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Homo erectus
Skeletal remains of Xiphactinus have come from Kansas
including one species of snake
The distribution of Edmontosaurus fossils suggests that it preferred coasts and coastal plains
These fine grained layers of limestone contain very well preserved fossils of fish
Zygorhiza, early whale canine tooth Dimetrodon Homo erectusZygorhiza 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
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