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Genus: Buttsoceras Ulrich & Foerste, 1933 † (DB: 6 SP)
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Buttsoceras adamsi
(Butts, 1926 †) (FOSSIL)
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Buttsoceras atticus
(Billings, 1865 †) (FOSSIL)
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Buttsoceras novemexicanum
Flower, 1962 † (FOSSIL)
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Buttsoceras odenvillense
Ulrich & al., 1944 † (FOSSIL)
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Buttsoceras vandiverense
Ulrich & al., 1944 † (FOSSIL)
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Buttsoceras williamsi
Flower, 1962 † (FOSSIL)
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Genus: Moridunoceras Evans , 2005 † (DB: 1 SP)
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Moridunoceras castelli
J. Evans, 2005 † (FOSSIL)
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Genus: Tajaroceras Hook & Flower, 1976 † (DB: 1 SP)
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Tajaroceras wardae
Hook & Flower, 1976 † (FOSSIL)
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Genus: Thoraloceras Kröger & Evans, 2011 † (DB: 1 SP)
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Thoraloceras bactritoides
Kröger & J. Evans, 2011 † (FOSSIL)
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Genus: Troedssonella Kobayashi, 1935 † (DB: 1 SP)
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Troedssonella endoceroides
(Troedsson, 1932 †) (FOSSIL)
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