Class Cephalopoda Cuvier, 1797
Order Ellesmeroceratida Flower in Flower & Kummel, 1950
Family Ellesmeroceratidae Kobayashi, 1934
Genus Walcottoceras Ulrich & Foerste, 1936
Walcottoceras monsense (Walcott), 1924
Family Protocycloceratidae Kobayashi, 1935
Genus Protocycloceras Hyatt, 1900
Protocycloceras sp. B Hook & Flower, 1977
Protocycloceras sp. E Hook & Flower, 1977
Genus Catoraphiceras Ulrich & Foerste, 1936
Catoraphiceras colon (White), 1877
Catoraphiceras ibexense Hook & Flower, 1977
Catoraphiceras cf. C. staceyae Hook & Flower, 1977
Catoraphiceras cf. C. pearsonae Hook & Flower, 1977
Catoraphiceras pearsonae Hook & Flower, 1977
Catoraphiceras spp. Hook & Flower, 1977
Genus Cyptendoceras Ulrich & Foerste, 1936
Cyptendoceras cf. C. rhythmicum Flower, 1964
Cyptendoceras cf. C. ruedemanni Ulrich & Foerste, 1936
Cyptendoceras? sp. Hook & Flower, 1977
Protocyclocerid Hintze & Davis 2003
Family Rudolfoceratidae Ulrich, Foerste, Miller, & Unklesbay, 1944
Genus Rudolfoceras Ulrich, Foerste, Miller, & Unklesbay, 1944
Rudolfoceras russelli Hook & Flower, 1977
Rudolfoceras? sp. Hook & Flower, 1977
Family Bassleroceratidae
Ulrich, Foerste, Miller, & Unklesbay, 1944
Genus Bassleroceras Dwight, 1884
Bassleroceras
Hintze & Davis 2003
Family Cyclostomiceratidae Foerste, 1925
Genus Cyclostomiceras
Hyatt, 1900
Cyclostomiceras Hintze &
Davis, 2003
Subclass Endoceratoidia Mutvei, 2013
Order Bisonoceratida Evans & King, 2012
Family Bisonoceratidae Evans & King, 2012
Genus Bisonoceras Flower, 1964
Bisonoceras Hintze & Davis 2003
Family Piloceratidae Miller, 1889
Genus Dartonoceras Flower, 1964
Dartonoceras Hintze & Davis 2003
Family Allotrioceratidae Flower, 1955
Genus Cacheoceras Flower, 1968
Cacheoceras uninodum Flower, 1976
Cacheoceras trifidum Flower 1968
Genus Williamsoceras Flower, 1964
Williamsoceras adnatum Flower 1964
Williamsoceras cf. W. adnatum Flower 1964
Williamsoceras pedunculatum Flower 1968
Williamsoceras cf. pedunculatum Flower 1968
Williamsoceras ankhiferum Flower 1968
Williamsoceras cf. W. ankhiferum Flower 1968
Williamsoceras ellipticum Flower 1976
Williamsoceras compressum Flower 1976
Family Manchuroceratidae
Genus Juaboceras Flower,
1968
Juaboceras brathwaitei Flower, 1968
Family Padunoceratidae
Balashov, 1960
Genus Rossoceras Flower, 1964
Rossoceras lamelliferum Flower 1964
Rossoceras cf. lamelliferum Flower
Rossoceras dentiferum Flower
Rossoceras circulatum Gil 1988
Rossoceras cf. circulatum Gil 1988
Rossoceras n. sp. Gil 1988
Rossoceras sp. Gil 1988
Rossoceras sp. Flower 1968, Flower 1976
cf. Rossoceras Gil 1988
aff. Rossoceras Gil 1988
Genus Evencoceras Balashov, 1960
Evencoceras raymondi Gil 1988
Order Endoceratida Hyatt, 1900
Family Proterocameroceratidae Kobayashi, 1937
Genus Phragmosiphon Flower, 1956
Phragmosiphon? sp. Hook & Flower, 1977
Genus Clitendoceras Ulrich & Foerste, 1935
Clitendoceras Hintze & Davis, 2003
Genus Manitouoceras Ulrich, Foerste, Miller, & Unklesbay, 1944
Manitouoceras Hintze & Davis, 2003
Genus Proendoceras Flower, 1955
Proendoceras Hintze & Davis, 2003
Family Endoceratidae Hyatt, 1884
Genus Kiotoceras Flower, 1971
Kiotoceras gilesae Flower, 1976
Kiotoceras ibexense Flower, 1976
Kiotoceras? multiseptatum Flower, 1976
Genus Ignoceras Flower, 1976
Ignoceras obliquum Flower, 1976
Genus Cameroceras Conrad, 1842
Cameroceras compressum Gil, 1988
Cameroceras manueli Gil 1988
Cameroceras n. sp. Gil, 1988
Cameroceras sp. indet. Gil, 1988
cf. Cameroceras Gil, 1988
unnamed new genus new species Hook & Flower, 1977
indet. Gil, 1988
Subclass Multiceratoidia Mutvei, 2013
Order Uncertain
Genus Enigmoceras Hook & Flower, 1977
Enigmoceras diaboli Hook & Flower 1977
Order Oncoceratida Flower in Flower & Kummel, 1950
Family Diestoceratidae Foerste 1926
Genus Diestoceras Foerste 1924
Diestoceras?
Family Oncoceratidae Hyatt 1884
Genus Graciloceras Flower 1943
Graciloceras sp.
Order Discosorida Flower, 1950
Family Apocrinoceratidae Flower and Teichert, 1957
Genus Bakeroceras Hook & Flower, 1977
Bakeroceras wahwahense Hook & Flower, 1977
Order Tarphyceratida Flower in Flower & Kummel, 1950
Family Estonioceratidae Hyatt 1900
Genus Aphetoceras Hyatt 1894
Aphetoceras sp. (Fillmore D)
Genus Deltoceras Hyatt 1894
Deltoceras sp. (Wah Wah)
Family Trocholitidae Chapman 1857
Genus Curtoceras Ulrich, Foerste, Miller, & Furnish, 1942
Curtoceras sp. (Wah Wah)
Genus Plectolites Flower, 1968
Plectolites costatus Flower, 1968
Plectolites sp. (Juab L)
Plectolites sp. (Kanosh N)
Genus Litoceras Hyatt, 1883
Litoceras adamsi Flower, 1968
Litoceras sp. (Kanosh N)
Trocholitidae n. gen. (Wah Wah)
Family Tarphyceratidae Hyatt 1894
Genus Campbelloceras Ulrich & Foerste, 1936
Campbelloceras sp. (Fillmore)
Genus Tarphyceras Hyatt 1894
Tarphyceras sp. (Fillmore)
Genus Pionoceras Ulrich, Foerste, Miller, & Furnish, 1942
Pionoceras sp. (Wah Wah)
Coiled indet. (Fillmore I)
Subclass Orthoceratoidia Teichert, 1967
Order Rioceratida King & Evans 2019
Family Rioceratidae Kröger & Evans, 2011
Genus Rioceras Flower, 1964
Rioceras? sp. Hook & Flower, 1977
Order Dissidoceratida Zhuravleva, 1994
Family Rangeroceratidae Evans, 2005
Genus Rangeroceras Hook & Flower, 1977
Rangeroceras hintzei Hook & Flower, 1977
Genus Anrangeroceras Kröger & Landing, 2009
Anrangeroceras laswelli (Hook & Flower), 1977
Anrangeroceras aff. P. laswelli (Hook & Flower), 1977
Order Actinoceratida Teichert, 1933
Family Wutinoceratidae
Shimizu & Obata, 1936
Genus Adamsoceras Flower, 1957
Adamsoceras lehmanense Flower, 1968
Genus Wutinoceras Shimizu & Obata, 1936
Wutinoceras davisi Flower, 1968
Family Huroniidae Foerste & Teichert, 1930
Genus Huronia Stokes, 1824
Huronia vertebralis Stokes, 1824
Family Carbactinoceratidae Schindewolf, 1943
Genus Rayonnoceras Croneis, 1926
Rayonnoceras cf. R. solidiforme Croneis, 1926
Rayonnoceras? cf. R.? excentricum Gordon 1965
Rayonnoceras sp. Gordon & Yochelson 1987
Rayonnoceras Gordon 1964
Order Orthoceratida Kuhn, 1940
Family Baltoceratidae Kobayashi, 1935
Genus Veneficoceras Hook & Flower, 1977
Veneficoceras susanae Hook & Flower, 1977
Genus Rhabdiferoceras Flower, 1964
Rhabdiferoceras planiseptatum Hook & Flower, 1977
Genus Amsleroceras Hook & Flower, 1977
Amsleroceras gracile Hook & Flower, 1977
Baltoceratid indeterminate Gil, 1988
Baltoceratid Hintze & Davis, 2003
Baltoceratid genus & species indet. Hook & Flower, 1977
unnamed Baltoceratid Hook & Flower 1977
Family Troedssonellidae Kobayashi, 1935
Genus Buttsoceras
Ulrich & Foerste, 1933
Buttsoceras williamsi Flower,
1962
Buttsoceras aff. B. novemexicanum Flower 1962
Genus Tajaroceras Hook & Flower, 1976
Tajaroceras wardae Hook & Flower 1976
Tajaroceras spp. Hook & Flower, 1977
Tajaroceras ? sp. Hook & Flower, 1977
Troedssonellid genus & species indet. Hook & Flower 1977
