Acanthoscaphites
plenus
(F.B. Meek & Hayden, 1861 †)
(FOSSIL)

Acanthoscaphites
tridens
(Kner, 1848 †)
(FOSSIL)

Acanthoscaphites
verneuilianus
(A.V.M.D. D'Orbigny, 1841 †)
(FOSSIL)

Clioscaphites
saxitonianus
(McLearn, 1929 †)
(FOSSIL)

Clioscaphites
vermiformis
(F.B. Meek & Hayden, 1862 †)
(FOSSIL)

Clioscaphites
choteauensis
Cobban †
(FOSSIL)

Clioscaphites
platygastrus
Cobban, 1951 †
(FOSSIL)

Desmoscaphites
erdmanni
Cobban, 1951 †
(FOSSIL)

Discoscaphites
gulosus
(Morton, 1834 †)
(FOSSIL)

Discoscaphites
rossi
Landman & Waage, 1993 †
(FOSSIL)

Discoscaphites
abyssinus
Morton, 1842 †
(FOSSIL)

Discoscaphites
iris
(T.A. Conrad, 1858 †)
(FOSSIL)

Discoscaphites
sphaeroidalis
Kennedy & Cobban, 2000 †
(FOSSIL)

Eoscaphites
tenuicostatus
(Pervinquiére, 1910 †)
(FOSSIL)

Haresiceras
mancosense
Reeside, 1927 †
(FOSSIL)

Hoploscaphites
angmartussutensis
Birkelund, 1965 †
(FOSSIL)

Hoploscaphites
birkelundi
Landman & Waage, 1993 †
(FOSSIL)

Hoploscaphites
comprimus
Owen, 1852 †
(FOSSIL)

Hoploscaphites
constrictus
(Sowerby, 1817 †)
(FOSSIL)

Hoploscaphites
indicus
(E. Forbes, 1846 †)
(FOSSIL)

Hoploscaphites
landesi
Riccardi, 1983 †
(FOSSIL)

Hoploscaphites
melloi
Landman & Waage, 1993 †
(FOSSIL)

Hoploscaphites
nicolletii
(Morton, 1842 †)
(FOSSIL)

Hoploscaphites
pumilis
L.W. Stephenson, 1941 †
(FOSSIL)

Hoploscaphites
quiriquinensis
R.O. Wilckens, 1904 †
(FOSSIL)

Hoploscaphites
tenuistriatus
(Kner, 1848 †)
(FOSSIL)

Hoploscaphites
vistulensis
Blaszkiewicz, 1980 †
(FOSSIL)

Hoploscaphites
nicoletti
(Owen †)
(FOSSIL)

Hoploscaphites
gilberti
Landman & al., 2013 †
(FOSSIL)

Hoploscaphites
sargklofak
Landman, J. Kennedy & Larson, 2015 †
(FOSSIL)

Hoploscaphites
gilli
Cobban & Jeletzky, 1965 †
(FOSSIL)

Indoscaphites
pavana
(E. Forbes, 1846 †)
(FOSSIL)

Jeletzkytes
compressus
(F.A. Roemer, 1841 †)
(FOSSIL)

Jeletzkytes
crassus
(Coryell & E.S. Salmon, 1934 †)
(FOSSIL)

Jeletzkytes
criptonodosus
Riccardi, 1983 †
(FOSSIL)

Jeletzkytes
dorfi
Landman & Waage, 1993 †
(FOSSIL)

Jeletzkytes
furnivali
Riccardi, 1983 †
(FOSSIL)

Jeletzkytes
nebrascensis
(B. Owen, 1852 †)
(FOSSIL)

Jeletzkytes
nodosus
(Owen, 1852 †)
(FOSSIL)

Jeletzkytes
spedeni
Landman & Waage, 1993 †
(FOSSIL)

Jeletzkytes
reesidei
(B. Wade, 1926 †)
(FOSSIL)

Otoscaphites
perrini
(Anderson, 1902 †)
(FOSSIL)

Otoscaphites
klamathensis
Anderson, 1902 †
(FOSSIL)

Otoscaphites
seabeensis
Cobban & Gryc, 1961 †
(FOSSIL)

Otoscaphites
cobbani
M. Collignon, 1965 †
(FOSSIL)

Otoscaphites
perrini
(Anderson, 1902 †)
(FOSSIL)

