Bitaunioceras
inordinatum
Shimanskiy, 1996 †
(FOSSIL)

Bitaunioceras
krotowi
Dewingthal, 1951 †
(FOSSIL)

Bitaunioceras
texanum
Miller & Youngquist, 1947 †
(FOSSIL)

Bitaunioceras
undulatum
Niko & Nishida, 1987 †
(FOSSIL)

Bitaunioceras
zonatum
(C. Gemmellaro, 1889 †)
(FOSSIL)

Dolorthoceras
caneyanum
(Girty, 1909 †)
(FOSSIL)

Dolorthoceras
incisum
W.J. Gordon, 1964 †
(FOSSIL)

Dolorthoceras
nakazawai
Niko & Nishida, 2000 †
(FOSSIL)

Dolorthoceras
siphocentralis
(Krotow, 1885 †)
(FOSSIL)

Dolorthoceras
stiliforme
Shimanskiy, 1948 †
(FOSSIL)

Dolorthoceras
tenuifilosum
W.J. Gordon, 1964 †
(FOSSIL)

Euloxoceras
greenei
Miller & al., 1933 †
(FOSSIL)

Euloxoceras
greenei
W.J. Gordon, 1964 †
(FOSSIL)

Euloxoceras
greeni
Dunbar & Condra, 1933 †
(FOSSIL)

Euloxoceras
buffalowallowense
Niko & Mapes, 2015 †
(FOSSIL)

Lopingoceras
bicinctum
(H.W. Von Abich, 1878 †)
(FOSSIL)

Lopingoceras
guangdeense
J.K. Zhao & al., 1978 †
(FOSSIL)

Lopingoceras
lopingense
(Stoyanow, 1910 †)
(FOSSIL)

Lopingoceras
orientale
(Fuegel, 1901 †)
(FOSSIL)

Lopingoceras
quangdeense
Shimanskiy 1962 †
(FOSSIL)

Pseudocycloceras
karanglense
I.S. Barskov, 1959 †
(FOSSIL)

Reticycloceras
girtyi
W.J. Gordon, 1964 †
(FOSSIL)

Reticycloceras
peytonense
W.J. Gordon, 1964 †
(FOSSIL)

Reticycloceras
sequoyahense
(Snider, 1915 †)
(FOSSIL)

Spyroceras
clintoni
Miller, 1877 †
(FOSSIL)

Spyroceras
bilineatum
(J.W. Hall, 1847 †)
(FOSSIL)

Spyroceras
boreale
Foerste & Savage, 1927 †
(FOSSIL)

Spyroceras
chambliense
Foerste, 1924 †
(FOSSIL)

Spyroceras
clathratoannulatum
(F.A. Roemer, 1861 †)
(FOSSIL)

Spyroceras
crotalum
(J.W. Hall, 1879 †)
(FOSSIL)

Spyroceras
cyrtopatronus
Kröger, 2008 †
(FOSSIL)

Spyroceras
damesi
(A. Krause, 1877 †)
(FOSSIL)

Spyroceras
ferum
(Billings, 1866 †)
(FOSSIL)

Spyroceras
fukuijense
Niko, 1996 †
(FOSSIL)

Spyroceras
giganteum
Flower, 1945 †
(FOSSIL)

Spyroceras
latepatronus
Kröger, 2008 †
(FOSSIL)

Spyroceras
middlevillense
Foerste, 1928 †
(FOSSIL)

Spyroceras
olorus
(J.W. Hall, 1879 †)
(FOSSIL)

Spyroceras
patronus
(Barrande, 1866 †)
(FOSSIL)

Spyroceras
perlaeve
E. Strand, 1934 †
(FOSSIL)

Spyroceras
textumarenaceum
(F.A. Roemer, 1861 †)
(FOSSIL)

Spyroceras
senckenbergi
Teichert, 1930 †
(FOSSIL)

Spyroceras
karpinskyi
P.A. Zhuravleva, 1962 †
(FOSSIL)

Spyroceras
alternestriatum
E. Strand, 1935 †
(FOSSIL)

Spyroceras
arcuoliratum
(J.W. Hall, 1874 †)
(FOSSIL)

Suloceras
pulchrum
(Barrande, 1866 †)
(FOSSIL)