aguila, Hertleinites aguila (Anderson, 1938) † (FOSSIL)
albidum, Peregrinoceras albidum Casey, 1973 † (FOSSIL)
amundensis, Prodichotomites amundensis Kemper & Jeletzky, 1979 † (FOSSIL)
analogus, Surites analogus (Bogoslowsky, 1897) † (FOSSIL)
ascendens, Polyptychites ascendens Koenen, 1902 † (FOSSIL)
astieriformis, Astieriptychites astieriformis (Voronets, 1962) † (FOSSIL)
astierptychus, Astieriptychites astierptychus (Bodylevsky, 1960) † (FOSSIL)
balkwilli, Polyptychites balkwilli Jeletzky & Kemper, 1988 † (FOSSIL)
bidichotomus, Dichotomites bidichotomus (D'Orbigny, 1841) † (FOSSIL)
borealis, Russanovia borealis (Bodylevsky, 1902) † (FOSSIL)
borealis, Temnoptychites borealis Bodylevsky, 1902 † - syn of: Russanovia borealis (Bodylevsky, 1902) † (FOSSIL)
broadi, Simbirskites broadi Anderson, 1938 † (FOSSIL)
canadensis, Polyptychites canadensis Kemper & Jeletzky, 1979 † (FOSSIL)
changalassensis, Virgatoptychites changalassensis Voronets, 1958 † (FOSSIL)
complanatus, Craspedites complanatus Koenen, 1902 † (FOSSIL)
compressus, Pseudocraspedites compressus Igolnikov, 2014 † (FOSSIL)
conferticosta, Polyptychites conferticosta Pavlow, 1914 † (FOSSIL)
copiocostatus, Euryptychites copiocostatus Alsen, 2006 † (FOSSIL)
coronatirormis, Simbirskites coronatirormis (Pavlov) † (FOSSIL)
craspeditiformis, Khetoceras craspeditiformis Rogov, 2014 † (FOSSIL)
crassus, Prodichotomites crassus (Kemper, 1978) † (FOSSIL)
decheni, Simbirskites decheni (Römer, 1841) † (FOSSIL)
dichotomus, Hollisites dichotomus Imlay, 1960 † (FOSSIL)
diplotomus, Euryptychites diplotomus (Koenen, 1902) † (FOSSIL)
diptychum, Russanovia diptychum (Keyserling, 1846) † (FOSSIL)
elegans, Menjaites elegans (Bodylevsky, 1949) † (FOSSIL)
ellefense, Elleficeras ellefense Kemper & Jeletzky, 1979 † (FOSSIL)
ellefensis, Prodichotomites ellefensis Kemper & Jeletzky, 1979 † (FOSSIL)
ellesmerensis, Thorsteinssonoceras ellesmerensis Jeletzky, 1965 † (FOSSIL)
euomphalus, Polyptychites euomphalus Koenen, 1902 † - syn of: Pseudoeuryptychites pavlovi Voronets, 1962 † (FOSSIL)
euriptychoides, Russanovia euriptychoides Klimova, 1984 † (FOSSIL)
fasciatus, Amundiptychites fasciatus Jeletzky & Kemper, 1988 † (FOSSIL)
fascicostatus, Siberiptychites fascicostatus Jeletzky & Kemper, 1988 † (FOSSIL)
flexicosta, Prodichotomites flexicosta (Koenen, 1902) † (FOSSIL)
fulgens, Kachpurites fulgens (Trautschold, 1861) † (FOSSIL)
giganteus, Neocraspedites giganteus Imlay, 1960 † (FOSSIL)
gradatus, Polyptychites gradatus Koenen, 1902 † (FOSSIL)
gravesiformis, Euryptychites gravesiformis (Pavlow, 1892) † (FOSSIL)
gravidus, Polyptychites gravidus Koenen, 1902 † - syn of: Euryptychites diplotomus (Koenen, 1902) † (FOSSIL)
