-
Genus: Barynema Fraunfelter, 1973 † (DB: 2 SP)
-
Barynema lirata
(J.W. Hall, 1860 †) (FOSSIL)
-
Barynema multilirata
(J.W. Hall, 1859 †) (FOSSIL)
-
Genus: Basiplanus Heidelberger, 2001 † (DB: 1 SP)
-
Basiplanus baldus
Heidelberger, 2001 † (FOSSIL)
-
Genus: Brokenriveria Cook & Camilleri, 1997 † (DB: 4 SP)
-
Brokenriveria caelatus
(G.A. Goldfuss, 1844 †) (FOSSIL)
-
Brokenriveria caleata
(G.A. Goldfuss, 1844 †) (FOSSIL)
-
Brokenriveria pharlapensis
Cook & Camilleri, 1997 † (FOSSIL)
-
Brokenriveria virginensis
Cook & al., 2003 † (FOSSIL)
-
Genus: Cancellator Horný, 1992 † (DB: 2 SP)
-
Cancellator belua
Horný, 1992 † (FOSSIL)
-
Cancellator rohri
Frýda & Manda, 1997 † (FOSSIL)
-
Genus: Cancelloplatyceras Cook & al., 2003 † (DB: 1 SP)
-
Cancelloplatyceras abowsheri
Cook & al., 2003 † (FOSSIL)
-
Genus: Compsonema Gordon & Yochelson, 1983 † (DB: 1 SP)
-
Compsonema fragile
W.J. Gordon & E.L. Yochelson, 1983 † (FOSSIL)
-
Genus: Crossoceras Boucot & Yochelson, 1966 † (DB: 2 SP)
-
Crossoceras belandi
Boucot & E.L. Yochelson, 1966 † (FOSSIL)
-
Crossoceras newberryi
(J.W. Hall, 1860 †) (FOSSIL)
-
Genus: Cyclonema Hall, 1852 † (DB: 78 SP)
-
Cyclonema aiens
(Sardeson, 1896 †) (FOSSIL)
-
Cyclonema ampullosum
J. Perner, 1903 † (FOSSIL)
-
Cyclonema ananas
J. Perner, 1903 † (FOSSIL)
-
Cyclonema apicatum
Lindström, 1884 † (FOSSIL)
-
Cyclonema bellulum
Billings, 1866 † (FOSSIL)
-
Cyclonema bilix
(T.A. Conrad, 1842 †) (FOSSIL)
-
Cyclonema boreale
C.M. Poulsen, 1974 † (FOSSIL)
-
Cyclonema canaliculata
Angelin & Lindström, 1880 † (FOSSIL)
-
Cyclonema cancellatum
Angelin & Lindström, 1880 † (FOSSIL)
-
Cyclonema cives
J. Perner, 1903 † (FOSSIL)
-
Cyclonema compar
J. Perner, 1903 † (FOSSIL)
-
Cyclonema composita
J. Perner, 1903 † (FOSSIL)
-
Cyclonema consepultum
J. Perner, 1903 † (FOSSIL)
-
Cyclonema convergens
J. Perner, 1903 † (FOSSIL)
-
Cyclonema crebristria
(F. McCoy, 1851 †) (FOSSIL)
-
Cyclonema cushingi
Ruedemann, 1912 † (FOSSIL)
-
Cyclonema daytonensis
Foerste, 1899 † (FOSSIL)
-
Cyclonema decora
Billings, 1866 † (FOSSIL)
-
Cyclonema delicatula
Lindström, 1884 † (FOSSIL)
-
Cyclonema derelictum
J. Perner, 1903 † (FOSSIL)
-
Cyclonema dowlingii
(J.J.F. Whiteaves, 1906 †) (FOSSIL)
-
Cyclonema fasciata
A.D. Ball, 1938 † (FOSSIL)
-
Cyclonema filicinctus
J.J.F. Whiteaves, 1904 † (FOSSIL)
-
Cyclonema formosum
J. Perner, 1903 † (FOSSIL)
-
Cyclonema gracile
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema guilleri
Barrois, 1889 † (FOSSIL)
-
Cyclonema gyronemoides
Foerste, 1923 † (FOSSIL)
-
Cyclonema hageri
Billings, 1865 † (FOSSIL)
-
Cyclonema hallianum
Salter, 1859 † (FOSSIL)
-
Cyclonema hiiumaa
Teichert, 1928 † (FOSSIL)
-
Cyclonema humerosum
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema inaequistriatum
E.F.R.K. Koken & J. Perner, 1925 † (FOSSIL)
-
Cyclonema inflatum
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema infrequens
J. Perner, 1907 † (FOSSIL)
-
Cyclonema inopinata
J. Perner, 1907 † (FOSSIL)
-
Cyclonema intermedium
(Bradley, 1930 †) (FOSSIL)
-
Cyclonema karlsteinensis
J. Perner, 1903 † (FOSSIL)
-
Cyclonema laudabile
J. Perner, 1903 † (FOSSIL)
-
Cyclonema lepidula
(J. Perner, 1903 †) (FOSSIL)
-
Cyclonema leptonotum
(W.J. Raymond, 1905 †) (FOSSIL)
-
Cyclonema limatum
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema lineatum
E.F.R.K. Koken, 1897 † (FOSSIL)
-
Cyclonema lydiamariarum
Peel, 1975 † (FOSSIL)
-
Cyclonema margaritoides
(J.J.F. Whiteaves, 1897 †) (FOSSIL)
-
Cyclonema marylandense
Prosser & Kindle, 1913 † (FOSSIL)
-
Cyclonema mediale
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema minuta
(J.W. Hall, 1845 †) (FOSSIL)
-
Cyclonema modestum
C.M. Poulsen, 1974 † (FOSSIL)
-
Cyclonema montrealense
Billings, 1865 † (FOSSIL)
-
Cyclonema niagarensis
Winchell & Marcy, 1866 † (FOSSIL)
-
Cyclonema nodulosum
Lindström, 1884 † (FOSSIL)
-
Cyclonema obsolescens
J.W. Hall, 1876 † (FOSSIL)
-
Cyclonema parvimedium
McLearn, 1924 † (FOSSIL)
-
Cyclonema percarinata
(J.W. Hall, 1847 †) (FOSSIL)
-
Cyclonema percingulatum
Billings, 1857 † (FOSSIL)
-
Cyclonema praecipitum
(Ulrich & Scofield, 1897 †) (FOSSIL)
-
Cyclonema pyramidatum
M.J. James † (FOSSIL)
-
Cyclonema repertum
Reed † (FOSSIL)
-
Cyclonema rupestre
(K.E.I. von Eichwald, 1856 †) (FOSSIL)
-
Cyclonema servus
(J. Perner, 1903 †) (FOSSIL)
-
Cyclonema simulans
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema statshiunaica
Saladzius, 1966 † (FOSSIL)
-
Cyclonema sublaeve
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema subundata
Northrop, 1939 † (FOSSIL)
-
Cyclonema sulcifera
d'Eichwald, 1856 † (FOSSIL)
-
Cyclonema sulphuriferum
J. Perner, 1903 † (FOSSIL)
-
Cyclonema supralirata
Rohr & Smith, 1978 † (FOSSIL)
-
Cyclonema tenuissimum
Lindström, 1884 † (FOSSIL)
-
Cyclonema textilis
(Miller, 1897 †) (FOSSIL)
-
Cyclonema thalia
Billings, 1857 † (FOSSIL)
-
Cyclonema timidum
J. Perner, 1903 † (FOSSIL)
-
Cyclonema transversum
Ulrich & Scofield, 1897 † (FOSSIL)
-
Cyclonema trepidans
J. Perner, 1903 † (FOSSIL)
-
Cyclonema undifera
(McCoy) † (FOSSIL)
-
Cyclonema varians
Billings, 1857 † (FOSSIL)
-
Cyclonema varicosum
J.W. Hall, 1861 † (FOSSIL)
-
Cyclonema varispirum
Twenhofel, 1928 † (FOSSIL)
-
Cyclonema ventricosa
J.W. Hall, 1852 † (FOSSIL)
-
Subgenus: Cyclonema (Dyeria) Ulrich & Scofield, 1897 † (DB: 1 SP)
-
Cyclonema (Dyeria) costatus
(M.J. James, 1872 †) (FOSSIL)
-
Genus: Devononema Fraunfelter, 1973 † (DB: 1 SP)
-
Devononema typicum
Fraunfelter, 1973 † (FOSSIL)
-
Genus: Euthyrhachis Tyler, 1965 † (DB: 3 SP)
-
Euthyrhachis blatchleyi
(Kindle, 1900 †) (FOSSIL)
-
Euthyrhachis indianense
(Miller & Gurley, 1897 †) (FOSSIL)
-
Euthyrhachis vulgaris
(J. Perner, 1907 †) (FOSSIL)
-
Genus: Keeneia Etheridge Jr., 1902 † (DB: 8 SP)
-
Keeneia afflicta
Wass, 1967 † (FOSSIL)
-
Keeneia carnarvonensis
Dickins, 1957 † (FOSSIL)
-
Keeneia hesdoensis
(Sahni & Dutt, 1959 †) (FOSSIL)
-
Keeneia occasa
E.M. Fletcher 1958 † (FOSSIL)
-
Keeneia ocula
(Sowerby, 1838 †) (FOSSIL)
-
Keeneia platyschismoides
R. Etheridge jr., 1902 † (FOSSIL)
-
Keeneia pristina
P.A. Maxwell 1964 † (FOSSIL)
-
Keeneia twelvetreesi
Dun, 1913 † (FOSSIL)
-
Genus: Leptozone Perner, 1907 † (DB: 1 SP)
-
Leptozone esthetica
J. Perner, 1907 † (FOSSIL)
-
Genus: Lotzia Heidelberger, 2001 † (DB: 3 SP)
-
Lotzia blodgetti
Heidelberger & Koch, 2005 † (FOSSIL)
-
Lotzia neglecta
(B. Phillips, 1841 †) (FOSSIL)
-
Lotzia schaeferkalki
Heidelberger, 2001 † (FOSSIL)
-
Genus: Naticellina Perner, 1911 † (DB: 1 SP)
-
Naticellina suavis
(J. Perner, 1907 †) (FOSSIL)
-
Genus: Naticonema Perner, 1903 † (DB: 3 SP)
-
Naticonema kauffmani
Peel, 1975 † (FOSSIL)
-
Naticonema similare
