Allocrioceras
dentonense
Moreman, 1942 †
(FOSSIL)

Allocrioceras
larvatum
(T.A. Conrad, 1855 †)
(FOSSIL)

Allocrioceras
nodiger
(F.A. Roemer, 1870 †)
(FOSSIL)

Allocrioceras
annulatum
(Shumard, 1860 †)
(FOSSIL)

Allocrioceras
burkhardti
J. Kennedy & Cobban, 1991 †
(FOSSIL)

Allocrioceras
hazzardi
A.T. Young, 1963 †
(FOSSIL)

Allocrioceras
cuvieri
(Schluter, 1872 †)
(FOSSIL)

Allocrioceras
angustum
(Sowerby, 1850 †)
(FOSSIL)

Anisoceras
armatum
(Sowerby, 1817 †)
(FOSSIL)

Anisoceras
charlottense
Anderson, 1958 †
(FOSSIL)

Anisoceras
perarmatum
Pictet & Campiche, 1861 †
(FOSSIL)

Anisoceras
plicatilis
(J. de C. Sowerby, 1819 †)
(FOSSIL)

Anisoceras
pseudoelegans
Pictet & Campiche, 1861 †
(FOSSIL)

Anisoceras
raynaudi
Boule & al., 1907 †
(FOSSIL)

Anisoceras
saussureanus
(Pictet, 1847 †)
(FOSSIL)

Anisoceras
reidi
Wright, 1979 †
(FOSSIL)

Anisoceras
carcitanense
Matheron, 1880 †
(FOSSIL)

Anisoceras
coloradoense
Cobban, Hook & J. Kennedy, 1989 †
(FOSSIL)

Idiohamites
dorsetensis
Spath, 1926 †
(FOSSIL)

Idiohamites
elegantulus
Spath, 1939 †
(FOSSIL)

Idiohamites
pulchellus
J. Kennedy & Cobban, 1990 †
(FOSSIL)

Idiohamites
subspiniger
Spath, 1939 †
(FOSSIL)

Idiohamites
tuberculatus
(J. de C. Sowerby, 1818 †)
(FOSSIL)

Idiohamites
spiniger
(Sowerby †)
(FOSSIL)

Idiohamites
fremonte
(Marcou, 1858 †)
(FOSSIL)

Phlycticrioceras
rude
J. Kennedy, 1995 †
(FOSSIL)

Protanisoceras
blancheti
(Pictet & Campiche, 1861 †)
(FOSSIL)

Protanisoceras
alternotuberculatum
(Leymerie, 1841 †)
(FOSSIL)

Protanisoceras
nodosum
(J. de C. Sowerby, 1818 †)
(FOSSIL)

Protanisoceras
flexuosum
(A.V.M.D. D'Orbigny, 1842 †)
(FOSSIL)