Fine Green River Fossil Fish Mioplosus labracoides

Mioplosus labracoides

Order Perciformes, Family Percidae

Geological Time: Eocene

Size (25.4 mm = 1 inch): Fish fossil is 120 mm in length on a 105 mm by 150 mm matrix

Fossil Site: Green River Formation, Fossil Lake, Kemmerer, Wyoming

Code: GRF143

Price: $115.00

Green River Fossil Fish Mioplosus labracoides for SaleDescription: This 50 million year old, Eocene-Era fossil fish comes from one of the world's famous Laggerstatten, the Green River Formation in Wyoming. A small portion of the fish fossils from Green River exhibits such fine preservation. The significant extent of soft-tissue preservation that makes the site famous is evident in this specimen.

Mioplosus labracoides is believed to have been a voracious predator among the Green River fish fossils. Failure to find its numbers in mass mortality leads to further conjecture that it was a solitary hunter. A member of the Family Percidae, it has numerous relatives in Northern Hemisphere fresh water as well as fossil relatives in Asia, Europe and New Zealand. It is known as a predatory species as determined from its many pointed teeth, and the fact that several have been found with fish lodged in its throat. It may be related to the modern-day pike of the genus Stezostedion.

Distinguishing features include double dorsal fins and a fan-like tail. Mioplosus is uncommon in the Green River formation, especially the fish of this size and of this exceptional quality of preservation (both bone detail and some soft-tissue preservation are evident).

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Fossil Fish Mioplosus labracoides for Sale

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