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Paracrochordiceras mclearni Bucher 1989 (ceratite)

Cephalopoda - Ammonoidea - Acrochordiceratidae

PaleoDB taxon number: 256416

Full reference: H. Bucher. 1989. Lower Anisian ammonoids from the northern Humboldt Range (northwestern Nevada, USA) and their bearing upon the Lower-Middle Triassic boundary. Eclogae Geologicae Helvetiae 82:945-1002

Belongs to Paracrochordiceras according to H. Bucher 1989

Sister taxa: Paracrochordiceras americanum, Paracrochordiceras asseretoi, Paracrochordiceras benderi, Paracrochordiceras denseplicatum, Paracrochordiceras pandya, Paracrochordiceras pingtangense, Paracrochordiceras plicatus, Paracrochordiceras qinghaiense, Paracrochordiceras silberlingi, Paracrochordiceras welteri

Type specimen: USNM 438377, a shell. Its type locality is Coyote Canyon HB 95, northern Humboldt Mountains, which is in an Aegean offshore limestone/siltstone in the Prida Formation of Nevada.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 10.0, shell diameter 27.0