrica
F.A. Roemer, 1855 † (FOSSIL)
-
Michelia darwini
de Koninck, 1876 † (FOSSIL)
-
Coelocaulus davidsoni
(Oehlert, 1877 †) (FOSSIL)
-
Coelocaulus decipiens
J. Perner, 1907 † (FOSSIL)
-
Morania declivis
(J. Perner, 1903 †) (FOSSIL)
-
Murchisonia declivisdiot
J. Perner, 1903 † (FOSSIL)
-
Murchisonia deflexa
Lindström, 1884 † (FOSSIL)
-
Murchisonia defrancei
d'Archiac & de Verneuil, 1842 † (FOSSIL)
-
Murchisonia delagei
E.C. Munier-Chalmas, 1876 † (FOSSIL)
-
Mesocoelia delicata
J. Perner, 1907 † (FOSSIL)
-
Murchisonia deludisubzona
E.G. Linsley, 1968 † (FOSSIL)
-
Catazone demidoffi
(Murchison & al., 1845 †) (FOSSIL)
-
Murchisonia densilineata
Wang, 1980 † (FOSSIL)
-
Coelocaulus desideratus
(J.W. Hall, 1859 †) (FOSSIL)
-
Arribazona devispira
Mazaev, 2003 † (FOSSIL)
-
Plethospira difficilis
(R.P. Whitfield, 1890 †) (FOSSIL)
-
Mesocoelia discrepans
J. Perner, 1907 † (FOSSIL)
-
Cibecuia divarica
Batten, 1985 † (FOSSIL)
-
Hormotoma doquieri
A.W. Grabau, 1922 † (FOSSIL)
-
Murchisonia dornapica
Heidelberger & Amler, 2002 † (FOSSIL)
-
Murchisonia dowlingii
J.J.F. Whiteaves, 1892 † (FOSSIL)
-
Hormotoma dubia
Cullison, 1944 † (FOSSIL)
-
Hormotoma dubia
J. Donald, 1899 † (FOSSIL)
-
Murchisonia dublinensis
(Stauffer, 1909 †) (FOSSIL)
-
Murchisonia dudleyensis
J. Donald, 1902 † (FOSSIL)
-
Lodanaria ecclesiae
(A.H. Clarke & Swartz, 1913 †) (FOSSIL)
-
Catazone egregium
(Billings, 1874 †) (FOSSIL)
-
Murchisonia eichwaldi
E.F.R.K. Koken, 1889 † (FOSSIL)
-
Cheilotomona elegans
Yin & E.L. Yochelson, 1983 † (FOSSIL)
-
Murchisonia elegans
Sollas, 1879 † (FOSSIL)
-
Plethospira emanuelensis
Yu, 1993 † (FOSSIL)
-
Vladanella enigma
Horný, 1992 † (FOSSIL)
-
Coelocaulus estella
(Billings, 1865 †) (FOSSIL)
-
Gyrodoma etheridgei
(Cresswell, 1893 †) (FOSSIL)
-
Catazone eversolensis
Stauffer, 1909 † (FOSSIL)
-
Hormotoma exilis
d''Eichwald, 1860 † (FOSSIL)
-
Plethospira extensa
J. Heller, 1954 † (FOSSIL)
-
Murchisonia extenuata
J.W. Hall 1859 † (FOSSIL)
-
Hormotoma fascinata
Ulrich & Scofield, 1897 † (FOSSIL)
-
Murchisonia fermioni
Tassell, 1982 † (FOSSIL)
-
Hormotomina fiacrensis
Blodgett & al., 1999 † (FOSSIL)
-
Murchisonia (Goniospira) filosa
J. Donald, 1902 † (FOSSIL)
-
Glyphodeta fimbricarinata
(A.T. Young & Armstrong, 1874 †) (FOSSIL)
-
Lodanaria floryi
Blodgett & Johnson, 1992 † (FOSSIL)
-
Plethospira floweri
Fortey & Peel, 1990 † (FOSSIL)
-
Murchisonia fornicata
Spitz, 1907 † (FOSSIL)
-
Biangularia frechi
Spitz, 1907 † (FOSSIL)
-
Coelocaulus fugitiva
J. Perner, 1903 † (FOSSIL)
-
Hormotoma funata