J. Perner, 1903 † (FOSSIL)
-
Naticonema similaris
J. Perner, 1903 † (FOSSIL)
-
Genus: Naticonoda Heidelberger, 2001 † (DB: 2 SP)
-
Naticonoda elegans
Heidelberger, 2001 † (FOSSIL)
-
Naticonoda prieuri
Heidelberger, 2001 † (FOSSIL)
-
Genus: Natirhenia Heidelberger, 2001 † (DB: 1 SP)
-
Natirhenia margaritifera
(d'Archiac & de Verneuil, 1842 †) (FOSSIL)
-
Genus: Nonorios Horný, 1997 † (DB: 4 SP)
-
Nonorios carnicus
(Vinassa de Regny, 1914 †) (FOSSIL)
-
Nonorios kleistos
Ebbestad & al., 2008 † (FOSSIL)
-
Nonorios pater
(J. Perner, 1903 †) (FOSSIL)
-
Nonorios pectinata
(J. Perner, 1903 †) (FOSSIL)
-
Genus: Obscuropsis Horný, 1992 † (DB: 1 SP)
-
Obscuropsis perplexa
Horný, 1992 † (FOSSIL)
-
Genus: Paffrathia Frýda, 2000 † (DB: 2 SP)
-
Paffrathia aarica
Heidelberger, 2001 † (FOSSIL)
-
Paffrathia lotzi
(Frýda, 1998 †) (FOSSIL)
-
Genus: Palaeocapulus Grabau & Shimer, 1909 † (DB: 6 SP)
-
Palaeocapulus acutirostre
(J.W. Hall, 1856 †) (FOSSIL)
-
Palaeocapulus equilateralis
(J.W. Hall, 1859 †) (FOSSIL)
-
Palaeocapulus morsei
Hoare, 2004 † (FOSSIL)
-
Palaeocapulus piso
(Walcott, 1884 †) (FOSSIL)
-
Palaeocapulus trigonus
(G.A. Goldfuss, 1844 †) (FOSSIL)
-
Palaeocapulus undata
(Winchell, 1865 †) (FOSSIL)
-
Genus: Paraplatyschisma Waterhouse, 1983 † (DB: 2 SP)
-
Paraplatyschisma etheridgei
C.O. Waterhouse, 1987 † (FOSSIL)
-
Paraplatyschisma rotunda
(Etheridge, 1872 †) (FOSSIL)
-
Genus: Platyceras Conrad, 1840 † (DB: 114 SP)
-
Platyceras abundans
(J. Wanner, 1922 †) (FOSSIL)
-
Platyceras ammon
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras angulatum
J.W. Hall, 1852 † (FOSSIL)
-
Platyceras angustum
(B. Phillips, 1836 †) (FOSSIL)
-
Platyceras argo
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras attenuatum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras auriculatum
J.W. Hall, 1876 † (FOSSIL)
-
Platyceras billingsi
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras bistrami
Knod, 1908 † (FOSSIL)
-
Platyceras bucculentum
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras callossum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras canalicatum
Angelin & Lindström, 1880 † (FOSSIL)
-
Platyceras carinatum
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras chapmani
Williams & M. Breger, 1916 † (FOSSIL)
-
Platyceras colonus
Holzapfel, 1895 † (FOSSIL)
-
Platyceras columbinus
(Whidborne, 1889 †) (FOSSIL)
-
Platyceras compressum
Jhaveri, 1969 † (FOSSIL)
-
Platyceras compressum
A.H. Clarke & Swartz, 1913 † (FOSSIL)
-
Platyceras compressum
Nettleroth † (FOSSIL)
-
Platyceras compressus
T.A. Conrad 1840 † (FOSSIL)
-
Platyceras compressus
(G.A. Goldfuss, 1832 †) (FOSSIL)
-
Platyceras conicum
(J.W. Hall, 1862 †) (FOSSIL)
-
Platyceras contortum
Barrois, 1889 † (FOSSIL)
-
Platyceras contortus
(A. Römer, 1843 †) (FOSSIL)
-
Platyceras cordatus
Whidborne, 1889 † (FOSSIL)
-
Platyceras crassum
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras cymbium
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras daschi
Rohr & Smith, 1978 † (FOSSIL)
-
Platyceras decorum
Talent & Philip, 1956 † (FOSSIL)
-
Platyceras dilatans
J. Perner, 1911 † (FOSSIL)
-
Platyceras dilatatum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras disciforme
Lindström, 1884 † (FOSSIL)
-
Platyceras dormitans
Maurer, 1885 † (FOSSIL)
-
Platyceras duriculatum
