Classification of Kennedy et al. 1973

Fm. †Baculitidae Gill 1871
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G. †Baculites Lamarck 1799
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†Baculites capensis Woods 1906
Fm. †Collignoniceratidae Wright and Wright 1951
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Subfm. †Texanitinae Collignon 1948
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G. †Submortoniceras Spath 1926
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†Submortoniceras woodsi Spath 1921
G. †Texanites Spath 1932
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Subg. †Texanites (Plesiotexanites) Matsumoto 1970
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Fm. †Inoceramidae Giebel 1852
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G. †Inoceramus Sowerby 1814
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Subg. †Inoceramus (Cataceramus) Cox 1969
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Subg. †Inoceramus (Endocostea) Whitfield 1877
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†Inoceramus (Endocostea) mulleri Petrascheck 1961
Subg. †Inoceramus (Sphenoceramus) Böhm 1915
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†Inoceramus (Sphenoceramus) pachti Archanguelsky 1916
Fm. †Placenticeratidae Hyatt 1900
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G. †Hoplitoplacenticeras Paulcke 1906
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Fm. †Kossmaticeratidae Spath 1922
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G. †Kossmaticeras de Grossouvre 1901
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Subg. †Kossmaticeras (Natalites) Collignon 1954
Fm. †Pachydiscidae Spath 1922
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G. †Anapachydiscus Yabe and Shimizu 1926
G. †Eupachydiscus Spath 1922
Fm. †Desmoceratidae Zittel 1895
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Subfm. †Hauericeratinae Matsumoto 1938
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G. †Hauericeras de Grossouvre 1894
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†Hauericeras gardeni Baily 1855
Fm. †Tetragonitidae Hyatt 1900
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Subfm. †Gaudryceratinae Spath 1927
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G. †Anagaudryceras Shimizu 1934
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†Anagaudryceras subsacya Marshall 1926