Billings, 1866 † (FOSSIL)
-
Murchisonia fusiformis
(B. Phillips, 1836 †) (FOSSIL)
-
Hormotoma gigantea
(Billings, 1857 †) (FOSSIL)
-
Aclisina golconda
Thein & Nitecki, 1974 † (FOSSIL)
-
Cibecuia gouldii
(Beede, 1907 †) (FOSSIL)
-
Murchisonia gourvenneci
Blodgett & al., 2003 † (FOSSIL)
-
Hormotoma gracilens
R.P. Whitfield, 1889 † (FOSSIL)
-
Murchisonia gracilicrista
E.G. Linsley, 1968 † (FOSSIL)
-
Devonocerithioides gracilis
Heidelberger, 2001 † (FOSSIL)
-
Hormotoma gracilis
(J.W. Hall, 1847 †) (FOSSIL)
-
Hormotoma gracilis angustatus
(J.W. Hall, 1847 †) (FOSSIL)
-
Hormotoma gracilis goodhuensis
Ulrich & Scofield, 1897 † (FOSSIL)
-
Hormotoma gracilis multivolvis
Ulrich & Scofield, 1897 † (FOSSIL)
-
Hormotoma gracilis sublaxa
Ulrich & Scofield, 1897 † (FOSSIL)
-
Murchisonia gracilis
G.A. Goldfuss, 1844 † (FOSSIL)
-
Hormotoma gracillima
Salter, 1859 † (FOSSIL)
-
Murchisonia (Goniospira) gracillima
J. Perner, 1907 † (FOSSIL)
-
Hormotoma grayiana
J. Donald, 1899 † (FOSSIL)
-
Mesocoelia gregaria
Ruedemann, 1916 † (FOSSIL)
-
Morania griffithi
(J. Donald, 1899 †) (FOSSIL)
-
Murchisonia gubleri
Delpey, 1941 † (FOSSIL)
-
Costataenia hayasakai
A. Nützel & Nakazawa, 2012 † (FOSSIL)
-
Murchisonia hebe
Billings, 1874 † (FOSSIL)
-
Murchisonia hercynica
A. Römer, 1843 † (FOSSIL)
-
Arribazona hesperita
B.S. Kues, 1990 † (FOSSIL)
-
Wuxuanella hibernia
(Heidelberger, 2001 †) (FOSSIL)
-
Murchisonia holynensis
Frýda & Manda, 1997 † (FOSSIL)
-
Loxisonia hormotoma
Batten, 1985 † (FOSSIL)
-
Hormotoma hyale
Billings, 1865 † (FOSSIL)
-
Hormotoma inceptor
Longstaff, 1909 † (FOSSIL)
-
Mesocoelia iners
J. Perner, 1907 † (FOSSIL)
-
Murchisonia infrequens
Billings, 1859 † (FOSSIL)
-
Diplozone innocens
J. Perner, 1907 † (FOSSIL)
-
Hormotoma insignis
d''Eichwald, 1860 † (FOSSIL)
-
Murchisonia intercedens
J.W. Hall, 1879 † (FOSSIL)
-
Murchisonia intermedia
Stauffer, 1909 † (FOSSIL)
-
Murchisonia jackjelli
Cook, 1997 † (FOSSIL)
-
Mesocoelia janus
J. Perner, 1907 † (FOSSIL)
-
Murchisonia kanekoi
(T. Kase & Nishida, 1986 †) (FOSSIL)
-
Coelocaulus karlae
Rohr & al., 2003 † (FOSSIL)
-
Arribazona kasanensis
(Netchaev, 1894 †) (FOSSIL)
-
Murchisonia kendalensis
McCoy † (FOSSIL)
-
Murchisonia kirchnera
Heidelberger, 2001 † (FOSSIL)
-
Murchisonia kokeni
Wittenburg, 1908 † (FOSSIL)
-
Murchisonia laphami
J.W. Hall, 1860 † (FOSSIL)
-
Arribazona lata
(Netchaev, 1894 †) (FOSSIL)
-
Mendelia lata
Frýda, 1998 † (FOSSIL)
-
Hormotoma latifasciatum
R. Etheridge jr., 1878 † (FOSSIL)
-
Catazone latona
J. Perner, 1907 † (FOSSIL)