Family Orthoceratidae M’Coy, 1844
Genus Wardoceras Hook & Flower, 1977
Wardoceras orygoforme Hook & Flower, 1977
Genus Palorthoceras Kröger, Beresi, & Landing, 2007
Palorthoceras Kayseri Kröger, Beresi, & Landing 2007
Genus Michelinoceras Foerste, 1932
Michelinoceras sp. indet. Gil, 1988
Genus Aethiosolen Flower, 1968
Aethiosolen Flower, 1968
Genus Orthoceras Bruguière, 1789
Orthoceras? Miller & Youngquist, 1949
Genus Trematoceras Eichwald, 1851
Trematoceras sp. Brayard et al., 2019
Trematoceras sp. (Anasibirites bed & Ussurites beds)
Unprepared Flower 1968
Orthocerid gen. sp. indet. Gordon & Duncan 1970
Order Pseudorthoceratida Flower & Caster, 1935
Family Pseudorthoceratidae Flower & Caster, 1935
Genus Mitorthoceras Gordon, 1960
Mitorthoceras perfilosum Gordon 1960
Family Spyroceratidae Shimizu & Obata, 1935
Genus Reticycloceras Gordon, 1960
Reticycloceras
Reticycloceras Gordon 1960, Gordon, 1964
Reticycloceras sp. Gordon & Duncan, 1970
Genus Euloxoceras Miller, Dunbar, & Condra, 1933
Euloxoceras Gordon & Yochelson, 1987
Genus Dolorthoceras Miller, 1931
Dolorthoceras sp. Hose, 1966
Order Bactritida Shimanskiy, 1951
Family Bactritidae Hyatt 1884
Genus Bactrites Sandberger 1843
Bactrites cf. B. carbonarius Smith 1903
Bactrites sp.
Subclass Nautiloidia Wade, 1988
Order Nautilida Agassiz, 1847
Superfamily Clydonautiloidea Hyatt in Zittel 1900
Family Liroceratidae Miller & Youngquist 1949
Genus Liroceras Teichert 1940
Liroceras sp.
Superfamily Trigonoceratoidea Hyatt 1884
Family Trigonoceratidae Hyatt 1884
Genus Epistroboceras Turner 1954
Epistroboceras texanum Miller & Youngquist 1948
Superfamily Tainoceratoidea Hyatt, 1883
Family Koninckioceratidae Hyatt in Zittel 1900
Genus Valhallites Shimanskiy, 1959
Valhallites ornatus Girty, 1911
Family Gzheloceratidae Ruzhentsev & Shimanskiy 1954
Genus Tylonautilus Pringle & Jackson 1928
Tylonautilus sp.
Family Tainoceratidae Hyatt, 1883
Genus Phaedrysmocheilus Shimansky & Erlanger, 1955
Phaedrysmocheilus idahoensis (Kummel, 1953)
Genus Metacoceras Hyatt, 1883
Metacoceras sp.
Superfamily Nautiloidea de Blainville 1825
Family Nautilidae de Blainville 1825
Genus Eutrephoceras Hyatt 1894
Eutrephoceras alcesense Reeside 1927
Eutrephoceras n. sp.
Eutrephoceras nebrascensis Meek & Hayden, 1862
Genus Nautilus Linnaeus 1758
Nautilus sp.
Nautilus?
Subclass Ammonoidia Fischer, 1882
Order Agoniatitida Ruzhencev, 1957
Superfamily Gephuroceratoidea Frech, 1897
Family Gephuroceratidae Frech, 1897
Genus Manticoceras Hyatt, 1884
Manticoceras sp.
Order Clymeniida Hyatt, 1884
Superfamily Cyrtoclymenioidea Hyatt, 1884
Family Cyrtoclymeniidae Hyatt, 1884
Genus Cyrtoclymenia Hyatt, 1884
Cyrtoclymenia sp.
Order Goniatitida Hyatt, 1884
Superfamily Prionoceratoidea Hyatt, 1884
Family Prionoceratidae Hyatt, 1884
Genus Imitoceras Schindewolf, 1923
Imitoceras sp.
Family Gattendorfiidae Bartzsch & Weyer, 1987
Genus Gattendorfia Schindewolf, 1920
Gattendorfia sp.
