in what is now Mongolia

American mastodons also had upper tusks

Drepanosaurus had an elongated body and a relatively short tail

Raphus cucullatus was a terrestrial bird of considerable size for a pigeon

Microceratops gobiensis

Elasmosaurus platyurus Turiasaurus in what is now MongoliaElasmosaurus platyurus is an impressive marine reptile that lived during the Cretaceous period, approximately between 80 and 65 million years ago. Here is an overview of this marine reptile and its skeleton: Size and shape: Elasmosaurus was a plesiosaur, meaning it had a long, serpentine body, with an extremely long neck and a relatively short tail. It is estimated that it reached lengths of up to 10. 5 meters, with much of that length occupied by its