Cephalopoda - Ammonitida - Acanthoceratidae
Parent taxon: Acanthoceratinae according to A. S. Gale et al. 2005
See also Cooper 1978, Ifrim and Stinnesbeck 2007, Sepkoski 2002, Stelck et al. 2002, Wright et al. 1996 and Zaborski 1987
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
Subtaxa: Watinoceras (Watinoceras) Watinoceras amudariense Watinoceras coloradoense Watinoceras depressum Watinoceras devonense Watinoceras jaekeli Watinoceras odonnelli Watinoceras reesidei Watinoceras thompsonense Watinoceras venezolanum
Type: Watinoceras reesidei
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Angola (1 collection), Brazil (8), Cameroon (2), Canada (6: Alberta, British Columbia, Northwest Territories), Colombia (2), Germany (1), Mexico (4), Nigeria (1), Tunisia (1), United States (25: Alaska, Arizona, Colorado, Minnesota, New Mexico, Utah), Venezuela (2)
Total: 53 collections including 71 occurrences
Specimen images are retrieved through the ePANDDA API.
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