Siltstone Member
The Siltstone Member was part of the Chinle Formation in New Mexico. It dates back to the Rhaetian in the Late Triassic.
Paleobiota
Fish
Synorichthys, a small fish of redfieldiidae
Chinlea, a coelacanth
Rhynchocephalians
Whitakersaurus, a tuatara
Archosaurs
Vancleavea
Coelophysis bauri
Daemonosaurus
Eucoelophysis
Hesperosuchus
Effigia
Redondasaurus