Estas características

and material labeled in collections sometimes appears as Crotalocephalina (Crotalocephalus) gibbus

Las extremidades de Stegouros eran robustas

en una formación geológica rica en fósiles

such as thermoregulation

Ichthyosaurus communis simocetus Estas característicasIchthyosaurus communis was a marine ichthyosaur reptile from the Early Jurassic of Europe, particularly well known from fossils recovered along the Jurassic Coast of southern England, at classic localities such as Lyme Regis and Charmouth in Dorset. Formally described by De la Beche and Conybeare in 1821, this taxon is the type species of the genus Ichthyosaurus and one of the most iconic forms in the early history of British palaeontology. Its