Tag Archive for 'Poposauroidea'

An artist’s reconstruction of Sonselasuchus cedrus in its environment in what is now Petrified Forest National Park, 215 million years ago. Image credit: Gabriel Ugueto.

Triassic Crocodile Relative May Have Learned to Walk on Two Legs

Mar 9, 2026 by Enrico de Lazaro

Fossils from the Chinle Formation of Petrified Forest National Park in Arizona, the United States, reveal that Sonselasuchus cedrus, a species of shuvosaurid...