-
Tibichoanoceras abditum
(I. Balashov & Kiselev, 1968 †) (FOSSIL)
-
Orthoceras aciculare
J. Brown, 1860 † (FOSSIL)
-
Orthoceras agassizi
Barrande, 1866 † (FOSSIL)
-
Orthocycloceras alayense
I.S. Barskov, 1972 † (FOSSIL)
-
Orthoceras anellus
T.A. Conrad, 1843 † (FOSSIL)
-
Orthoceras angustum
Holzapfel, 1895 † (FOSSIL)
-
Orthoceras annulata
(Sowerby, 1818 †) (FOSSIL)
-
Orthoceras araneosum
Barrande, 1866 † (FOSSIL)
-
Oxfordoceras atticus
(Billings, 1865 †) (FOSSIL)
-
Trematoceras austriacum
(Mojsisovics, 1873 †) (FOSSIL)
-
Orthoceras baculiforme
Salter † (FOSSIL)
-
Orthoceras barrandei
Salter † (FOSSIL)
-
Orthoceras barumense
Whidborne † (FOSSIL)
-
Orthoceras bifoveatum
Noetling, 1879 † (FOSSIL)
-
Orthoceras bilineatum
J.W. Hall † (FOSSIL)
-
Oxfordoceras billingsi
Ulrich & al., 1944 † (FOSSIL)
-
Orthoceras bisignatum
Barrande, 1877 † (FOSSIL)
-
Orthoceras blakei
W.M. Gabb, 1864 † (FOSSIL)
-
Infundibuloceras brevimira
Klug & al., 2008 † (FOSSIL)
-
Orthoceras burgense
C. Gemmellaro, 1889 † (FOSSIL)
-
Palorthoceras buttsi
(Flower, 1962 †) (FOSSIL)
-
Orthoceras calamus
de Koninck † (FOSSIL)
-
Trematoceras celticum
(Mojsisovics, 1873 †) (FOSSIL)
-
Orthoceras champernowni
Whidborne † (FOSSIL)
-
Orthoceras cuvieri
Barrande, 1868 † (FOSSIL)
-
Orthoceras decipiens
Barrande, 1866 † (FOSSIL)
-
Merocycloceras declivis
Ristedt, 1968 † (FOSSIL)
-
Orthoceras decrescens
de Koninck, 1863 † (FOSSIL)
-
Orthoceras docens
Barrande, 1868 † (FOSSIL)
-
Orthoceras dominans
A. De Gregorio, 1930 † (FOSSIL)
-
Kopaninoceras dorsatoides
Kröger, 2008 † (FOSSIL)
-
Trematoceras dubium
(J. Von Hauer, 1847 †) (FOSSIL)
-
Trematoceras elegans
(Münster, 1841 †) (FOSSIL)
-
Orthoceras elegantulum
C. Gemmellaro, 1889 † (FOSSIL)
-
Copiceras erectum
Ulrich & al., 1944 † (FOSSIL)
-
Chebbioceras erfoudense
Klug & al., 2008 † (FOSSIL)
-
Orthoceras etheridgei
Blake † (FOSSIL)
-
Orthoceras eutrichum
Whidborne † (FOSSIL)
-
Orthoceras evanescens
Barrande, 1866 † (FOSSIL)
-
Orthoceras exoticum
Barrande, 1866 † (FOSSIL)
-
Orthoceras expansum
C.H. Blake, 1882 † (FOSSIL)
-
Theoceras filondouzense
Kröger, 2008 † (FOSSIL)
-
Pojetoceras floweri
M.A. Frey, 1995 † (FOSSIL)
-
Orthoceras fluctuatum
Salter † (FOSSIL)
-
Orthoceras fluminense
(Meneghini, 1857 †) (FOSSIL)
-
Striatocycloceras foerstei
(Teichert, 1930 †) (FOSSIL)
-
Orthoceras ganimedes
Barrande, 1866 † (FOSSIL)
-
Orthoceras geinitzi
d'Orbigny, 1850 † (FOSSIL)
-
Ogygoceras gracile
Ulrich & al., 1944 † (FOSSIL)
-
Orthoceras gradatum
C. Gemmellaro, 1889 † (FOSSIL)
-
Orthoceras grindrodi
Blake, 1882 † (FOSSIL)
-
Orthoceras hulli
C. Gemmellaro, 1889 † (FOSSIL)
-
Orthoceras hungaricum
Blake † (FOSSIL)
-
Striatocycloceras isbergi
Kröger, 2013 † (FOSSIL)
-
Kopaninoceras jucundum
(Barrande, 1870 †) (FOSSIL)
-
Orthoceras kawasakii
T. Kobayashi, 1928 † (FOSSIL)
-
Palorthoceras kayseri
Kröger & al., 2007 † (FOSSIL)
-
Infundibuloceras komiense
(P.A. Zhuravleva, 1978 †) (FOSSIL)
-
Orthoceras lambi
J.J.F. Whiteaves † (FOSSIL)
-
Trematoceras lateseptatum
(J. Von Hauer, 1846 †) (FOSSIL)
-
Orthoceras latissimum
Portlock † (FOSSIL)
-
Orthoceras lentum
Ruedemann, 1906 † (FOSSIL)
-
Orthoceras lepton
