Classification of Hoare et al. 1997
G. †Abylea Sturgeon 1964
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†Abylea formosa Hoare et al. 1997
†Abylea insolitus Hoare et al. 1997
†Abylea minuta Sturgeon 1964
†Abylea paradoxus Hoare et al. 1997
G. †Colpites Knight 1936
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†Colpites lirata Hoare et al. 1997
†Colpites striata Batten 1989
G. †Euconospira Ulrich and Scofield 1897
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†Euconospira equisita Hoare et al. 1997
†Euconospira turbiniformis Meek and Worthen 1860
G. †Neilsonia Thomas 1940
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†Neilsonia insculpta Hall 1856
†Neilsonia invisitata Hoare et al. 1997
†Neilsonia laticincta Batten 1989
†Neilsonia welleri Thein and Nitecki 1974
G. †Spiroscala Knight 1945
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†Spiroscala conoides Meek and Worthen 1867
†Spiroscala decorata Hoare et al. 1997
†Spiroscala pagoda Knight 1945
†Spiroscala rockymontana Girty 1934
G. †Worthenia de Koninck 1883
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†Worthenia parvula Hoare et al. 1997
†Worthenia tabulata Conrad 1835
G. †Ceraunocochlis Knight 1931
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†Ceraunocochlis blatta Knight 1931
†Ceraunocochlis fulminula Knight 1931
†Ceraunocochlis subulata Hoare et al. 1997
G. †Streptacis Meek 1871
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†Streptacis cerithiformis Meek and Worthen 1860
†Streptacis complanata Hoare et al. 1997
†Streptacis ingens Hoare et al. 1997
†Streptacis meeki Knight 1931
†Streptacis scalpta Knight 1931
†Streptacis whitfieldi Meek 1871
Fm. Turritellidae Lovén 1847 [turret shell]
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G. †Callispira Nelson 1947
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†Callispira grossa Hoare et al. 1997
†Callispira novemcostata Nelson 1947
†Callispira quinquecostata Nelson 1947
†Bellerophon crassus Meek and Worthen 1860
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†Bellerophon crassus wewokanus Girty 1912
G. †Glyptotomaria Knight 1945
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Subg. †Glyptotomaria (Dictyotomaria) Knight 1945
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†Glyptotomaria (Dictyotomaria) decora Hoare et al. 1997
†Glyptotomaria (Dictyotomaria) faceta Hoare et al. 1997
†Glyptotomaria (Dictyotomaria) quadrilineata Girty 1934
Subg. †Bellerophon (Pharkidonotus) Girty 1912
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†Bellerophon (Pharkidonotus) breyeri Hoare et al. 1997
Subg. †Knightites (Retispira) Knight 1945
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†Knightites (Retispira) bellireticulata Knight 1945
†Knightites (Retispira) fascireticulatus Hoare et al. 1997
†Knightites (Retispira) nodulifera Hoare 1961
Subg. †Knightites (Cymatospira) Knight 1942
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†Knightites (Cymatospira) montfortianus Norwood and Pratten 1855
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†Knightites (Cymatospira) montfortianus discordis Hoare et al. 1997
†Knightites (Cymatospira) textiliformis Gurley 1883
Subg. †Glyptomaria (Dictyotomaria) Knight 1945
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†Glyptomaria (Dictyotomaria) concinna Hoare et al. 1997
Subg. †Bellerophon (Bellerophon) de Montfort 1808
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†Bellerophon (Bellerophon) crassus Meek and Worthen 1860
†Bellerophon (Bellerophon) graphicus Moore 1941
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†Bellerophon (Bellerophon) graphicus varicallis Hoare et al. 1997
†Bellerophon (Bellerophon) laticallis Hoare et al. 1997
†Bellerophon (Bellerophon) singularis Moore 1941