Early Crocodyliformes first appeared in the Late Triassic as generally small-bodied, terrestrial cursorial faunivores. They had a global distribution during the early Jurassic with species found on...

Scientific Reports - Evolutionary stasis in synapsid encephalization during the end-permian mass extinction

Oviparity was likely the plesiomorphic reproductive condition for non-mammalian Synapsida, the stem-mammal group. Yet, despite nearly two centuries of research, no definitive fossil eggs of late Palae...

Permian gorgonopsian therapists had rapid, annually interrupted growth and show longer lifespans than early Triassic therapists.