How certain reptiles give birth instead of laying eggs

Reptiles exhibit remarkable reproductive diversity, with many species giving birth to live young rather than laying eggs.
JSTOR Daily

The Anatomy and Relationships of the Lower Permian Reptile Araeoscelis

Two recently discovered skeletons of the enigmatic Lower Permian reptile Araeoscelis provide important, additional information on its osteology and permit a reassessment of its phylogenetic ...
Dinosaur Discovery on MSN

The forgotten age when reptiles became something else entirely

Long before dinosaurs became dominant, Earth was ruled by an unsettling cast of reptiles that reshaped life after the ...
The New York Times

First Came ‘the Great Dying,’ Then This Strange Reptile Evolved

The creature’s surprising anatomy suggests that rapid and unusual evolution was occurring in the seas after a period of massive extinction. By Kate Golembiewski Volcanic eruptions set off a mass ...
PBS

Your Inner Reptile

A key moment in our evolutionary saga occurred 200 million years ago, when the ferocious reptile-like animals that roamed the Earth were in the process of evolving into shrew-like mammals. But our ...