Lewesiceras is a genus of large ammonites belonging to the order Ammonitida and the family Pachydiscidae. They lived in the late Cretaceous period, in the Cenomanian and Turonian ages, which occurred 99.6-89.3 million years ago. These shelled ammonoids were nektonic, fast-moving and carnivorous. Fossils distribution Cretaceous of Armenia, France, Germany, United States (Texas), Uzbekistan. Species Lewesiceras mantelli Wright and Wright, 1951 Lewesiceras peramplum (Mantell, 1822) Lewesiceras wiedmanni Wright & Kennedy, 1984 Gallery References Biolib The Paleobiology Database Sepkoski, Jack Sepkoski's Online Genus Database – Cephalopods Ammonitida Cretaceous ammonites Fossils of France Desmoceratoidea Ammonitida genera