ammonites
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Alanites costatus Bucher 1992 (ceratite)

Cephalopoda - Ammonoidea - Khvalynitidae

PaleoDB taxon number: 186063

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 Alanites according to H. Bucher 1992

Sister taxa: Alanites laevis, Alanites mulleri, Alanites obesus, Alanites visendus

Type specimen: USNM 444117. Its type locality is Coyote Canyon HB 65, 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 15.3, shell diameter 32.5