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Genus: Allumettoceras Foerste, 1926 † (DB: 5 SP)
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Allumettoceras courtownense
J. Evans, 1994 † (FOSSIL)
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Allumettoceras giganteum
Flower, 1947 † (FOSSIL)
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Allumettoceras mjoesense
Sweet, 1958 † (FOSSIL)
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Allumettoceras oneratum
J. Evans, 1994 † (FOSSIL)
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Allumettoceras tenerum
(Billings, 1860 †) (FOSSIL)
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Genus: Richmondoceras Frey , 1995 † (DB: 1 SP)
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Richmondoceras brevicameratum
M.A. Frey, 1995 † (FOSSIL)
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Genus: Tripteroceras Hyatt, 1884 † (DB: 2 SP)
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Tripteroceras cariniferum
Flower, 1952 † (FOSSIL)
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Tripteroceras problematicum
Sweet, 1958 † (FOSSIL)
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