J.W. Hall, 1879 † (FOSSIL)
-
Platyceras eberti
Holzapfel, 1895 † (FOSSIL)
-
Platyceras echinatum
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras edmundi
Williams & M. Breger, 1916 † (FOSSIL)
-
Platyceras elongatum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras emmemmjae
Cook & Jell, 2016 † (FOSSIL)
-
Platyceras encloides
Weller, 1906 † (FOSSIL)
-
Platyceras erectum
J.W. Hall, 1843 † (FOSSIL)
-
Platyceras euomphaloides
(McCoy) † (FOSSIL)
-
Platyceras evolutus
Weller, 1906 † (FOSSIL)
-
Platyceras expansus
T.A. Conrad, 1842 † (FOSSIL)
-
Platyceras fecundum
J. Perner, 1911 † (FOSSIL)
-
Platyceras galeritus
(Whidborne, 1891 †) (FOSSIL)
-
Platyceras gaspense
A.H. Clarke, 1908 † (FOSSIL)
-
Platyceras gibbosum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras glenparkensis
Weller, 1906 † (FOSSIL)
-
Platyceras gracilis
C.L.F. von Sandberger, 1842 † (FOSSIL)
-
Platyceras guesnini
A.H. Clarke, 1908 † (FOSSIL)
-
Platyceras hainensis
Maurer, 1885 † (FOSSIL)
-
Platyceras haliotis
(de Sowerby & Murchison, 1839 †) (FOSSIL)
-
Platyceras haliotoides
F.B. Meek & A.H. Worthen, 1866 † (FOSSIL)
-
Platyceras hebes
A.H. Clarke, 1907 † (FOSSIL)
-
Platyceras holzapfeli
Spitz, 1907 † (FOSSIL)
-
Platyceras humulus
J. Perner, 1911 † (FOSSIL)
-
Platyceras kahlebergensis
Beushausen, 1884 † (FOSSIL)
-
Platyceras laevicostatum
Knod, 1908 † (FOSSIL)
-
Platyceras latum
Keyes, 1888 † (FOSSIL)
-
Platyceras leboutillieri
A.H. Clarke, 1907 † (FOSSIL)
-
Platyceras lejeunii
A.H. Clarke, 1908 † (FOSSIL)
-
Platyceras lineare
Kindle, 1900 † (FOSSIL)
-
Platyceras magnificum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras mansfieldense
Tassell, 1977 † (FOSSIL)
-
Platyceras marylandicum
A.H. Clarke & Swartz, 1913 † (FOSSIL)
-
Platyceras minutum
A.C. Chapman, 1916 † (FOSSIL)
-
Platyceras multiplicatus
(Giebel, 1858 †) (FOSSIL)
-
Platyceras nasutum
Miller, 1891 † (FOSSIL)
-
Platyceras nettersheimensis
Heidelberger, 2003 † (FOSSIL)
-
Platyceras neverovoensis
Mazaev, 1996 † (FOSSIL)
-
Platyceras niagarensis
J.W. Hall, 1852 † (FOSSIL)
-
Platyceras nodosum
T.A. Conrad, 1841 † (FOSSIL)
-
Platyceras oehlerti
Spitz, 1907 † (FOSSIL)
-
Platyceras oxynotum
Girty, 1929 † (FOSSIL)
-
Platyceras paralium
White & R.P. Whitfield, 1862 † (FOSSIL)
-
Platyceras parasiticum
Trautschold, 1867 † (FOSSIL)
-
Platyceras patelliforme
Holzapfel, 1895 † (FOSSIL)
-
Platyceras pericompsus
(Whidborne, 1891 †) (FOSSIL)
-
Platyceras perneri
Tolmachoff, 1930 † (FOSSIL)
-
Platyceras platystomum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras plicatile
J.W. Hall, 1879 † (FOSSIL)
-
Platyceras priscum
G.A. Goldfuss, 1844 † (FOSSIL)
-
Platyceras producti
Frech, 1911 † (FOSSIL)
-
Platyceras pulcherrimum
Rowley, 1908 † (FOSSIL)
-
Platyceras reflexum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras rete
Lamont † (FOSSIL)
-
Platyceras richtum
J.W. Hall, 1879 † (FOSSIL)
-
Platyceras rictum
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras robustum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras sigmoidale
B. Phillips, 1841 † (FOSSIL)
-
Platyceras sinuatum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras spirale
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras squamosus
Trenkner, 1868 † (FOSSIL)
-
Platyceras steinmanni
A.H. Clarke, 1899 † (FOSSIL)