greenlandica, Neocraspedites greenlandica (Donovan, 1953) † (FOSSIL)
groenlandicus, Menjaites groenlandicus Alsen, 2006 † (FOSSIL)
hapkei, Polyptychites hapkei Jeletzky & Kemper, 1988 † (FOSSIL)
hollwedensis, Prodichotomites hollwedensis (Kemper, 1978) † (FOSSIL)
hoplitoides, Nikitinoceras hoplitoides (Nikitin, 1888) † (FOSSIL)
imperceptus, Menjaites imperceptus Sazonova, 1971 † (FOSSIL)
inflatum, Nikitinoceras inflatum Bodylevsky, 1967 † (FOSSIL)
inflatus, Hollisites inflatus Imlay, 1960 † (FOSSIL)
intermedium, Nikitinoceras intermedium Klimova, 1984 † (FOSSIL)
keyserlingi, Polyptychites keyserlingi (Neumayr & Uhlig, 1881) † (FOSSIL)
kochi, Hectoroceras kochi Spath, 1947 † (FOSSIL)
krausei, Dichotomites krausei Kemper, 1978 † (FOSSIL)
laevis, Euryptychites laevis (Donovan, 1953) † (FOSSIL)
larwoodi, Hectoroceras larwoodi R. Casey, 1973 † (FOSSIL)
larwoodi, Hectoceras larwoodi R. Casey, 1973 † - syn of: Hectoroceras larwoodi R. Casey, 1973 † (FOSSIL)
latissimus, Euryptychites latissimus (Neumayr & Uhlig, 1881) † (FOSSIL)
lecontei, Simbirskites lecontei Anderson, 1938 † (FOSSIL)
lucasi, Hollisites lucasi Inlay, 1957 † (FOSSIL)
mackneyi, Prodichotomites mackneyi Alsen, 2006 † (FOSSIL)
margaritae, Khetoceras margaritae (Schulgina, 1969) † (FOSSIL)
mesezhnikowi, Bojarkia mesezhnikowi Shulgina, 1969 † (FOSSIL)
michalskii, Polyptychites michalskii Bogoslowsky, 1902 † (FOSSIL)
middendorffi, Pseudoeuryptychites middendorffi Pavlov, 1914 † (FOSSIL)
mokschensis, Nikitinoceras mokschensis (Bogoslowsky, 1902) † (FOSSIL)
molsbergensis, Euryptychites molsbergensis Alsen, 2006 † (FOSSIL)
morvenae, Simbirskites morvenae Whitehouse, 1927 † (FOSSIL)
mosquensis, Craspedites mosquensis (Gerasimov) † (FOSSIL)
multicostatus, Dichotomites multicostatus Imlay, 1940 † (FOSSIL)
neuquensis, Polyptychites neuquensis Douvillé, 1910 † - syn of: Holcoptychites magdalenae Douvillé, 1910 † (FOSSIL)
nodiger, Craspedites nodiger (Eichwald, 1865) † (FOSSIL)
obsoletus, Astieriptychites obsoletus Jeletzky & Kemper, 1988 † (FOSSIL)
pateraeformis, Euryptychites pateraeformis (Voronets, 1962) † (FOSSIL)
pavlovi, Pseudoeuryptychites pavlovi Voronets, 1962 † (FOSSIL)
pechorensis, Surites pechorensis Sazonov, 1951 † (FOSSIL)
pecki, Hertleinites pecki Imlay, 1960 † (FOSSIL)
pentagonalis, Neocraspedites pentagonalis Alsen, 2006 † (FOSSIL)
piaseckii, Neocraspedites piaseckii Alsen, 2006 † (FOSSIL)
plenus, Polyptychites plenus Burdykina, 1983 † (FOSSIL)
plicomphalus, Subcraspedites plicomphalus (Sowerby, 1823) † (FOSSIL)
polyptychus, Polyptychites polyptychus (Keyserling, 1846) † (FOSSIL)
polytomus, Prodichotomites polytomus (Koenen, 1902) † (FOSSIL)
pressulus, Peregrinoceras pressulus (Bogoslowsky, 1897) † (FOSSIL)
pseudopolyptychites, Ringnesiceras pseudopolyptychites Kemper & Jeletzky, 1979 † (FOSSIL)
pseudopolyptychum, Ringnesiceras pseudopolyptychum Kemper & Jeletzky, 1979 † (FOSSIL)
pumilio, Propolyptychites pumilio Vogel, 1959 † (FOSSIL)
quadrificus, Propolyptychites quadrificus (Koenen, 1902) † (FOSSIL)
quadrifidus, Propolyptychites quadrifidus (Koenen, 1902) † (FOSSIL)
ramulicosta, Polyptychites ramulicosta Pavlow, 1892 † (FOSSIL)
rawsoni, Polyptychites rawsoni Alsen, 2006 † (FOSSIL)
rectangulatus, Primitiviptychites rectangulatus Bogoslowsky, 1902 † (FOSSIL)
robertsi, Polyptychites robertsi Alsen, 2006 † (FOSSIL)
roemeri, Euryptychites roemeri Alsen, 2006 † (FOSSIL)
rosei, Peregrinoceras rosei R. Casey, 1973 † (FOSSIL)
rubricosus, Euryptychites rubricosus Alsen, 2006 † (FOSSIL)
rutila, Neocraspedites rutila Alsen, 2006 † (FOSSIL)
sachsi, Craspedites sachsi Igolnikov, 2012 † (FOSSIL)
scalarinus, Polyptychites scalarinus Neumayr & Uhlig, 1881 † - syn of: Polyptychites keyserlingi (Neumayr & Uhlig, 1881) † (FOSSIL)
schulginae, Borealites schulginae Igolnikov, 2014 † (FOSSIL)
semilaevis, Neocraspedites semilaevis (Koenen, 1902) † (FOSSIL)
semisulcata, Neocraspedites semisulcata (Koenen, 1902) † (FOSSIL)
simplex, Surites simplex (Bogoslowsky, 1902) † (FOSSIL)
speetonensis, Neocraspedites speetonensis (Spath, 1924) † (FOSSIL)
sphaericus, Amundiptychites sphaericus (Koenen, 1902) † (FOSSIL)
stenomphalus, Bojarkia stenomphalus (Pavlow, 1890) † (FOSSIL)
stubendorffi, Siberiptychites stubendorffi Schmidt, 1872 † (FOSSIL)
subcoronatus, Euryptychites subcoronatus Alsen, 2006 † (FOSSIL)
subditus, Craspedites subditus (Trautschold, 1877) † (FOSSIL)
surlyki, Surlykites surlyki Alsen, 2006 † (FOSSIL)
sverdrupi, Amundiptychites sverdrupi (Kemper & Jeletzky, 1979) † (FOSSIL)
syzranicum, Russanovia syzranicum (Pavlow & Lamplugh, 1892) † (FOSSIL)
tealli, Bojarkia tealli Casey, 1973 † (FOSSIL)
tenuicostatus, Propolyptychites tenuicostatus Kemper, 1968 † (FOSSIL)
thorsteinssoni, Amundiptychites thorsteinssoni Jeletzky & Kemper, 1988 † (FOSSIL)
thurrelli, Craspedites thurrelli Casey † (FOSSIL)
tolli, Tollia tolli Pavlow, 1914 † (FOSSIL)
tozeri, Ringnesiceras tozeri Kemper & Jeletzky, 1979 † (FOSSIL)
traillensis, Euryptychites traillensis (Donovan, 1953) † (FOSSIL)
triptychiformis, Russanovia triptychiformis (Nikitin, 1888) † (FOSSIL)
tschekanovskii, Polyptychites tschekanovskii Pavlov, 1914 † (FOSSIL)
tuberculatus, Polyptychites tuberculatus Bogoslowsky, 1902 † (FOSSIL)
typicus, Dichotomites typicus Spath, 1924 † (FOSSIL)
undulatocostata, Neocraspedites undulatocostata (Donovan, 1953) † (FOSSIL)
variisculptum, Nikitinoceras variisculptum Pavlow, 1914 † (FOSSIL)
villersensis, Polyptychites villersensis Baumberger, 1908 † (FOSSIL)
|