Diplomystus dentatus, Green River Fish Stegosaurus The second extant species

The second extant species

is a medusiform Vendozoan possibly

and likely spent most of its life in the water

Whether this was done in an effort to plead for mercy from the court is not known

000-year-old remains found near Heidelberg

Diplomystus dentatus, Green River Fish Stegosaurus The second extant speciesDiplomystus is a representative of a primitive group of herring like fishes known only from the fossil record. Some Diplomystus fossils have been found that date back to the Late Cretaceous Period, 80 million years ago. This species, Diplomystus dentatus is from the Eocene Epoch and is about 55 million years old. It is found in southwestern Wyoming in the world famous Green River Formation fossil beds. In these beds, layers of fine grained limestone