Otoscaphites
klamathensis
Anderson, 1902 †
(FOSSIL)

Otoscaphites
seabeensis
Cobban & Gryc, 1961 †
(FOSSIL)

Otoscaphites
cobbani
M. Collignon, 1965 †
(FOSSIL)

Platyscaphites
elginensis
Cobban, J. Kennedy & Landman, 1999 †
(FOSSIL)

Platyscaphites
groatensis
Cobban, J. Kennedy & Landman, 1999 †
(FOSSIL)

Ponteixites
robustus
Warren, 1934 †
(FOSSIL)

Rhaeboceras
halli
(F.B. Meek & Hayden, 1856 †)
(FOSSIL)

Rhaeboceras
subglobosus
J.J.F. Whiteaves, 1885 †
(FOSSIL)

Rhaeboceras
whiteavesi
H.D. Russell & Landes, 1937 †
(FOSSIL)

Rhaeboceras
tortum
Buckman †
(FOSSIL)

Rhaeboceras
burkholderi
Cobban, 1987b †
(FOSSIL)

Rhaeboceras
coloradoense
Cobban, 1987b †
(FOSSIL)

Scaphites
mandanensis
Morton, 1842 †
(FOSSIL)

Scaphites
binodosus
F.A. Roemer, 1841 †
(FOSSIL)

Scaphites
gibbus
F. Schlüter, 1872 †
(FOSSIL)

Scaphites
haugi
de Grossouvre, 1894 †
(FOSSIL)

Scaphites
arcadiensis
Moreman, 1942 †
(FOSSIL)

Scaphites
binneyi
Reeside, 1927 †
(FOSSIL)

Scaphites
bosquensis
Böse, 1928 †
(FOSSIL)

Scaphites
corvensis
Cobban, 1951 †
(FOSSIL)

Scaphites
depressus
Reeside, 1927 †
(FOSSIL)

Scaphites
equalis
Sowerby, 1813 †
(FOSSIL)

Scaphites
eruciformis
Etheridge, 1902 †
(FOSSIL)

Scaphites
ferronensis
Cobban, 1951 †
(FOSSIL)

Scaphites
geinitzii
d'Orbigny, 1850 †
(FOSSIL)

Scaphites
hippocrepis
J.E. De Kay, 1828 †
(FOSSIL)

Scaphites
hugardianus
d'Orbigny, 1842 †
(FOSSIL)

Scaphites
mariasensis
Cobban, 1851 †
(FOSSIL)

Scaphites
nigricollensis
Cobban, 1951 †
(FOSSIL)

Scaphites
obliquus
Sowerby, 1813 †
(FOSSIL)

Scaphites
patulus
Cobban, 1951 †
(FOSSIL)

Scaphites
preventricosus
Cobban, 1951 †
(FOSSIL)

Scaphites
subdelicatus
Cobban & Gryc, 1961 †
(FOSSIL)

Scaphites
ventricosus
F.B. Meek & Hayden, 1862 †
(FOSSIL)

Scaphites
whitfieldi
Cobban, 1951 †
(FOSSIL)

Scaphites
multinodosus
J. Von Hauer, 1866 †
(FOSSIL)

Scaphites
aquisgranensiformis
(M. Collignon, 1969 †)
(FOSSIL)

Scaphites
carlilensis
(C.C. Morrow, 1935 †)
(FOSSIL)

Scaphites
reesidei
(M. Collignon, 1969 †)
(FOSSIL)

Scaphites
simplex
(Jukes-Brown 1875 †)
(FOSSIL)

Scaphites
villoutreysi
(Thomel, 1972 †)
(FOSSIL)

Scaphites
warreni
(F.B. Meek & Hayden †)
(FOSSIL)

Scaphites
bassei
M. Collignon, 1929 †
(FOSSIL)

Scaphites
kieslingswaldensis
Langenhan & Grundey, 1891 †
(FOSSIL)

Scaphites
leei
(Reeside, 1927 †)
(FOSSIL)

Scaphites
alpinus
A.V.M.D. D'Orbigny, 1850 †
(FOSSIL)

Scaphites
frontierensis
Cobban, 1951 †
(FOSSIL)

Scaphites
impendicostatus
Cobban, 1951 †
(FOSSIL)

Scaphites
nanus
Reeside, 1927 †
(FOSSIL)

Scaphites
tetonensis
Cobban, 1951 †
(FOSSIL)

