Science Art: Figure 4, Neopteroplax conemaughensis, 1963

Boy, is this prehistoric predator happy to see you!
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Such a winning smile….

Neopteroplax was, at one point, something like a crocodile of salamanders – an amphibian about 3 meters long (that’s nigh onto 10 feet) that swam in the steamy swamps of what would one day be Ohio. Eating whatever it wanted to.

From Large embolomerous amphibians, Vol. 128, No. 9.