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Rapidoplacenticeras sutherlandbrowni McLearn 1972 (ammonite)

Cephalopoda - Ammonitida - Desmoceratidae

PaleoDB taxon number: 321055

Alternative combination: Proplacenticeras sutherlandbrowni

Full reference: F. H. McLearn. 1972. Ammonoids of the lower Cretaceous sandstone member of the Haida Formation, Skidgate Inlet, Queen Charlotte Islands, western British Columbia. Geological Bulletin of Canada Bulletin 188:1-78

Belongs to Rapidoplacenticeras according to A. Alabushev 1995

Sister taxa: Beudanticeras arduennense, Beudanticeras beudanti, Beudanticeras flindersi, Beudanticeras haydeni, Beudanticeras hirtzi, Beudanticeras ingente, Beudanticeras komihevitraense, Beudanticeras mullerriedi, Beudanticeras newtoni, Beudanticeras parandieri, Beudanticeras revoili, Beudanticeras robustum, Beudanticeras sutherlandi, Beudanticeras victoris, Boliteceras daintree, Boliteceras perlatum

Type specimen: GSC 21227, a shell

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 8.06, shell diameter 39.8