-
Murchisonia lawlessi
Cook & Camilleri, 1997 † (FOSSIL)
-
Coelocaulus lebescontei
Oehlert & Oehlert, 1888 † (FOSSIL)
-
Murchisonia leda
J.W. Hall, 1861 † (FOSSIL)
-
Mesocoelia libera
J. Perner, 1907 † (FOSSIL)
-
Coelocaulus linearis
(Billings, 1859 †) (FOSSIL)
-
Hormotomina linsleyi
Fagerstrom, 1961 † (FOSSIL)
-
Altadema lira
Mazaev, 2003 † (FOSSIL)
-
Vladanella lirata
(Tyler, 1965 †) (FOSSIL)
-
Wuxuanella liufengshanensis
Cook & Pan, 2004 † (FOSSIL)
-
Murchisonia lochkoviensis
Frýda & Manda, 1997 † (FOSSIL)
-
Murchisonia lohrheimi
Heidelberger, 2001 † (FOSSIL)
-
Arribazona longispira
Mazaev, 2015 † (FOSSIL)
-
Coelocaulus longispira
(J.W. Hall, 1852 †) (FOSSIL)
-
Devonocerithioides loxonemoides
(Whidborne, 1892 †) (FOSSIL)
-
Hormotoma lutiensis
Cullison, 1944 † (FOSSIL)
-
Vebericochlis maclayi
Licharev, 1967 † (FOSSIL)
-
Cyrtostropha macrospira
(J.W. Hall, 1852 †) (FOSSIL)
-
Cibecuia magnum
Mazaev, 2002 † (FOSSIL)
-
Hormotomina maia
(J.W. Hall, 1861 †) (FOSSIL)
-
Murchisonia margaritata
Lotz, 1900 † (FOSSIL)
-
Vladanella mariannae
Horný, 1992 † (FOSSIL)
-
Murchisonia marri
J. Donald, 1895 † (FOSSIL)
-
Gyrodoma marylandica
(A.H. Clarke & Swartz, 1913 †) (FOSSIL)
-
Diplozone maturoglabra
Horný 1994 † (FOSSIL)
-
Vebericochlis mazaevi
A. Nützel & Nakazawa, 2012 † (FOSSIL)
-
Murchisonia megathanae
Blodgett & Johnson, 1992 † (FOSSIL)
-
Hormotoma meryenorfi
E.F.R.K. Koken, 1897 † (FOSSIL)
-
Hormotoma meyendorfi
E.F.R.K. Koken, 1897 † (FOSSIL)
-
Murchisonia micula
Miller, 1877 † (FOSSIL)
-
Murchisonia minerva
d'Archiac & de Verneuil 1841 † (FOSSIL)
-
Aclisina minima
(Shumard & Swallow, 1858 †) (FOSSIL)
-
Hormotoma minnesotensis
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Aclisina minuta
(Stevens, 1858 †) (FOSSIL)
-
Murchisonia minuta
A.W. Grabau & Sherzer, 1910 † (FOSSIL)
-
Hormotoma moderata
Flower, 1968 † (FOSSIL)
-
Cyrtostropha monoliniformis
(Lindström, 1884 †) (FOSSIL)
-
Cyrtostropha morinensis
(Horný, 1952 †) (FOSSIL)
-
Hormotoma multivolvis
(Billings, 1857 †) (FOSSIL)
-
Lodanaria munda
Dahmer, 1925 † (FOSSIL)
-
Murchisonia mylitta
Billings, 1865 † (FOSSIL)
-
Micrentoma nana
(de Koninck, 1881 †) (FOSSIL)
-
Hormotoma neglecta
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Murchisonia nerinea
C.L.F. von Sandberger & C.L.F. von Sandberger, 1855 † (FOSSIL)
-
Catazone nevadana
Blodgett & Johnson, 1992 † (FOSSIL)
-
Hormotoma nigra
Longst, 1924 † (FOSSIL)
-
Morania nixonforkensis
Rohr & al., 2008 † (FOSSIL)
-
Arribazona nodolira
Mazaev, 2003 † (FOSSIL)
-