Superfamily Pericycloidea Hyatt, 1900
Family Pericyclidae Hyatt, 1900
Genus Pericyclus Mojsisovics, 1882
Pericyclus sp.
Genus Rotopericyclus Turner, 1948
Rotopericyclus brazerensis Gordon, 1986
Family Maxigoniatitidae Korn, Klug & Mapes, 1999
Genus Dzhaprakoceras Popov, 1965
Dzhaprakoceras djaprakense (Librovitch, 1927)
Dzhaprakoceras gordoni Petersen, Korn & Kullmann, 2000
Genus Bollandoceras Bisat, 1952
Bollandoceras occidentale Korn & Titus, 2011
Family Entogonitidae Ruzhencev & Bogoslovskaya, 1971
Genus Entogonites Kittl, 1904
Entogonites borealis Gordon, 1957
Entogonites burbankensis Korn & Titus, 2011
Entogonites acus Korn & Titus, 2011
Superfamily Goniatitoidea de Haan, 1825
Family Goniatitidae de Haan, 1825
Genus Goniatites de Haan, 1825
Goniatites americanus Gordon, 1971
Goniatites deceptus Korn & Titus, 2011
Goniatites sowerbyi Korn & Titus, 2011
Goniatites eaganensis Korn & Titus, 2011
Goniatites hamiltonense Korn & Titus, 2011
Genus Lusitanoceras Pereira de Sousa, 1923
Lusitanoceras granosum (Portlock, 1843)
Family Delepinoceratidae Ruzhencev, 1957
Genus Delepinoceras Miller & Furnish, 1954
Delepinoceras californicum Gordon, 1964
Genus Choctawites Korn & Titus, 2015
Choctawites choctawensis (Shumard, 1863)
Family Agathiceratidae Arthaber, 1911
Genus Pericleites Renz, 1910
Pericleites pilatus Ruan, 1981
Genus Proshumardites Rauser-Tschernoussowa, 1928
Proshumardites cf. P. delepinei Schindewolf, 1939
Superfamily Neoglyphioceratoidea Plummer & Scott, 1937
Family Neoglyphioceratidae Plummer & Scott, 1937
Genus Lusitanites Ruzhencev & Bogoslovskaya, 1971
Lusitanites subcircularis (Miller, 1889)
Genus Pachylyroceras Ruzhencev & Bogoslovskaya, 1971
Pachylyroceras utahense (Miller, Youngquist & Nielsen, 1952)
Family Cravenoceratidae Ruzhencev, 1957
Genus Cravenoceras Bisat, 1928
Cravenoceras kingi (Hall & Whitfield, 1877)
Superfamily Gastrioceratoidea Hyatt, 1884
Family Gastrioceratidae Hyatt, 1884
Genus Gastrioceras Hyatt, 1884
Gastrioceras sp.
Superfamily Somoholitoidea Ruzhencev, 1938
Family Glaphyritidae Ruzhencev & Bogoslovskaya, 1971
Genus Zephyroceras Kullmann, 1962
Zephyroceras friscoense (Miller & Owen, 1944)
Genus Glaphyrites Ruzhencev, 1936
Glaphyrites millardensis Titus, 2000
Genus Cryptotyloceras Titus, 2000
Cryptotyloceras gordoni Titus, 2000
Genus Eosyngastrioceras Titus, 2000
Eosyngastrioceras quadratum Titus 2000
Eosyngastrioceras inexpectans Titus, 2000
Eosyngastrioceras hesperium (Miller & Furnish, 1940)
Genus Syngastrioceras Librovitch, 1938
Syngastrioceras websteri Titus, 2000
Genus Richardsonites Elias, 1956
Richardsonites richardsonianus (Girty, 1909)
Family Stenoglaphyritidae Ruzhencev & Bogoslovskaya, 1971
Genus Stenoglaphyrites Ruzhencev & Bogoslovskaya, 1971
Stenoglaphyrites merriami (Youngquist, 1949)
Genus Euroceras Ruzhencev & Bogoslovskaya, 1971
Euroceras sp.
Superfamily Girtyoceratoidea Wedekind, 1918
Family Girtyoceratidae Wedekind, 1918
Genus Calygirtyoceras Korn, Klug & Mapes, 1999
Calygirtyoceras arcticum Gordon, 1957
Calygirtyoceras confusionense Korn & Titus, 2011
Genus Girtyoceras Wedekind, 1918
Girtyoceras primum Korn & Titus, 2011
Girtyoceras gordoni Korn & Titus, 2011
Girtyoceras sp.
