abdita, Oocerina abdita (Barrande, 1877) † (FOSSIL)
alinae, Digenuoceras alinae (Barrande, 1866) † (FOSSIL)
amoenum, Beloitoceras amoenum (Miller, 1879) † (FOSSIL)
baffinense, Beloitoceras baffinense (Schuchert, 1900) † (FOSSIL)
bighornense, Richardsonoceras bighornense Miller & Carrier, 1942 † - syn of: Winnipegoceras bighornense (Miller & Carrier, 1942) † (FOSSIL)
billingsi, Maelonoceras billingsi Foerste, 1924 † - syn of: Maelonoceras praematurum (Billings, 1860) † (FOSSIL)
bodense, Dalecarlioceras bodense Frye, 1987 † (FOSSIL)
borense, Neumatoceras borense Kröger & al., 2009 † (FOSSIL)
borni, Cyrtorizoceras borni Teichert, 1930 † (FOSSIL)
brevicurvatum, Onoceras brevicurvatum (Whitfield, 1882) † (FOSSIL)
breviventrum, Paramiamoceras breviventrum Kröger & al., 2009 † (FOSSIL)
bucheri, Beloitoceras bucheri Flower, 1946 † (FOSSIL)
carletonense, Oncoceras carletonense Twenhofel, 1928 † (FOSSIL)
carveri, Oncoceras carveri Clarke, 1897 † (FOSSIL)
constrictum, Dalecarlioceras constrictum Frye, 1987 † (FOSSIL)
constrictum, Oncoceras constrictum Hall † (FOSSIL)
contractum, Neumatoceras contractum (Foerste & Savage, 1927) † (FOSSIL)
cornulum, Beloitoceras cornulum (Schuchert, 1900) † (FOSSIL)
dalecarlicum, Dalecarlioceras dalecarlicum Frye, 1987 † (FOSSIL)
desertum, Orthorizoceras desertum Kröger, 2008 † (FOSSIL)
discoideum, Digenuoceras discoideum (Barrande, 1866) † (FOSSIL)
douglassi, Oncoceras douglassi Clarke, 1897 † (FOSSIL)
estonicum, Beloitoceras estonicum Teichert, 1930 † (FOSSIL)
exiguum, Oncoceras exiguum Billings † (FOSSIL)
fallax, Richardsonoceras fallax (Billings, 1857) † (FOSSIL)
gastroscopium, Richardsonoceras gastroscopium Kröger & al., 2009 † (FOSSIL)
gerhardi, Richardsonoceras gerhardi Kröger & al., 2009 † (FOSSIL)
gibbosum, Oncoceras gibbosum Whiteaves, 1889 † - syn of: Cyrtogomphoceras whiteavesi (Miller, 1897) † (FOSSIL)
goldmanni, Richardsonoceras goldmanni Kröger & al., 2009 † (FOSSIL)
haelluddenense, Richardsonoceras haelluddenense Kröger & al., 2009 † (FOSSIL)
hallianum, Zitteloceras hallianum D'Orbigny † (FOSSIL)
haueri, Richardsonoceras haueri (Barrande, 1866) † (FOSSIL)
heterocurvatum, Beloitoceras heterocurvatum Strand, 1934 † - syn of: Richardsonoceras sinuososeptatum (Roemer, 1861) † (FOSSIL)
hitzi, Zitteloceras hitzi Foerste, 1910 † (FOSSIL)
houghtoni, Beloitoceras houghtoni Clarke † (FOSSIL)
hreviposticum, Neumatoceras hreviposticum Miller, Youngquist & Collinson, 1954 † - syn of: Neumatoceras medium Flower, 1952 † (FOSSIL)
huronense, Beloitoceras huronense (Billings, 1865) † (FOSSIL)
intermedium, Rizoceras intermedium (Barrande, 1865) † (FOSSIL)
isodorum, Beloitoceras isodorum (Billings, 1865) † (FOSSIL)
katoi, Onoceras katoi Kobayashi † (FOSSIL)
kingi, Richardsonoceroides kingi Kröger & al., 2009 † (FOSSIL)
latum, Digenuoceras latum (Foerste, 1929) † (FOSSIL)
lentigradum, Oocerina lentigradum Barrande † (FOSSIL)