-
Platyceras subcirculare
Kindle † (FOSSIL)
-
Platyceras subelegans
Girty, 1910 † (FOSSIL)
-
Platyceras subrotundum
Snider, 1915 † (FOSSIL)
-
Platyceras subumbonatum
Northrop, 1939 † (FOSSIL)
-
Platyceras symmetricum
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras terminalis
(Whidborne, 1889 †) (FOSSIL)
-
Platyceras thetis
J.W. Hall, 1862 † (FOSSIL)
-
Platyceras trilobatum
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras trojani
Blodgett & Johnson, 1992 † (FOSSIL)
-
Platyceras uncinatus
F.A. Roemer, 1852 † (FOSSIL)
-
Platyceras undata
J.W. Hall, 1859 † (FOSSIL)
-
Platyceras unicus
J.W. Hall, 1879 † (FOSSIL)
-
Platyceras ussheri
(Whidborne, 1891 †) (FOSSIL)
-
Platyceras verisimile
Reed † (FOSSIL)
-
Platyceras verrucosum
Barrois, 1889 † (FOSSIL)
-
Platyceras vetusta
(Sowerby, 1829 †) (FOSSIL)
-
Platyceras villmarensis
Basse & Heidelberger, 2002 † (FOSSIL)
-
Platyceras yochelsoni
Kulas & Batten, 1997 † (FOSSIL)
-
Platyceras zinkeni
A. Römer, 1843 † (FOSSIL)
-
Subgenus: Platyceras (Platyostoma) Conrad, 1842 † (DB: 46 SP)
-
Platyceras (Platyostoma) adstrictum
Lindström, 1884 † (FOSSIL)
-
Platyceras (Platyostoma) allardycei
A.H. Clarke, 1913 † (FOSSIL)
-
Platyceras (Platyostoma) antiquuis
W.H. Webster, 1905 † (FOSSIL)
-
Platyceras (Platyostoma) boggsi
Rohr & al., 1981 † (FOSSIL)
-
Platyceras (Platyostoma) brownsportense
Foerste, 1903 † (FOSSIL)
-
Platyceras (Platyostoma) cliftonensis
Foerste, 1909 † (FOSSIL)
-
Platyceras (Platyostoma) cornutum
(Hisinger, 1837 †) (FOSSIL)
-
Platyceras (Platyostoma) daytonense
Foerste, 1923 † (FOSSIL)
-
Platyceras (Platyostoma) deforme
(Sedgwick & Murchison, 1840 †) (FOSSIL)
-
Platyceras (Platyostoma) delicata
(Talent & Philip, 1956 †) (FOSSIL)
-
Platyceras (Platyostoma) desmatum
A.H. Clarke, 1904 † (FOSSIL)
-
Platyceras (Platyostoma) euomphaloides
J.W. Hall, 1879 † (FOSSIL)
-
Platyceras (Platyostoma) ferrigenum
J. Perner, 1911 † (FOSSIL)
-
Platyceras (Platyostoma) gebhardi
(T.A. Conrad, 1840 †) (FOSSIL)
-
Platyceras (Platyostoma) grayvillensis
A.H. Worthen, 1882 † (FOSSIL)
-
Platyceras (Platyostoma) humile
Billings, 1866 † (FOSSIL)
-
Platyceras (Platyostoma) humilis
A.H. Clarke & Swartz, 1913 † (FOSSIL)
-
Platyceras (Platyostoma) incisum
A.C. Chapman, 1916 † (FOSSIL)
-
Platyceras (Platyostoma) indica
L. Waagen, 1880 † (FOSSIL)
-
Platyceras (Platyostoma) insolita
W.H. Webster, 1906 † (FOSSIL)
-
Platyceras (Platyostoma) invictus
(Whidborne, 1891 †) (FOSSIL)
-
Platyceras (Platyostoma) irrasum
Fenton & Fenton, 1924 † (FOSSIL)
-
Platyceras (Platyostoma) janthinoides
Oehlert, 1877 † (FOSSIL)
-
Platyceras (Platyostoma) lineata
T.A. Conrad, 1842 † (FOSSIL)
-
Platyceras (Platyostoma) lutheri
A.H. Clarke, 1904 † (FOSSIL)
-
Platyceras (Platyostoma) modesta
W.H. Webster, 1906 † (FOSSIL)
-
Platyceras (Platyostoma) muitissima
A.H. Clarke, 1903 † (FOSSIL)
-
Platyceras (Platyostoma) naticoides
R. Etheridge jr., 1878 † (FOSSIL)
-
Platyceras (Platyostoma) niagarensis
(J.W. Hall, 1852 †) (FOSSIL)
-
Platyceras (Platyostoma) pastillus
A.H. Clarke, 1909 † (FOSSIL)
-
Platyceras (Platyostoma) perceense
A.H. Clarke, 1908 † (FOSSIL)
-
Platyceras (Platyostoma) perforatum
J.J.F. Whiteaves, 1904 † (FOSSIL)
-
Platyceras (Platyostoma) plebeium
J.W. Hall, 1876 † (FOSSIL)
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Platyceras (Platyostoma) pleurotoma