Wuxuanella nodusa
Cook & Pan, 2004 † (FOSSIL)
-
Aclisina northviewensis
R.M. Branson, 1938 † (FOSSIL)
-
Murchisonia obesa
Whidborne, 1892 † (FOSSIL)
-
Cyrtostropha obscura
(Portlock, 1843 †) (FOSSIL)
-
Mesocoelia obstipisutura
E.G. Linsley, 1968 † (FOSSIL)
-
Murchisonia (Cheilotoma) obtusa
(Klipstein, 1843 †) (FOSSIL)
-
Murchisonia obtusangula
Lindström, 1884 † (FOSSIL)
-
Murchisonia oegensis
Heidelberger & Koch, 2005 † (FOSSIL)
-
Coelocaulus oehlerti
Ulrich & Scofield, 1897 † (FOSSIL)
-
Leptorima oehlerti
(J. Perner, 1903 †) (FOSSIL)
-
Murchisonia oehlerti
Blodgett & al., 1999 † (FOSSIL)
-
Hormotoma ordosensis
Yü, 1961 † (FOSSIL)
-
Murchisonia ordovicia
Yü, 1961 † (FOSSIL)
-
Hormotoma ordovix
J. Donald, 1902 † (FOSSIL)
-
Cerithiozone ornata
A. Nützel & Nakazawa, 2012 † (FOSSIL)
-
Cyrtostropha pacifica
J. Perner, 1907 † (FOSSIL)
-
Murchisonia padangensis
Fliegel, 1901 † (FOSSIL)
-
Murchisonia paeckelmanni
Heidelberger & Koch, 2005 † (FOSSIL)
-
Murchisonia pagodeformis
Kirchner, 1915 † (FOSSIL)
-
Morania paradoxa
(Lindström, 1884 †) (FOSSIL)
-
Aclisina parallela
Sayre, 1930 † (FOSSIL)
-
Trypanocochlea parva
A. Nützel & Nakazawa, 2012 † (FOSSIL)
-
Hormotoma patriciaensis
Parks, 1915 † (FOSSIL)
-
Vistilia paucivoluta
Yin & E.L. Yochelson, 1983 † (FOSSIL)
-
Hormotomina penduliobesa
E.G. Linsley, 1968 † (FOSSIL)
-
Cheilotomona pentagonum
Yu & al., 1974 † (FOSSIL)
-
Coelocaulus perlonga
J. Perner, 1907 † (FOSSIL)
-
Trypanocochlea permiana
Xi, 1974 † (FOSSIL)
-
Michelia persimilis
C.M. Poulsen, 1974 † (FOSSIL)
-
Murchisonia petila
J.W. Hall & R.P. Whitfield, 1872 † (FOSSIL)
-
Hormotoma piperi
J. Donald, 1899 † (FOSSIL)
-
Murchisonia placida
Billings, 1865 † (FOSSIL)
-
Michelia planogyrata
J.W. Hall, 1859 † (FOSSIL)
-
Murchisonia plumleyi
Blodgett, 1992 † (FOSSIL)
-
Catazone podolica
(Wenjukov, 1899 †) (FOSSIL)
-
Bellazona polita
W.J. Gordon & E.L. Yochelson, 1987 † (FOSSIL)
-
Hormotoma polita
J. Donald, 1902 † (FOSSIL)
-
Coelocaulus pollens
J. Perner, 1907 † (FOSSIL)
-
Murchisonia pragensis
Frýda & Manda, 1997 † (FOSSIL)
-
Hormotoma prava
R.P. Whitfield, 1886 † (FOSSIL)
-
Mesocoelia priscum
(Münster, 1840 †) (FOSSIL)
-
Murchisonia pritchardi
R. Etheridge jr., 1898 † (FOSSIL)
-
Wuxuanella pseudobinodosa
(Heidelberger, 2001 †) (FOSSIL)
-
Murchisonia pygmaea
Rowley, 1895 † (FOSSIL)
-
Lodanaria quadricarinata
(Stauffer, 1909 †) (FOSSIL)
-
Mesocoelia quarki
Tassell, 1982 † (FOSSIL)
-
Aclisina regularis
Xi, 1980 † (FOSSIL)
-
Eohormotomina restisevoluta
M.A. Frey & al., 2014 † (FOSSIL)
-
