-
Babylonites acutus
E.L. Yochelson, 1956 † (FOSSIL)
-
Omphalotrochus alleni
E.L. Yochelson, 1956 † (FOSSIL)
-
Bassotrochus angulatus
Tassell, 1978 † (FOSSIL)
-
Omphalotrochus antiquus
(A.V.M.D. D'Orbigny, 1842 †) (FOSSIL)
-
Diploconula biconvexa
E.L. Yochelson, 1956 † (FOSSIL)
-
Pseudomphalotrochus bonapartensis
Cook, 1998 † (FOSSIL)
-
Omphalotrochus canaliculatus
Trautschold, 1879 † (FOSSIL)
-
Babylonites carinatus
E.L. Yochelson, 1956 † (FOSSIL)
-
Orecopia circinatus
(Fenton & Fenton, 1924 †) (FOSSIL)
-
Pseudomphalotrochus clarkei
(de Koninck, 1876 †) (FOSSIL)
-
Cinclidonema clausepeakensis
(Kulas & Batten, 1997 †) (FOSSIL)
-
Omphalotrochus cochisensis
E.L. Yochelson, 1956 † (FOSSIL)
-
Babylonites conicus
E.L. Yochelson, 1956 † (FOSSIL)
-
Babylonites conoideus
(Girty, 1908 †) (FOSSIL)
-
Coronopsis coroniformis
Pan, 1982 † (FOSSIL)
-
Orecopia cotei
Pedder, 1966 † (FOSSIL)
-
Pseudomphalotrochus cottrelli
(E.G. Linsley & E.L. Yochelson, 1973 †) (FOSSIL)
-
Trochonemopsis emacerata
(J.W. Hall & R.P. Whitfield, 1872 †) (FOSSIL)
-
Babylonites ferrieri
(Girty, 1908 †) (FOSSIL)
-
Pseudomphalotrochus gibsoni
(L. Hoffman, 1969 †) (FOSSIL)
-
Omphalotrochus hessensis
E.L. Yochelson, 1956 † (FOSSIL)
-
Pseudomphalotrochus incrustatus
(E.G. Linsley & E.L. Yochelson, 1973 †) (FOSSIL)
-
Fujispira japonica
T. Kase & Nishida, 1986 † (FOSSIL)
-
Orecopia kadzielniae
(Gürich, 1896 †) (FOSSIL)
-
Omphalotrochus kalitvaensis
Licharev, 1940 † (FOSSIL)
-
Omphalotrochus kalmiussi
Zernetskaya, 1967 † (FOSSIL)
-
Omphalotrochus karakubensis
Zernetskaya, 1967 † (FOSSIL)
-
Labrocuspis kobayashii
T. Kase & Nishida, 1986 † (FOSSIL)
-
Pseudomphalotrochus leonhardi
(d'Archiac & de Verneuil, 1842 †) (FOSSIL)
-
Pseudomphalotrochus linsleyi
Blodgett, 1992 † (FOSSIL)
-
Archaeosphera lithoides
(Kirchner, 1915 †) (FOSSIL)
-
Cinclidonema marocensis
Heidelberger & al., 2009 † (FOSSIL)
-
Orecopia mccoyi
(Walcott, 1884 †) (FOSSIL)
-
Trochonemopsis meekanum
Miller, 1889 † (FOSSIL)
-
Archaeosphera minimus
(Kirchner, 1915 †) (FOSSIL)
-
Orecopia murrayi
Tassell, 1978 † (FOSSIL)
-
Labrocuspis nodosa
Heidecker, 1959 † (FOSSIL)
-
Omphalotrochus obtusispira
(Shumard, 1859 †) (FOSSIL)
-
Pseudomphalotrochus philosophus
(Whidborne, 1889 †) (FOSSIL)
-
Orecopia priscum
(Schlotheim, 1820 †) (FOSSIL)
-
Trochonemopsis rectilatera
(J.W. Hall & R.P. Whitfield, 1872 †) (FOSSIL)
-
Coronopsis regularis
C.O. Waterhouse, 1963 † (FOSSIL)
-
Bassotrochus serpenteus
(Talent, 1963 †) (FOSSIL)
-
Archaeosphera simbergi
Heidelberger, 2001 † (FOSSIL)
-
Sylvestria soetenichensis
(Kirchner, 1915 †) (FOSSIL)
-
Omphalotrochus spinosus
E.L. Yochelson, 1956 † (FOSSIL)
-
Cinclidonema texanum
Knight, 1945 † (FOSSIL)
-
Babylonites turritus
E.L. Yochelson, 1956 † (FOSSIL)
-
Coronopsis vagrans
C.O. Waterhouse, 1963 † (FOSSIL)
-
Archaeosphera wachtbergi
(Kirchner, 1915 †) (FOSSIL)
-
Omphalotrochus whitneyi
F.B. Meek, 1864 † (FOSSIL)
-
Pseudomphalotrochus winnipegosis
(E.G. Linsley & E.L. Yochelson, 1973 †) (FOSSIL)
-
Omphalotrochus wolfcampensis
E.L. Yochelson, 1956 † (FOSSIL)
-
Trochonemopsis yandellana
(J.W. Hall & R.P. Whitfield, 1872 †) (FOSSIL)
-
Sylvestria zimmermanni
Heidelberger & Koch, 2005 † (FOSSIL)
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