Psiloceratidae


Psiloceratidae is an extinct family of cephalopods belonging to the ammonite subclass.

Description

The Psiloceratidae are evolute, smooth or with blunt primary ribbing. The venter is rounded and generally smooth, in some feebly keeled. Sutures are simple with phylloid saddle endings in some. The aptychus is single, found in sutu in Psiloceras

Genera

Badouxia Guex and Taylor, 1976CalocerasDiscamphicerasEuphyllites Wahner, 1898Franziceras Buckman, 1923KammerkarocerasLaqueocerasMurihikuites Stevens, 2004Paradiscamphiceras Taylor, 1988Paraphylloceras Salfeld, 1919Psiloceras

Distribution

Fossils of species within this genus have been found in the Triassic rocks of Canada, in the Jurassic rocks of Argentina, Austria, Canada, China, France, Germany, Hungary, Mexico, New Zealand, Spain), United Kingdom, United States, as well as in the Cretaceous of Australia and Russia.