Paracaloceras rursicostatum Frebold 1967 (ammonite)

Cephalopoda - Ammonitida - Arietitidae

Alternative combination: Metophioceras rursicostatum

Full reference: H. Frebold. 1967. Hettangian ammonite faunas of the Taseko Lakes area British Columbia. Geological Survey of Canada Bulletin 158:1-35

Belongs to Paracaloceras according to L. M. Longridge et al. 2008

See also Guex 1995, Longridge et al. 2008, Taylor 2000 and Taylor and Guex 2002

Sister taxa: Paracaloceras concavum, Paracaloceras coregonense, Paracaloceras haueri, Paracaloceras multicostatum, Paracaloceras varaense, Alpinoceras perspiratum

Type specimen: GSC 19944, a shell

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell diameter 51.0


• Jurassic of Argentina (1 collection), Canada (27: British Columbia), Chile (1), Mexico (1), United States (4: Alaska, Nevada, Oregon)

Total: 34 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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