Gosiutichthys parvus Fossil Fish Death Assemblage

Name: Gosiutichthys parvus

Class Actinopterygii, Order Clupeiformes, Family Clupeidae

Geologic Time: Eocene

Size: 30 mm to 50 mm

Fossil Site: Green River Formation, Laney Shale Member near LaBarge, Wyoming

GosiutichthysThe is a mass mortality fossil fish of the family Clupeidae genus Gosiutichthys from the Green River Formation, of the. Its name, Gosiutichthys, comes from Gosiute, a Middle Eocene lake where it lived in large schools. It comes from a formation that outcrops near the Fontenelle Reservoir and near the Farson Dam. The shales and fossils are not from the typical Green River fish fauna. They have a different type of preservation. This plate contains eight specimens. The preservation is excellent. Members of Family Clupeidae are the herrings, shads, sardines, and menhadens. Extant species are some of the most important food fishes in the world.

Also see: Green River Fish Fossils

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