Genus Sulcogirtyoceras Ruzhencev, 1960
Sulcogirtyoceras ornatissimum (Miller & Youngquist, 1948)
Genus Edmooroceras Elias, 1956
Edmooroceras plummeri (Miller & Youngquist, 1948)
Genus Tumulites McCaleb, Quinn & Furnish, 1964
Tumulites varians McCaleb, Quinn & Furnish, 1964
Genus Eumorphoceras Girty, 1909
Eumorphoceras rotuliforme Ruan, 1981
Eumorphoceras girtyi Elias, 1956
Superfamily Dimorphoceratoidea Hyatt, 1884
Family Dimorphoceratidae Hyatt, 1884
Genus Dimorphoceras Hyatt, 1884
Dimorphoceras worki Korn & Titus, 2011
Dimorphoceras rileyi Korn & Titus, 2011
Dimorphoceras sp.
Genus Metadimorphoceras Moore, 1958
Metadimorphoceras mangeri, Korn & Titus, 2011
Metadimorphoceras richardsi Korn & Titus, 2011
Metadimorphoceras sp.
Genus Glyphiolobus Gordon, 1965
Glyphiolobus pseudodiscrepans (Moore, 1939)
Family Berkhoceratidae Librovitch, 1957
Genus Kazakhoceras Ruzhencev, 1947
Kazakhoceras bylundi Korn & Titus, 2011
Superfamily Neoicocerataceae Hyatt, 1900
Family Paragastrioceratidae Ruzhencev, 1951
Genus Stenolobulites Mikesh, Glenister & Furnish, 1988
Stenolobulites sinuosus Mikesh, Glenister & Furnish, 1988
Cornaptycus Closs, Gordon, & Yochelson, 1964
Order Prolecanitida Miller & Furnish, 1954
Superfamily Prolecanitoidea Hyatt, 1884
Family Prolecanitidae Hyatt, 1884
Genus Protocanites Schmidt, 1922
Protocanites lyoni (Meek & Worthen, 1860)
Genus Prolecanites Mojsisovics, 1882
Prolecanites sp.
Genus Dombarocanites Ruzhencev, 1949
Dombarocanites sp.
Family Daraelitidae Tchernow, 1907
Genus Praedaraelites Schindewolf, 1934
Praedaraelites loeblichi (Miller & Furnish, 1940)
Superfamily Medlicottioidea Karpinsky, 1889
Family Pronoritidae Frech, 1901
Genus Pronorites Mojsisovics, 1882
Pronorites baconi (Miller, Youngquist & Nielsen, 1952)
Pronorites sp.
Order Ceratitida Hyatt, 1884
Superfamily Xenodiscoidea Frech, 1902
Family Kashmiritidae Spath, 1934
Genus Kashmirites Diener, 1913
Kashmirites confusionensis Brayard et al., 2013
Kashmirites stepheni Brayard et al., 2013
Kashmirites utahensis Brayard et al., 2013
Kashmirites n. sp. (Brayard et al., 2013 P. toulai)
Genus Preflorianites Spath, 1930
Preflorianites toulai (Smith, 1932)
Genus Hanielites Welter, 1922
Hanielites sp. indet. Brayard et al., 2013
Family Xenoceltitidae Spath, 1930
Genus Xenoceltites Spath, 1930
Xenoceltites subevolutus Spath, 1930
Xenoceltites matheri Mathews, 1929
Xenoceltites douglasensis Mathews, 1929
Xenoceltites cordilleranus Smith, 1932
Glyptophiceras hannai (Mathews, 1929)
Superfamily Meekoceratoidea Waagen, 1895
Family Gyronitidae Waagen, 1895
Genus Radioceras Waterhouse, 1996
Radioceras aff. evolvens (Waagen, 1895)
Family Proptychitidae Waagen, 1895
Genus Guodunites Brayard & Bucher, 2008
Guodunites hooveri (Hyatt & Smith, 1905)
Genus Wailiceras Brayard & Bucher, 2008
Wailiceras cf. aemulus Brayard & Bucher, 2008
Genus Xiaoqiaoceras Brayard & Bucher, 2008
?Xiaoqiaoceras americanum Brayard et al., 2013
Family Galfettitidae Brühwiler & Bucher, 2012
Genus Vercherites Brühwiler et al., 2010
Vercherites undulatus Brayard et al., 2013
Family Flemingitidae Hyatt, 1900
Genus Flemingites Spath, 1934
Flemingites sp. indet. Brayard et al., 2013
Genus Anaflemingites Kummel & Steele, 1962
Anaflemingites silberlingi Kummel & Steele, 1962
Anaflemingites russelli Hyatt & Smith, 1905
Genus Euflemingites Spath, 1934
Euflemingites cirratus (White, 1880)
Family Paranannitidae Spath, 1930
Genus Owenites Hyatt & Smith, 1905
Owenites koeneni Hyatt & Smith, 1905