J.W. Hall, 1879 † (FOSSIL)
-
Platyceras (Platyostoma) rotundatum
A.H. Clarke, 1904 † (FOSSIL)
-
Platyceras (Platyostoma) rowei
A.H. Clarke & Swartz, 1913 † (FOSSIL)
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Platyceras (Platyostoma) speciosum
(Sedgwick & Murchison, 1840 †) (FOSSIL)
-
Platyceras (Platyostoma) spirata
(de Sowerby & Murchison, 1839 †) (FOSSIL)
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Platyceras (Platyostoma) strophius
J.W. Hall, 1862 † (FOSSIL)
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Platyceras (Platyostoma) subglobosa
Stauffer, 1909 † (FOSSIL)
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Platyceras (Platyostoma) triangularis
Talent & Philip, 1956 † (FOSSIL)
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Platyceras (Platyostoma) tumidum
J.J.F. Whiteaves, 1892 † (FOSSIL)
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Platyceras (Platyostoma) turbinata
(J.W. Hall, 1861 †) (FOSSIL)
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Platyceras (Platyostoma) unisulcata
(T.A. Conrad, 1842 †) (FOSSIL)
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Platyceras (Platyostoma) ventricosum
T.A. Conrad, 1842 † (FOSSIL)
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Platyceras (Platyostoma) wortheni
T.A. Conrad 1842 † (FOSSIL)
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Subgenus: Platyceras (Tubomphalus) Perner, 1903 † (DB: 4 SP)
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Platyceras (Tubomphalus) crenistria
J. Perner, 1903 † (FOSSIL)
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Platyceras (Tubomphalus) elatus
(J. Perner, 1903 †) (FOSSIL)
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Platyceras (Tubomphalus) emergens
(J. Perner, 1903 †) (FOSSIL)
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Platyceras (Tubomphalus) inflatus
J. Perner, 1907 † (FOSSIL)
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Subgenus: Platyceras (Visitator) Perner, 1911 † (DB: 3 SP)
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Platyceras (Visitator) cylindricum
Talent & Philip, 1956 † (FOSSIL)
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Platyceras (Visitator) extraneus
J. Perner, 1911 † (FOSSIL)
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Platyceras (Visitator) tennesseensis
(Dunbar, 1920 †) (FOSSIL)
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Genus: Platyschisma M'Coy, 1844 † (DB: 13 SP)
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Platyschisma applanatum
C.L.F. von Sandberger & C.L.F. von Sandberger, 1855 † (FOSSIL)
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Platyschisma barrisi
Winchell, 1863 † (FOSSIL)
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Platyschisma cirroides
F. McCoy, 1844 † (FOSSIL)
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Platyschisma depressa
Weller, 1900 † (FOSSIL)
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Platyschisma depressum
J.B.M. Dana, 1847 † (FOSSIL)
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Platyschisma helicoides
(J. de C. Sowerby, 1826 †) (FOSSIL)
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Platyschisma infima
J. Perner, 1903 † (FOSSIL)
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Platyschisma laudoni
