This is a nice Mioplosus fish fossil from the Green River Formation (Split Fish Layer), Kemmerer, Wyoming. It dates back to the Eocene time period, approximately 50 million years ago!Mioplosus is an extinct genus of percid fish - a fish characterized by a spiny anterior dorsal fin and a soft-rayed posterior dorsal fin. Mioplosus have pointed teeth and are believed to have been voracious predators. Fossil remains have been found showing smaller fish lodged within the throat of Mioplosus. Mioplosus fossils are never found in large groups, which suggests they were solitary. We have a variety of fossils available for sale so be sure to check out our other items! This item is in the category "Collectibles\Rocks, Fossils & Minerals\Fossils\Vertebrates\Bony Fish". The seller is "lmaest" and is located in this country: US. This item can be shipped worldwide.