Phyllopachyceras

Phyllopachyceras is an extinct genus of ammonoid cephalopods belonging to the family Phylloceratidae. These nektonic carnivores lived in the Cretaceous, from Hauterivian to Maastrichtian to age.

Species

Phyllopachyceras chitianum Imlay, 1960Phyllopachyceras infundibulum d'Orbigny, 1841Phyllopachyceras reymenti Riccardi, 2018Phyllopachyceras trinitense Anderson, 1938Phyllopachyceras umpuanum Anderson, 1938

Description

Shells of Phyllopachyceras can reach a diameter of about. On the external surface ribs are alternately short and long and sutures show a high complexity, with saddle endings perfectly quadruple. The section of the shell is quite thick.

Distribution

Fossils of species within this genus have been found in the Cretaceous of Antarctica, Argentina, Austria, China, France, Hungary, Italy, Japan, Madagascar, New Zealand, Poland, Russia, Spain, Ukraine and United States.