Unique fossil reveals the internal organs of a 245-million-year-old marine reptile

Scientists from China, Europe and the U.S., including Dr.

Stephan Spiekman, a paleontologist at the State Museum of Natural History Stuttgart and the University of Hohenheim, have described a fossil of the long-necked marine reptile Austronaga minuta from China.

Although this reptile descended from land-dwelling reptiles, it was already well adapted to life in the water around 245 million years ago. ...