Cephalopoda - Ammonitida - Scaphitidae
Parent taxon: Scaphitinae according to J. C. Grier and J. W. Grier 1998
See also Cobban 1987, Riccardi 1983 and Sepkoski 2002
Sister taxa: Acanthoscaphites, Billcobbanoceras, Desmoscaphites, Discoscaphites, Eoscaphites, Haresiceras, Indoscaphites, Jeletzkytes, Ponteixites, Pteroscaphites, Scaphites, Trachyscaphites
Subtaxa: Ammonites opalus Rhaeboceras albertense Rhaeboceras burkholderi Rhaeboceras cedarense Rhaeboceras coloradoense Rhaeboceras halli Rhaeboceras mullananum Rhaeboceras subglobosum Rhaeboceras whiteavesi
Type: Ammonites halli
Ecology: fast-moving nektonic carnivore
Distribution:
• Cretaceous of Canada (12: Alberta, Saskatchewan collections), United States (48: Colorado, Montana, Nebraska, Wyoming)
Total: 60 collections including 70 occurrences
Specimen images are retrieved through the ePANDDA API.
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