Owenites carpenteri Smith, 1932
Family Melagathiceratidae Tozer, 1971
Genus Juvenites Smith, 1927
Juvenites spathi (Frebold, 1930)
Juvenites thermarum Smith, 1927
Family Dieneroceratidae Kummel, 1952
Genus Dieneroceras Spath, 1934
Dieneroceras dieneri (Hyatt & Smith, 1905)
Genus Wyomingites Hyatt, 1900
Wyomingites aplanatus (White, 1879)
Family Arctoceratidae Arthaber, 1911
Genus Arctoceras Hyatt, 1900
Arctoceras tuberculatum (Smith, 1932)
Genus Churkites Okuneva, 1990
Churkites noblei Jenks, 2007
Genus Submeekoceras Spath, 1934
Submeekoceras mushbachanum (White, 1879)
Genus Minersvillites Brayard et al., 2013
Minersvillites farai Brayard et al., 2013
Family Inyoitidae Spath, 1934
Genus Inyoites Hyatt & Smith, 1905
Inyoites oweni Hyatt & Smith. 1905
Inyoites beaverensis Brayard et al., 2013
Family Lanceolitidae Spath, 1934
Genus Lanceolites Hyatt & Smith, 1905
Lanceolites compactus Hyatt & Smith, 1905
Lanceolites bicarinatus Smith, 1932
Family Ussuriidae Spath, 1930
Genus Parussuria Spath, 1934
Parussuria compressa (Hyatt & Smith, 1905)
Family Prionitidae Hyatt, 1900
Genus Meekoceras Hyatt (in White, 1879)
Meekoceras gracilitatis White, 1879
Meekoceras millardense Brayard et al., 2013
Meekoceras olivieri Brayard et al., 2013
Genus Anasibirites Mojsisovics, 1896
Anasibirites kingianus (Waagen, 1895)
Anasibirites multiformis Welter, 1922
Genus Hemiprionites Spath, 1929
Hemiprionites typus (Waagen, 1895)
Hemiprionites walcotti (Mathews, 1929)
Genus Wasatchites Mathews, 1929
Wasatchites perrini Mathews, 1929
Genus Gurleyites Mathews 1929
Gurleyites smithi Mathews 1929
Superfamily Sageceratoidea Hyatt, 1884
Family Hedenstroemiidae Waagen, 1895
Genus Pseudosageceras Diener, 1895
Pseudosageceras multilobatum Noetling, 1905
Pseudosageceras augustum (Brayard & Bucher, 2008)
Genus Hedenstroemia Waagen, 1895
Hedenstroemia kossmati Hyatt & Smith, 1905
Genus Cordillerites Hyatt & Smith, 1905
Cordillerites compressus Mathews, 1929
Family Aspenitidae Spath, 1934
Genus Aspenites Hyatt & Smith, 1905
Aspenites acutus Hyatt & Smith, 1905
Family Incertae Sedis
Superfamily Dinaritoidea Mojsisovics, 1882
Family Dinaritidae Mojsisovics, 1882
Genus Cowboyiceras Guex et al., 2005
Cowboyiceras farwestense Guex et al., 2005
Family Tirolitidae Mojsisovics, 1879
Genus Tirolites Mojsisovics, 1879
Tirolites cassianus (Quenstedt, 1849)
Tirolites smithi Kummel, 1969
Tirolites carniolicus ? Mojsisovics, 1882
Tirolites pacificus Hyatt & Smith, 1905
Family Columbitidae Spath, 1934
Genus Columbites Hyatt & Smith, 1905
Columbites parisianus Hyatt & Smith, 1905
Genus Idahocolumbites Guex et al., 2005
Idahocolumbites cheneyi (Kummel, 1969)
Idahocolumbites nevadi (Kummel, 1969)
Superfamily Ceratitoidea Mojsisovics, 1879
Family Longobarditidae Spath, 1951
Genus Prohungarites Spath, 1934
Prohungarites mckelvei Kummel, 1969
Genus Silberlingeria Waterhouse, 1999
Silberlingeria bearlakensis (Kummel, 1969)
Family Incerta Sedis
Genus Bajarunia Dagys, 1983
Bajarunia confusionensis Guex et al., 2005
Genus “Ophiceras”
“Ophiceras” spencei Hyatt & Smith, 1905
Genus Jeanbesseiceras Guex et al., 2005
Jeanbesseiceras jacksoni (Hyatt & Smith, 1905)
Order Ammonitida Fischer, 1882
Suborder Phylloceratina Zittel, 1884
Superfamily Ussuritoidea Hyatt, 1900
Family Ussuritidae Hyatt, 1900
Ussurites hosei Kummel, 1969
Suborder Lytoceratina Hyatt, 1899
Superfamily Lytoceratoidea Neumayr, 1875
Family Lytoceratidae Neumayr, 1875
Genus Lytoceras Suess, 1865
Lytoceras sp.
