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Pregnant fossil reveals major reptile group didn't just count on eggs
 

Pregnant fossil reveals major reptile group didn't just count on eggs


Pregnant fossil reveals major reptile group didn Scientists have always thought that archosauromorpha, an animal group that includes crocodiles, birds and dinosaurs, reproduced only by laying eggs. But now, paleontologists have uncovered a 250-million-year-old fossil of a strange long-necked marine reptile with an embryo inside, demonstrating live birth in archosauromorphs for the first time and forcing a rethink of reproductive evolution... Continue Reading Pregnant fossil reveals major reptile group didn't just count on eggs ... read more

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