Rollins, 1975 † (FOSSIL)
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Platyschisma lingua
E.K. Yoo, 1994 † (FOSSIL)
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Platyschisma missouriensis
Weller, 1899 † (FOSSIL)
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Platyschisma ovoidea
(B. Phillips, 1836 †) (FOSSIL)
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Platyschisma rotundatum
Morris, 1845 † (FOSSIL)
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Platyschisma vitrea
E.K. Yoo, 1994 † (FOSSIL)
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Genus: Ploconema Perner, 1903 † (DB: 2 SP)
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Ploconema bohemicum
J. Perner, 1903 † (FOSSIL)
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Ploconema protendens
J. Perner, 1903 † (FOSSIL)
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Genus: Praenatica Perner, 1903 † (DB: 4 SP)
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Praenatica cheloti
(Oehlert, 1887 †) (FOSSIL)
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Praenatica naticoides
(F.A. Roemer, 1852 †) (FOSSIL)
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Praenatica orthostoma
(Barrois, 1889 †) (FOSSIL)
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Praenatica proeva
J. Perner, 1903 † (FOSSIL)
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Genus: Ptychospirina Perner, 1907 † (DB: 3 SP)
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Ptychospirina mima
(J. Perner, 1903 †) (FOSSIL)
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Ptychospirina senaria
J. Perner, 1907 † (FOSSIL)
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Ptychospirina varians
(J.W. Hall, 1876 †) (FOSSIL)
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Genus: Rhabdocantha Fletcher, 1958 † (DB: 3 SP)
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Rhabdocantha alta
(J.B.M. Dana, 1849 †) (FOSSIL)
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Rhabdocantha cornucapella
(R. Etheridge jr., 1898 †) (FOSSIL)
-
Rhabdocantha intermedia
E.M. Fletcher, 1958 † (FOSSIL)
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Genus: Rhineoderma de Koninck, 1883 † (DB: 11 SP)
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Rhineoderma arenosa
de Koninck, 1883 † (FOSSIL)
-
Rhineoderma benediana
(de Koninck, 1844 †) (FOSSIL)
-
Rhineoderma dinglensis
Girty, 1927 † (FOSSIL)
-
Rhineoderma gemmuliferum
(B. Phillips, 1836 †) (FOSSIL)
-
Rhineoderma hotwellsensis
Batten, 1966 † (FOSSIL)
-
Rhineoderma nodulostriata
(J.W. Hall, 1856 †) (FOSSIL)
-
Rhineoderma nystii
de Koninck, 1883 † (FOSSIL)
-
Rhineoderma piasaensis
(J.W. Hall, 1856 †) (FOSSIL)
-
Rhineoderma radula
(de Koninck, 1844 †) (FOSSIL)
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Rhineoderma subcarbonaria
Keyes, 1894 † (FOSSIL)
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Rhineoderma wortheni
(J.W. Hall, 1856 †) (FOSSIL)
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Genus: Spinyplatyceras Blodgett & Frýda, 1999 † (DB: 13 SP)
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Spinyplatyceras arkonense
(Shimer & A.W. Grabau, 1902 †) (FOSSIL)
-
Spinyplatyceras bartlettense
(E.L. Yochelson & Kopf, 1956 †) (FOSSIL)
-
Spinyplatyceras dumosiforme
