Cephalopoda - Ammonitida - Hildoceratidae

Full reference: G.E.G. Westermann. 1964. The ammonite fauna of the Kialagvik Formation at Wide Bay, Alaska Peninsula; Part I. Lower Bajocian (Aalenian). Bulletins of American Paleontology 216:1-179

Parent taxon: Tmetoceras according to G.E.G. Westermann 1964

Sister taxa: Tmetoceras circulare, Tmetoceras difalensis, Tmetoceras hollandae, Tmetoceras kirki, Tmetoceras regleyi, Tmetoceras scissum, Tmetoceras tenui

Subtaxa: Tmetoceras (Tmetoites) alpinum

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Ecology: fast-moving nektonic carnivore

Distribution: there are no occurrences of Tmetoceras (Tmetoites) in the database

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