New fossil egg discoveries show early dinosaurs and marine reptiles laid soft-shell eggs like those of turtles, snakes and lizards and not the hard shells of bird eggs today, according to a new study.
A leathery fossil unearthed from Antarctic sediment is overturning core ideas about how Earth’s dominant marine reptiles reproduced during the Late Cretaceous. Measuring about 11 by 8 inches and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback