Sumitomoceras Matsumoto 1969 (ammonite)

Cephalopoda - Ammonitida - Acanthoceratidae

Alternative spelling: Tarrantoceras (Sumitomoceras)

Parent taxon: Acanthoceratinae according to W. J. Kennedy and W. A. Cobban 1990

See also Cobban 1988 and Cooper 1978

Sister taxa: Acanthoceras, Acompsoceras, Alzadites, Benueites, Calycoceras, Conlinoceras, Cunningtoniceras, Eucalycoceras, Kastanoceras, Kennediella, Kunnamiceras, Microsulcatoceras, Nebraskites, Neocardioceras, Nigericeras, Paraconlinoceras, Plesiacanthoceratoides, Prohauericeras, Protacanthoceras, Pseudocalycoceras, Pseudovascoceras, Quitmaniceras, Tarrantoceras, Thomelites, Watinoceras

Subtaxa: Sumitomoceras bentonianum Sumitomoceras conlini

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Ecology: fast-moving nektonic carnivore


• Cretaceous of United States (12: Arizona, Colorado, Montana, New Mexico, Texas collections)

Total: 12 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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