(E.F.R.K. Koken, 1889 †) (FOSSIL)
-
Spinyplatyceras dumosum
(T.A. Conrad, 1840 †) (FOSSIL)
-
Spinyplatyceras erinacum
(E.F.R.K. Koken, 1889 †) (FOSSIL)
-
Spinyplatyceras fornicatum
(J.W. Hall, 1862 †) (FOSSIL)
-
Spinyplatyceras milleri
(Nettelroth, 1889 †) (FOSSIL)
-
Spinyplatyceras multispinosum
(F.B. Meek, 1873 †) (FOSSIL)
-
Spinyplatyceras parvispinum
(B.F. Howell, 1945 †) (FOSSIL)
-
Spinyplatyceras paxiller
(A.H. Clarke, 1908 †) (FOSSIL)
-
Spinyplatyceras pugnus
(A.H. Clarke, 1904 †) (FOSSIL)
-
Spinyplatyceras spinosa
(G.A. Goldfuss, 1844 †) (FOSSIL)
-
Spinyplatyceras tylotus
(Whidborne, 1891 †) (FOSSIL)
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Genus: Spiranodus Heidelberger, 2001 † (DB: 3 SP)
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Spiranodus devonica
(Whidborne, 1889 †) (FOSSIL)
-
Spiranodus quadrilineatus
Heidelberger, 2001 † (FOSSIL)
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Spiranodus quinquecinctus
(G.A. Goldfuss, 1844 †) (FOSSIL)
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Genus: Spironemella Waterhouse, 1980 † (DB: 2 SP)
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Spironemella dignitas
(C.O. Waterhouse, 1963 †) (FOSSIL)
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Spironemella turgida
C.O. Waterhouse, 1987 † (FOSSIL)
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Genus: Strophostylus Hall, 1859 † (DB: 20 SP)
-
Strophostylus andrewsi
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus bivolve
White & R.P. Whitfield, 1862 † (FOSSIL)
-
Strophostylus cancellata
(J.W. Hall, 1847 †) (FOSSIL)
-
Strophostylus cancellata
Angelin & Lindström, 1880 † (FOSSIL)
-
Strophostylus chesterensis
Thein & Nitecki, 1974 † (FOSSIL)
-
Strophostylus cyclostomus
J.W. Hall, 1864 † (FOSSIL)
-
Strophostylus elegans
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus elevatus
J.W. Hall, 1868 † (FOSSIL)
-
Strophostylus fitchi
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus girtyi
(Knight, 1934 †) (FOSSIL)
-
Strophostylus globosus
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus matheri
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus naticoides
J.W. Hall 1859 † (FOSSIL)
-
Strophostylus nevadensis
W.J. Gordon & E.L. Yochelson, 1983 † (FOSSIL)
-
Strophostylus obtusus
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus sargalensis
Reed, 1944 † (FOSSIL)
-
Strophostylus tantillus
W.J. Gordon & E.L. Yochelson, 1983 † (FOSSIL)
-
Strophostylus transversus
J.W. Hall, 1859 † (FOSSIL)
-
Strophostylus unica
J.W. Hall, 1862 † (FOSSIL)
-
Strophostylus wortheni
Weller, 1916 † (FOSSIL)
-
Genus: Stuckenbergispira Mazaev, 2015 † (DB: 2 SP)
-
Stuckenbergispira kazanensis
Mazaev, 2015 † (FOSSIL)
-
Stuckenbergispira permocarbonicus
(Stuckenberg, 1898 †) (FOSSIL)
-
Genus: Tachloconcha Horný, 2000 † (DB: 1 SP)
-
Tachloconcha interupta
(J. Perner, 1903 †) (FOSSIL)
-
Genus: Turbomaria Perner, 1907 † (DB: 1 SP)
-
Turbomaria sepulta
(J. Perner, 1903 †) (FOSSIL)
-
Genus: Turbonellina de Koninck, 1844 † (DB: 4 SP)
-
Turbonellina granulosa
C. Gemmellaro, 1889 † (FOSSIL)
-
Turbonellina lepida
(de Koninck, 1843 †) (FOSSIL)
-
Turbonellina pulchra
de Koninck, 1881 † (FOSSIL)
-
Turbonellina striata
C. Gemmellaro, 1889 † (FOSSIL)
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