Zygorhiza, early whale tooth molar Dimetrodon This replica is a Platecarpus

This replica is a Platecarpus ictericus skull

while a human arm can rotate 360 degrees at the shoulder and move through 165 degrees at the elbow

The multituberculates had a cranial and dental anatomy superficially similar to rodents such as mice and rats

this distribution of Mesosaurus supports the understanding that these great continents were once joined together

South Africa in 1924

Zygorhiza, early whale tooth molar Dimetrodon This replica is a PlatecarpusZygorhiza was an archaeocete whale that lived during the late Eocene, about 40 million years ago. This ancient marine mammal had a long snout that contained many sharp teeth. The nostrils were located towards the end of the snout. Although retaining some land animal characteristcs (like differentiated teeth), it was more whale like than Basiliosaurus. It had a snake like body and small hindlimbs (including a mobile knee and toes). Many fossils have