Fossil shows that ancient reptile gave live birth

Archosauromorph ditched eggs, unlike bird, crocodile cousins

Dinocephalosaurus

PREHISTORIC PREGNANCY  With a long-necked body not suited to walking, an ancient marine reptile Dinocephalosaurus (illustrated) may have evolved to give live birth in the ocean rather than lay eggs on land, a new study suggests.

Dinghua Yang, J. Liu

A prehistoric marine reptile may have given birth to its young alive.