Exquisite Atractosteus Gar Fish Fossil

Coveted Green River Formation Fossil Fish

Atractosteus simplex

Class Actinopterygii, Subclass Neopterygii, Infraclass Holostei, Order Lepisosteiformes, Family Lepisosteidae

Geological Time: Eocene

Size: Fish fossil is 280 mm in length (tip of rostrum to tip of tail along backbone) on a 395 mm by 200 mm matrix

Fossil Site: Split Fish Layer, Green River Formation, Fossil Lake, Kemmerer, Wyoming

Code: WFF160

Price: $7495.00

Atractosteus Green River Fossil GarDescription: This is a fine example of a gar from the Eocene Green River Formation deposits of Wyoming, known as Atractosteus simplex. The genus persists until today, with the Alligator Gar from the southern United States a typical example whose morphology is quite similar to this fossil specimen, albeit with a more robust set of jaws. While examples from as small as 10 cm to Gar Fishnearly 70 cm are known, most fall between 20-30 cm in length. Notice the rhomboid armor-like scales. The modern Alligator Gar is reputed to be able to turn away small caliber bullets shot at them by hunters. These ~50 million year old deposits are famous for their exceptionally well-preserved organisms, a few of which have the remains of their last meal preserved gripped in their jaws. Soft tissue preservation is a common event in material from the formation, and that is seen here in preservation of much of the specimen, including the detailed scales. Despite well over a century of efforts only a few hundred complete examples are known. I secured this one on the very first day of the Tucson fossil show as they never last long.

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Atractosteus Gar Fish Fossil

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