Robert Broom. The genus Chasmatosaurus is a junior synonym of Proterosuchus. Proterosuchus was a mid-sized quadrupedal reptile with a sprawling stance that...

Phil Senter (2005) defined it as the most exclusive clade containing Proterosuchus and Archosauria. Archosauriforms are a branch of archosauromorphs which...

needed] A 2023 study recovered a majority of proterosuchids outside of Proterosuchus and Sarmatosuchus as belonging to a distinct subfamily, the Chasmatosuchinae...

synonym of Proterosuchus. Ezcurra (2023) found Ankistrodon to be a nomen dubium, as the teeth are indistinguishable from those of Proterosuchus. A second...

Archosaurus was considered the oldest known archosaur and a close relative of Proterosuchus from the Early Triassic. However, Archosauria in modern terms is considered...

clade Archosauria, as they were present in archosauriforms such as Proterosuchus and Euparkeria, which were outside the crown group. The most obvious...

survived into the Jurassic. Tanystropheus, a long-necked tanystropheid Proterosuchus, a crocodile-like early archosauriform from the Early Triassic Staurikosaurus...

†Proterosuchidae Archosaurus Chasmatosuchus? Gamosaurus Jaikosuchus Proterosuchus Samsarasuchus Tsylmosuchus? Vonhuenia? †Protopyknosia Kranosaura Triopticus...

(5 ft)–long therocephalian Moschorhinus and the large archosauriform Proterosuchus appear to be large enough to have preyed on the Triassic Lystrosaurus...

in Proterosuchus. On the other hand, the tip of the neural spine does not expand outwards in this vertebra, similar to the condition in Proterosuchus. A...