Classification of Hall 1876
G. †Bellerophon de Montfort 1808
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†Bellerophon crenistria Hall 1876
†Bellerophon leda Hall 1859
†Bellerophon maera Hall 1876
†Bellerophon natator Hall 1860
†Bellerophon neleus Hall 1876
†Bellerophon obsoletus Hall 1876
†Bellerophon otsego Hall 1859
†Bellerophon pelops Hall 1862
G. †Cyclonema Hall 1852
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†Cyclonema concinna Hall 1876
†Cyclonema lirata Hall 1860
†Cyclonema obsolescens Hall 1876
G. †Euomphalus Sowerby 1814
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†Euomphalus eboracensis Hall 1859
†Euomphalus tioga Hall 1876
G. †Isonema Meek and Worthen 1866
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†Isonema bellatula Hall 1861
†Isonema imitator Hall and Whitfield 1872
†Isonema lichas Hall 1861
G. †Platyceras Conrad 1840
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†Platyceras auriculatum Hall 1876
†Platyceras erectum Hall 1843
G. †Pleurotomaria Defrance 1826
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†Pleurotomaria apicalis Hall 1876
†Pleurotomaria capillaria Conrad 1842
†Pleurotomaria disjuncta Hall 1876
†Pleurotomaria ella Hall 1876
†Pleurotomaria filitexta Hall 1876
†Pleurotomaria hebe Hall 1861
†Pleurotomaria insolita Hall 1876
†Pleurotomaria itys Hall 1876
†Pleurotomaria lucina Hall 1862
†Pleurotomaria planidorsalis Hall 1876
†Pleurotomaria plena Hall 1876
†Pleurotomaria rotalia Hall 1862
†Pleurotomaria sulcomarginata Conrad 1842
G. †Loxonema Phillips 1841
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†Loxonema bellona Hall 1876
†Loxonema coapta Hall 1876
†Loxonema hamiltoniae Hall 1859
†Loxonema robusta Hall 1859
†Loxonema styliola Hall 1876
†Loxonema teres Hall 1876
G. †Proetus Steininger 1831
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†Proetus crassimarginatus Hall 1843
†Proetus haldemani Hall 1861
†Proetus hesione Hall 1861
†Proetus rowi Green 1838
G. †Dalmanites Barrande 1852
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†Dalmanites anchiops Green 1832
†Dalmanites calypso Hall 1861
G. †Platyostoma Conrad 1842
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†Platyostoma lineata Conrad 1842
†Platyostoma plebia Hall 1876
Subg. †Euomphalus (Straparollus) de Montfort 1810
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†Euomphalus (Straparollus) hecale Hall 1876
†Euomphalus (Straparollus) inops Hall 1876
†Euomphalus (Straparollus) rudis Hall 1876
†Heliophyllum halli Edwards and Haime 1851
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†Heliophyllum halli reflexum Hall 1876