Diplozone retusa
J. Perner, 1907 † (FOSSIL)
-
Murchisonia reverdyi
Oehlert, 1877 † (FOSSIL)
-
Hormotoma robusta
J. Donald, 1902 † (FOSSIL)
-
Catazone robustula
J. Perner, 1907 † (FOSSIL)
-
Plethospira rotunda
Flower, 1968 † (FOSSIL)
-
Hormotoma rotundivolvis
Roy, 1941 † (FOSSIL)
-
Hormotoma rudis
d''Eichwald, 1860 † (FOSSIL)
-
Cyrtostropha salteri
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Cyrtostropha salteri canadensis
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Cyrtostropha salteri nitida
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Cyrtostropha salteri ottawaensis
Wilson, 1951 † (FOSSIL)
-
Cyrtostropha salteri tennesseensis
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Murchisonia sandbergeri
Paeckelmann, 1922 † (FOSSIL)
-
Murchisonia sandbergi
Paeckelmann, 1922 † (FOSSIL)
-
Cyrtostropha scitula
J. Donald, 1902 † (FOSSIL)
-
Hormotoma scrobiculata
E.F.R.K. Koken & J. Perner, 1925 † (FOSSIL)
-
Cyrtostropha sculpta
J. Perner, 1907 † (FOSSIL)
-
Murchisonia selenalta
Heidelberger, 2001 † (FOSSIL)
-
Murchisonia sera
Böhm, 1895 † (FOSSIL)
-
Brilonella serpens
(Kayser, 1872 †) (FOSSIL)
-
Parahormotomina sibertae
Blodgett & al., 1999 † (FOSSIL)
-
Murchisonia sibleyensis
E.G. Linsley, 1968 † (FOSSIL)
-
Hormotoma similis
Donald † (FOSSIL)
-
Murchisonia similis
Trenkner, 1868 † (FOSSIL)
-
Hormotoma simplex
Wilson, 1932 † (FOSSIL)
-
Hormotoma simplex paquettensis
Wilson, 1951 † (FOSSIL)
-
Murchisonia simplex
McCoy † (FOSSIL)
-
Cibecuia sinelnikovae
Mazaev, 2002 † (FOSSIL)
-
Murchisonia sosiensis
C. Gemmellaro, 1889 † (FOSSIL)
-
Murchisonia sphaerulata
J. Donald, 1887 † (FOSSIL)
-
Wuxuanella spinacavus
(Heidelberger, 2001 †) (FOSSIL)
-
Murchisonia steltenbergensis
Heidelberger & Koch, 2005 † (FOSSIL)
-
Murchisonia steltenbergensis monocincta
Heidelberger & Koch, 2005 † (FOSSIL)
-
Coelocaulus strebloceras
(A.H. Clarke, 1907 †) (FOSSIL)
-
Aclisina striatula
(de Koninck, 1844 †) (FOSSIL)
-
Hormotoma striatula
Longst, 1924 † (FOSSIL)
-
Catazone styloidea
J. Perner, 1907 † (FOSSIL)
-
Hormotoma subangulata
Ulrich & Scofield, 1897 † (FOSSIL)
-
Murchisonia subcarinata
Sherzer & A.W. Grabau, 1910 † (FOSSIL)
-
Murchisonia (Cheilotoma) subgranulata
(Klipstein, 1843 †) (FOSSIL)
-
Murchisonia subornata
de Koninck, 1883 † (FOSSIL)
-
Cyrtostropha subplicata
(Lindström, 1884 †) (FOSSIL)
-
Aclisina subsutra
Wang, 1982 † (FOSSIL)
-
Murchisonia subulata
Tyler, 1965 † (FOSSIL)
-
Murchisonia subulata
(T.A. Conrad, 1842 †) (FOSSIL)
-
Mesocoelia suspecta
J. Perner, 1907 † (FOSSIL)
