This giant arthropod was the biggest creature of its time
Some 480 million years ago the seven-foot-long Aegirocassis benmoulae swam in a shallow sea covering what is today the Sahara ...
Some 480 million years ago the seven-foot-long Aegirocassis benmoulae swam in a shallow sea covering what is today the Sahara ...
(c) Corel Photography In the most comprehensive and thorough survey of its kind, an international team ...
Captioned is a nearly intact fossil of Fuxianhuia protensa. The inset shows the fossilized brain in ...