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Isculites constrictus Bucher 1992 (ceratite)

Cephalopoda - Ammonoidea - Isculitidae

PaleoDB taxon number: 186083

Full reference: H. Bucher. 1992. Ammonoids of the Hyatti Zone and the Anisian transgression in the Star Peak Group, Northwestern Nevada, USA. Palaeontographica Abteilung A 233:137-166

Belongs to Isculites according to H. Bucher 1992

Sister taxa: Isculites asseretoi, Isculites hauerinus, Isculites heimi, Isculites meeki, Isculites sphaericus, Isculites tozeri, Smithoceras drummondi

Type specimen: USNM 444106. Its type locality is Coyote Canyon HB 57, North Humboldt Range, which is in a Bithynian offshore limestone/siltstone in the Prida Formation of Nevada.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 23.0, shell diameter 36.0