Carcharodon megalodon  shark tooth fossil displayed at the Hall of Vertebrate Origins at the  American Museum of Natural History  in New ...

Suspended from the ceiling in the Hall of Vertebrate Origins at the American Museum of Natural History in New York City, USA, is a model...

Diplocaulus magnicornis nectridean head fossil found in 1895 at Baylor County, Texas USA. This aquatic creature lived in the early Permi...