lobiferum, Beloitoceras lobiferum Flower, 1952 † (FOSSIL)
longum, Miamoceras longum Barskov, 1972 † (FOSSIL)
lycum, Oncoceras lycum Hall, 1861 † (FOSSIL)
magnum, Oncoceras magnum Whiteaves, 1890 † - syn of: Cyrtogomphoceras magnum (Whiteaves, 1890) † (FOSSIL)
major, Oncoceras major Frey, 1995 † (FOSSIL)
mckenzicum, Onoceras mckenzicum Prouty, 1923 † (FOSSIL)
medium, Neumatoceras medium Flower, 1952 † (FOSSIL)
metellus, Maelonoceras metellus (Billings, 1865) † (FOSSIL)
minneapolis, Cyrtorizoceras minneapolis (Clarke, 1897) † (FOSSIL)
minnesotense, Oncoceras minnesotense Clarke, 1897 † - syn of: Westonoceras minnesotense (Clarke, 1897) † (FOSSIL)
nikiforovae, Richardsonoceras nikiforovae Balaschov † (FOSSIL)
oelandense, Richardsonoceroides oelandense Kröger & al., 2009 † (FOSSIL)
orilliense, Beloitoceras orilliense Flower, 1952 † (FOSSIL)
pandion, Beloitoceras pandion (Hall, 1861) † (FOSSIL)
parviborense, Neumatoceras parviborense Kröger & al., 2009 † (FOSSIL)
patulum, Richardsonoceras patulum (Barrande, 1866) † (FOSSIL)
pauper, Oncoceras pauper Foerste, 1924 † (FOSSIL)
podolicum, Rizoceras podolicum Balaschov, 1968 † (FOSSIL)
praecedens, Zitteloceras praecedens Flower, 1952 † (FOSSIL)
praematurum, Maelonoceras praematurum (Billings, 1860) † (FOSSIL)
pristinum, Oncoceras pristinum Ruedemann, 1906 † (FOSSIL)
quasirectum, Rizoceras quasirectum Barrande † (FOSSIL)
rarum, Retizitteloceras rarum Kröger & al., 2011 † (FOSSIL)
rhytium, Richardsonoceroides rhytium Kröger & al., 2009 † (FOSSIL)
rusti, Cyrtorizoceras rusti Flower, 1952 † (FOSSIL)
schiefferdeckeri, Richardsonoceroides schiefferdeckeri (Dewitz, 1880) † (FOSSIL)
scofieldi, Laphamoceras scofieldi (Foerste, 1932) † (FOSSIL)
simplex, Richardsonoceras simplex Billings, 1857 † - syn of: Richardsonoceras fallax (Billings, 1857) † (FOSSIL)
sinkovense, Orthorizoceras sinkovense (Balashov, 1968) † (FOSSIL)
sinuoseptatum, Richardsonoceras sinuoseptatum Roemer, 1861 † - syn of: Richardsonoceras sinuososeptatum (Roemer, 1861) † (FOSSIL)
sinuososeptatum, Richardsonoceras sinuososeptatum (Roemer, 1861) † (FOSSIL)
stoermeri, Beloitoceras stoermeri Sweet, 1958 † (FOSSIL)
tenue, Cyrtorizoceras tenue Strand, 1934 † (FOSSIL)
thompsoni, Beloitoceras thompsoni (Miller, Youngquist & Collinson, 1954) † (FOSSIL)
thorslundi, Cyrtorizoceras thorslundi Kröger, 2013 † (FOSSIL)
tumidum, Neumatoceras tumidum (Schuchert, 1900) † (FOSSIL)
tumidum, Neumatoceras tumidum Schuchert, 1900 † - syn of: Neumatoceras tumidum (Schuchert, 1900) † (FOSSIL)
turnidum, Neumatoceras turnidum (Schuchert) † (FOSSIL)
washburni, Oncoceras washburni (Miller, Youngquist & Collinson, 1954) † (FOSSIL)
whiteavesi, Oncoceras whiteavesi Miller, 1897 † - syn of: Cyrtogomphoceras whiteavesi (Miller, 1897) † (FOSSIL)
wilsonae, Beloitoceras wilsonae (Miller, Youngquist & Collinson, 1954) † (FOSSIL)
|