Suborder Ammonitina Fischer, 1882
Superfamily Stephanoceratoidea Neumayr, 1875
Family Sphaeroceratidae Buckman, 1920
Genus Eocephalites Imlay, 1967
Eocephalites primus Imlay, 1967
Eocephalites sp. undet. B
Eocephalites sp. undet. C
Genus Parachondroceras Imlay, 1967
Parachondroceras andrewsi Imlay, 1967
Parachondroceras filicostatum Imlay, 1967
Genus Megasphaeroceras Imlay, 1961
Megasphaeroceras rotundum Imlay, 1962
Genus Sohlites Imlay, 1967
Sohlites spinosus Imlay, 1967
Family Stephanoceratidae Neumayr, 1875
Genus Normannites Munier-Chalmas, 1892
Normannites ? cf. N. crickmayi (McLearn, 1927)
Genus Stemmatoceras Mascke, 1907
Stemmatoceras arcicostum Imlay, 1967
Stemmatoceras n. sp. aff. S. albertense McLearn, 1928
Genus Stephanoceras Waagen, 1869
Stephanoceras aff. S. nodosum (Quenstedt, ????)
Family Cardioceratidae Siemiradzki, 1891
Genus Cardioceras Neumayr & Uhlig, 1881
Cardioceras hyatti Reeside, 1919
Cardioceras sp. Imlay, 1982
Cardioceras ? Hoggan 1970
Genus Scarburgiceras Buckman, 1924
Scarburgiceras cordiforme (Meek & Hayden, 1859)
Scarburgiceras wyomingense Reeside, 1919
Genus Vertebriceras Buckman, 1920
Vertebriceras stantoni Reeside 1919
Genus Goliathiceras Buckman, 1919
Goliathiceras hoveyi (Reeside, 1919)
Goliathiceras russelli (Reeside, 1919)
Superfamily Spiroceratoidea Hyatt, 1900
Family Spiroceratidae Hyatt, 1900
Genus Spiroceras Quenstedt, 1856
Spiroceras sp.
Superfamily Haploceratoidea Zittel, 1884
Family Binneyitidae Reeside, 1927
Genus Binneyites Reeside, 1927
Binneyites parkensis Reeside, 1927
Superfamily Hoplitoidea Douvillé, 1890
Family Hoplitidae Douvillé, 1890
Genus Neogastroplites McLearn, 1931
Neogastroplites cornutus Reeside & Cobban, 1960
Neogastroplites americanus Reeside & Cobban, 1960
Family Placenticeratidae Hyatt, 1900
Genus Placenticeras Meek, 1876
Placenticeras cumminsi Cragin, 1893
Placenticeras pseudoplacenta Hyatt, 1903
Placenticeras fritschi de Grossouvre, 1894
Placenticeras planum Hyatt, 1903
Placenticeras pseudocostatum (Johnson, 1903) 2
Placenticeras sancarlosense Hyatt, 1903
Placenticeras guadalupae (Roemer, 1852)
Placenticeras interclare Meek, 1876
Superfamily Acanthoceratoidea de Grossouvre, 1894
Family Vascoceratidae Douvillé, 1912
Genus Vascoceras Choffat, 1898
Vascoceras birchbyi Cobban & Scott, 1972
Genus Fagesia Pervinquière 1907
Fagesia catinus (Mantell, 1822)
Family Acanthoceratidae de Grossouvre, 1894
Genus Euomphaloceras Spath, 1923
Euomphaloceras septemseriatum Cragin, 1893
Genus Morrowites Cobban & Hook, 1983
Morrowites depressus (Powell, 1963)
Genus Pseudocalycoceras Thomel, 1969
Pseudocalycoceras angolaense (Spath, 1931)
Genus Neocardioceras Spath, 1926
Neocardioceras juddii (Barrois & de Guerne, 1878)
Genus Watinoceras Warren, 1930
Watinoceras devonense Cobban, 1988
Genus Metoicoceras Hyatt, 1903
Metoicoceras geslinianum (d’Orbigny, 1878)
Family Collignoniceratidae Wright & Wright, 1951
Genus Collignoniceras Breistroffer, 1947
Collignoniceras woollgari (Mantell, 1822)
Genus Prionocyclus Meek, 1871
Prionocyclus hyatti (Stanton, 1893)
Prionocyclus albinus Fritsch, 1872
Prionocyclus macombi Meek, 1876a
