Cephalopoda - Ammonoidea - Megaphyllitidae

PaleoDB taxon number: 186064

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 Megaphyllites according to H. Bucher 1992

Sister taxa: Megaphyllites applanatus, Megaphyllites chiosensis, Megaphyllites compressus, Megaphyllites evolutus, Megaphyllites gebzensis, Megaphyllites humilis, Megaphyllites insectus, Megaphyllites jarbas, Megaphyllites johannisboehmi, Megaphyllites obolus, Megaphyllites procerus, Megaphyllites prometheus, Megaphyllites transiens

Type specimen: USNM 444124. Its type locality is Wildhorse Mine HB 124, which is in a Bithynian offshore shelf limestone/siltstone in Nevada.

Ecology: nektonic carnivore

Average measurements (in mm): shell width 8.20, shell diameter 17.0