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Class: CEPHALOPODA
--- Taxon Tree: NAUTILOIDEA [Subclass] - ONCOCERIDA [Order]
------ Family: TRIPLEUROCERATIDAE Foerste, 1926 † (Sea) (FOSSIL)
DB counters: Genus=2, Subgenus=0, Species=2, Subspecies=0 ( 2 Species and 0 Subspecies have images)
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Genus: Tripleuroceras Hyatt, 1884 † (DB: 2 SP, 2 IMG)
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