Classification of the family Triainoceratidae
Fm. †Triainoceratidae Hyatt 1884
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G. †Sandbergeroceras Hyatt 1894
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†Sandbergeroceras enfieldense House and Kirchgasser 2008
†Sandbergeroceras syngonum Clarke 1897
G. †Schindewolfoceras Miller 1938
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†Schindewolfoceras alcaldei Montesinos and Henn 1986
†Schindewolfoceras chemungense Vanuxem 1842
†Schindewolfoceras equicostatum Hall 1874
G. †Triainoceras
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†Triainoceras anguliferum Roemer 1850
†Triainoceras costatum d'Archiac and de Verneuil 1842
†Triainoceras incertum d'Archiac and de Verneuil 1842
†Triainoceras tuberculosocostatum Sandberger and Sandberger 1850
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Invalid names: Sandbergeroceras sandbergorum Miller 1938 [synonym]
†Triainoceras tuberculosum d'Archiac and de Verneuil 1842
G. †Wellsites House and Kirchgasser 1993
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†Wellsites tynani House and Kirchgasser 1993
†Wellsites williamsi Wells 1956
Invalid names: Sandbergeroceratidae Miller 1938 [synonym]