C. Gemmellaro, 1889 † (FOSSIL)
-
Orthoceras lesueuri
A.H. Clarke, 1897 † (FOSSIL)
-
Infundibuloceras longicameratum
Kröger, 2008 † (FOSSIL)
-
Orthoceras luhai
Stumbur, 1956 † (FOSSIL)
-
Infundibuloceras mira
(P.A. Zhuravleva, 1978 †) (FOSSIL)
-
Orthoceras modestum
Ruedemann, 1906 † (FOSSIL)
-
Infundibuloceras mohamadi
Kröger, 2008 † (FOSSIL)
-
Orthoceras nakamurai
T. Kobayashi, 1927 † (FOSSIL)
-
Orthoceras nicolleti
A.H. Clarke † (FOSSIL)
-
Orthoceras niissoni
Boll, 1857 † (FOSSIL)
-
Orthoceras novator
Barrande, 1868 † (FOSSIL)
-
Striatocycloceras obliquum
(d'Eichwald, 1860 †) (FOSSIL)
-
Orthoceras oehlerti
C. Gemmellaro, 1889 † (FOSSIL)
-
Orthoceras orientale
Fliegel, 1901 † (FOSSIL)
-
Orthoceras oryx
Whidborne † (FOSSIL)
-
Orthoceras oweni
Ulrich, 1894 † (FOSSIL)
-
Orthoceras pendens
Blake † (FOSSIL)
-
Orthoceras perroti
A.H. Clarke † (FOSSIL)
-
Orthoceras pertinens
Blake † (FOSSIL)
-
Orthoceras planoconvexum
J.W. Hall † (FOSSIL)
-
Orthoceras planodorsatum
R.P. Whitfield † (FOSSIL)
-
Orthoceras primaevum
(Forbes) † (FOSSIL)
-
Orthoceras progressum
Ruedemann, 1906 † (FOSSIL)
-
Trematoceras pulchellum
(J. Von Hauer, 1849 †) (FOSSIL)
-
Orthoceras pulchrum
Barrande, 1868 † (FOSSIL)
-
Orthoceras punjabiense
L. Waagen, 1879 † (FOSSIL)
-
Orthoceras pusgillense
Foord † (FOSSIL)
-
Orthoceras rachidium
de Koninck, 1863 † (FOSSIL)
-
Orthoceras regularis
(Schlotheim, 1820 †) (FOSSIL)
-
Pseudospyroceras reticulum
Kröger, 2008 † (FOSSIL)
-
Tibichoanoceras riphaeum
(P.A. Zhuravleva, 1978 †) (FOSSIL)
-
Orthoceras robertsii
Whidborne † (FOSSIL)
-
Striatocycloceras romingeri
(Foerste, 1932 †) (FOSSIL)
-
Trematoceras salinarium
(J. Von Hauer, 1846 †) (FOSSIL)
-
Trematoceras sandlingense
(Mojsisovics, 1873 †) (FOSSIL)
-
Orthoceras scabridum
Angelin, 1880 † (FOSSIL)
-
Ctenoceras schmidti
Noetling, 1884 † (FOSSIL)
-
Tenuitheoceras secretum
M.A. Frey & al., 2014 † (FOSSIL)
-
Orthoceras sericatum
Barrande, 1868 † (FOSSIL)
-
Orthoceras shastense
A. Hyatt & Smith, 1905 † (FOSSIL)
-
Orthoceras siculum
C. Gemmellaro, 1889 † (FOSSIL)
-
Orthoceras spissiseptum
Dwight, 1884 † (FOSSIL)
-
Orthoceras stokesi
Barrande, 1868 † (FOSSIL)
-
Orthoceras striatulum
(J. de C. Sowerby) † (FOSSIL)
-
Trematoceras styriacum
(Mojsisovics, 1873 †) (FOSSIL)
-
Trematoceras subcampanile
Kiparisova, 1954 † (FOSSIL)
-
Orthoceras subimbricatum
Portlock † (FOSSIL)
-
Orthoceras submoniliforme
Meneghini, 1857 † (FOSSIL)
-
Orthoceras subtriangulare
C. Gemmellaro, 1889 † (FOSSIL)
-
Orthocycloceras tafilaltense
Kröger, 2008 † (FOSSIL)
-
Orthoceras tenui
McCoy † (FOSSIL)
-
Kopaninoceras thyrsus
(Barrande, 1870 †) (FOSSIL)
-
Tibichoanoceras tibichoanum
Kröger, 2008 † (FOSSIL)
-
Trematoceras triadicum
(Mojsisovics, 1873 †) (FOSSIL)
-
Orthoceras undulocinctum
Blake † (FOSSIL)
-
Striatocycloceras undulostriatum
(J.W. Hall, 1847 †) (FOSSIL)
-
Orthoceras vagum
Ruedemann, 1906 † (FOSSIL)
-
Orthoceras vesiculosum
de Koninck, 1863 † (FOSSIL)
-
Orthoceras vicarii
Whidborne † (FOSSIL)
-
Orthoceras vicarii eductum
Whidborne † (FOSSIL)
-
Orthoceras waageni
C. Gemmellaro, 1889 † (FOSSIL)
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