According to Goodrich, both lineages evolved from an earlier stem group, Protosauria (" first lizards ") in which he included some animals today considered reptile-like amphibians as well as early reptiles.

According to Goodrich, both lineages evolved from an earlier stem group, the Protosauria (" first lizards "), which included some Paleozoic amphibians as well as early reptiles predating the sauropsid / synapsid split ( and thus not true sauropsids ).

0.005 seconds.