-
Murchisonia taltiensis
Tschernischeff, 1893 † (FOSSIL)
-
Murchisonia tatei
J. Donald, 1892 † (FOSSIL)
-
Michelia tenera
J. Perner, 1907 † (FOSSIL)
-
Michelia tenue
A.H. Clarke, 1907 † (FOSSIL)
-
Hormotoma tenuifilosa
J. Donald, 1906 † (FOSSIL)
-
Murchisonia tenuissima
J. Donald, 1887 † (FOSSIL)
-
Aclisina terebra
J. Donald, 1898 † (FOSSIL)
-
Mesocoelia terebrans
J. Perner, 1907 † (FOSSIL)
-
Glyphodeta terebriformis
(J.W. Hall, 1856 †) (FOSSIL)
-
Hormotoma teretiformis
(Billings, 1857 †) (FOSSIL)
-
Murchisonia tillesae
Blodgett & Johnson, 1992 † (FOSSIL)
-
Cyrtostropha torquata
(F. McCoy, 1851 †) (FOSSIL)
-
Leptorima townsendii
(J.J.F. Whiteaves, 1895 †) (FOSSIL)
-
Murchisonia treponema
Whidborne, 1892 † (FOSSIL)
-
Murchisonia tricincta
d'Archiac & de Verneuil, 1842 † (FOSSIL)
-
Murchisonia trilineata
(F. Sandberger & G. Sandberger, 1854 †) (FOSSIL)
-
Murchisonia (Cheilotoma) tristriata
(Münster, 1841 †) (FOSSIL)
-
Arribazona tschernyschewi
(Jakowlew, 1899 †) (FOSSIL)
-
Glyphodeta tschernyschewi
J. Donald 1895 † (FOSSIL)
-
Murchisonia turbinata
H.G. Bronn, 1856 † (FOSSIL)
-
Murchisonia turriculata
de Koninck, 1883 † (FOSSIL)
-
Murchisonia turriformis
Grünberg, 1927 † (FOSSIL)
-
Murchisonia turris
de Koninck, 1876 † (FOSSIL)
-
Coelocaulus turritiformis
(J.W. Hall, 1852 †) (FOSSIL)
-
Plethospira ulrichi
Schuchert, 1900 † (FOSSIL)
-
Plethospira ventricosa
Ulrich & Scofield, 1897 † (FOSSIL)
-
Hormotoma vesta
Billings, 1865 † (FOSSIL)
-
Murchisonia vicariana
Whidborne, 1892 † (FOSSIL)
-
Murchisonia vincta
(J.W. Hall, 1856 †) (FOSSIL)
-
Morania vsinuata
Horný, 1953 † (FOSSIL)
-
Morania wagneri
Rohr & al., 2008 † (FOSSIL)
-
Murchisonia wandovalensis
Cook & Camilleri, 1997 † (FOSSIL)
-
Devonocerithioides whidborni
(Frýda, 2000 †) (FOSSIL)
-
Michelia whiteavesi
(A.H. Clarke & Ruedemann, 1903 †) (FOSSIL)
-
Hormotoma wilsoni
Okulitch, 1935 † (FOSSIL)
-
Hormotoma winnipegensis
J.J.F. Whiteaves, 1897 † (FOSSIL)
-
Crenulazona wuxuanensis
Cook & Pan, 2004 † (FOSSIL)
-
Murchisonia xanthippe
Billings, 1865 † (FOSSIL)
-
Akasakiella yabei
(I. Hayasaka, 1943 †) (FOSSIL)
-
Micrentoma yunnanensis
(Mansuy, 1919 †) (FOSSIL)
-
Diplozone zeuneri
(F.A. Roemer, 1852 †) (FOSSIL)
-
Murchisonia zimmermanni
Heidelberger & Koch, 2005 † (FOSSIL)
-
Coelocaulus zonaria
J. Perner, 1907 † (FOSSIL)
-
Glyphodeta zonata
(J. Donald, 1887 †) (FOSSIL)
-
Chambersius zonatus
Lamont, 1978 † (FOSSIL)
-
Loxisonia zygopleuroides
Batten, 1985 † (FOSSIL)
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