Archosauromorph reptiles are represented in the Evangeline Member by a rhynchosaur, a trilophosaur, diverse pseudosuchians, and a possible ornithodiran (Figs.
14D) document the presence of a hyperodapedontine rhynchosaur in the Evangeline Member (Baird 1963).
Like rhynchosaurs, Teraterpeton was presumably herbivorous.
Despite of this fact, the correlation between rhynchosaurs
and Rhynchosauroides has for a long time been accepted probably due to the abundance of rhynchosaur
body fossils pertaining to Middle and Upper Triassic deposits of the southern hemisphere, in which rhynchosaurs
were the dominant herbivorous.
Hyperodapedon from the Upper Triassic of Wyoming and its global biostratigraphic significance.
(1998): The Early Triassic rhynchosaur
Mesosuchus browni and the interrelationships of basal archosauromorph reptiles.