Prionocyclus wyomingensis Meek, 1876b
Prionocyclus novimexicanus (Marcou, 1858)
Genus Forresteria Reeside, 1932
Forresteria alluaudi (Boule Lemoine & Thevenin, 1907)
Genus Peroniceras de Grossouvre, 1894
Peroniceras dravidicum (Kossmat, 1895)
Genus Protexanites Matsumoto 1955
Protexanites bourgeoisianus (d’Orbigny, 1850)
Genus Texanites Spath, 1932
Texanites texanus (Roemer, 1852)
Family Coilopoceratidae Hyatt, 1903
Genus Coilopoceras Hyatt, 1903
Coilopoceras colleti Hyatt, 1903
Coilopoceras inflatum Cobban & Hook, 1980
Suborder Ancyloceratina Weidmann, 1966
Superfamily Scaphitoidea Gill, 1871
Family Scaphitidae Gill, 1871
Genus Worthoceras Adkins, 1928
Worthoceras vermiculus (Shumard, 1860)
Genus Yezoites Yabe, 1910
Yezoites frontierensis (Cobban, 1951)
Yezoites uintensis (Cobban, 1951)
Genus Scaphites Parkinson, 1811
Scaphites carlilensis Morrow, 1935
Scaphites warren Meek & Hayden, 1860
Scaphites ferronensis Cobban, 1951
Scaphites whitfieldi Cobban, 1951
Scaphites impendicostatus Cobban, 1951
Scaphites preventricosus Cobban, 1951
Scaphites tetonensis Cobban, 1951
Scaphites binneyi Reeside, 1927
Scaphites depressus Reeside, 1927
Scaphites leei Reeside, 1927
Scaphites hippocrepis DeKay, 1827
Scaphites nanus Reeside, 1927
Genus Clioscaphites Cobban, 1951
Clioscaphites vermiformis (Meek & Hayden, 1862
Genus Desmoscaphites Reeside, 1927
Desmoscaphites bassleri Reeside, 1927
Genus Trachyscaphites Cobban & Scott, 1964
Trachyscaphites praespiniger Cobban & Scott, 1964
Genus Pteroscaphites Wright, 1953
Pteroscaphites sp.
Genus Haresiceras Reeside, 1927
Haresiceras (Mancosiceras) mancosense (Reeside, 1927)
Haresiceras fisheri Reeside, 1927
Superfamily Turrilitoidea Gill, 1871
Family Anisoceratidae Hyatt, 1900
Genus Allocrioceras Spath, 1926
Allocrioceras annulatum (Shumard, 1860)
Allocrioceras hazzardi Young, 1963
Allocrioceras burkhardti Kennedy & Cobban, 1991
Genus Phlycticrioceras Spath, 1926
Phlycticrioceras trinodosus (Geinitz, 1850)
Family Diplomoceratidae Spath, 1926
Genus Neocrioceras Spath, 1921
Neocrioceras maximum Kennedy & Cobban, 1991
Neocrioceras sp.
Genus Solenoceras Conrad, 1860
Solenoceras crassum Whitfield, 1877
Family Baculitidae Gill, 1871
Genus Sciponoceras Hyatt, 1894
Sciponoceras gracile (Shumard, 1860)
Genus Baculites Lamark, 1799
Baculites undulatus d’Orbigny 1850
Baculites yokoyamai Tokunaga & Shimizu, 1926
Baculites mariasensis Cobban, 1951
Baculites codyensis Reeside 1927
Baculites asperiformis Meek, 1876
Baculites thomi Reeside, 1927
Baculites aquilaensis Reeside, 1927
Baculites haresi Reeside, 1927
Baculites sp.
Family Nostoceratidae Hyatt, 1894
Genus Didymoceras Hyatt, 1894
Didymoceras n sp.
Subclass Coleoidia Bather, 1888
Order Hematitida Doguzhaeva et al, 2002
Family Hematitidae Gustomesov, 1976
Genus Hematites Flower & Gordon, 1959
Hematites barbarae Flower & Gordon, 1959
Hematites burbankensis Flower & Gordon, 1959
Order Belemnitida Zittel, 1895
Genus Pachyteuthis Bayle, 1878
Pachyteuthis densus (Meek & Hayden, 1865)
Order Teuthida Naef, 1916
Family Glochinomorphidae Gordon, 1971
Genus Glochinomorpha Gordon, 1971
Glochinomorpha stifeli Gordon, 1971