Scaphites
uintensis
Cobban, 1951 †
(FOSSIL)

Scaphites
lamberti
de Grossouvre 1894 †
(FOSSIL)

Scaphites
meslei
de Grossouvre 1894 †
(FOSSIL)

Scaphites
potieri
de Grossouvre 1894 †
(FOSSIL)

Scaphites
sagensis
de Grossouvre 1894 †
(FOSSIL)

Scaphites
kieslingwaldensis
Parkinson 1811 †
(FOSSIL)

Scaphites
geinitzii
Wright, 1979 †
(FOSSIL)

Scaphites
diana
Wright, 1979 †
(FOSSIL)

Scaphites
kieslingwaldensis
Lagenham & Grundey †
(FOSSIL)

Scaphites
abichii
Batsevich, 1873 †
(FOSSIL)

Scaphites
cobbani
Birkelund, 1965 †
(FOSSIL)

Scaphites
corvensis
Cobban, 1951 †
(FOSSIL)

Scaphites
warreni
Cobban, 1951 †
(FOSSIL)

Scaphites
warreni
Cobban, 1951 †
(FOSSIL)

Scaphites
larvaeformis
F.B. Meek & Hayden, 1859 †
(FOSSIL)

Scaphites
larvaeformis
Cobban, 1951 †
(FOSSIL)

Scaphites
auriculatus
Cobban, 1951 †
(FOSSIL)

Scaphites
borealis
Cobban & Kennedy 1991 †
(FOSSIL)

Scaphites
coloradensis
Cobban, 1951 †
(FOSSIL)

Scaphites
coloradoensis
Cobban, 1951 †
(FOSSIL)

Scaphites
pisinnus
Cobban, 1951 †
(FOSSIL)

Scaphites
praecoquus
Cobban, 1951 †
(FOSSIL)

Scaphites
sagensis
Cobban, 1951 †
(FOSSIL)

Scaphites
subdelicatulus
Cobban & Gryc 1961 †
(FOSSIL)

Scaphites
ventricosus
Cobban, 1951 †
(FOSSIL)

Scaphites
veterinovus
Cobban, 1951 †
(FOSSIL)

Scaphites
yokoyamai
Jimbo, 1894 †
(FOSSIL)

Scaphites
pseudoaequalis
Yabe, 1910 †
(FOSSIL)

Scaphites
yonekurai
Yabe, 1910 †
(FOSSIL)

Scaphites
gracilis
Yabe, 1910 †
(FOSSIL)

Scaphites
formosus
Yabe, 1910 †
(FOSSIL)

Trachyscaphites
spiniger
(F. Schlüter, 1872 †)
(FOSSIL)

Trachyscaphites
praespiniger
Cobban & P.H. Scott, 1964 †
(FOSSIL)

Trachyscaphites
spiniger
Cobban & P.H. Scott, 1964 †
(FOSSIL)

Trachyscaphites
alabamensis
Cobban & Kennedy, 1995 †
(FOSSIL)

Trachyscaphites
densicostatus
Cobban & Kennedy, 1992 †
(FOSSIL)

Trachyscaphites
redbirdensis
Cobbanand Scott, 1964 †
(FOSSIL)

Worthoceras
vermiculum
(Shumard, 1860 †)
(FOSSIL)

Worthoceras
worthense
(Adkins, 1920 †)
(FOSSIL)

Worthoceras
pacificum
E. Matsumoto & Yokoi, 1987 †
(FOSSIL)

Yezoites
planus
Yabe, 1910 †
(FOSSIL)

Yezoites
puerculus
Jimbo, 1894 †
(FOSSIL)

Yezoites
subevolutus
Böse, 1928 †
(FOSSIL)

Yezoites
delicatulus
(Warren, 1930 †)
(FOSSIL)

Yezoites
arnaudi
(Grossouvre, 1894 †)
(FOSSIL)

Yezoites
australis
J. Kennedy & Klinger, 2013 †
(FOSSIL)

Yezoites
concinna
J. Kennedy & Klinger, 2013 †
(FOSSIL)

Yezoites
delicatulus
Cobban, 1983 †
(FOSSIL)

Yezoites
delicatulus
Cobban, 1983 †
(FOSSIL)

Yezoites
planus
Yabe, 1910 †
(FOSSIL)

Yezoites
teshioensis
(Yabe, 1910 †)
(FOSSIL)