Choice Priscacara serrata Fish Fossil

Priscacara serrata

Class Actinopterygii, Order Perciformes: Family Priscacaridae

Geological Time: Eocene

Size: Fish fossil is 7 ¾” in length on a 10 x 8” plate

Fossil Site: Green River Formation, 18 Inch Layer, Kemmerer, Wyoming

Fossil Code: PFF402

Price: $550.00


Description: This is a large adult size specimen with excellent preservation of the backbone, head and adjoining fins. Look closely at the high relief of the distinctive dorsal and anal fin spines. The deep, dark chocolate color of the fish, so indicative of the classic 18” layer, contrasts vividly against the tan matrix. The best-preserved fish come from this 18”, or, 4000 years-of-disposition layer of the world famous Green River Formation. Priscacara serrate are not only larger than Priscacara liops, but, much more rare and desirable to collectors.

It would make an excellent centerpiece or decorative addition to your collection, office or home. It comes from the world famous 18” layer. The best-preserved fish come from the 18-inch layer. Because the sediment is highly laminated, the fish can often be removed nearly whole. These fish exhibit a dark chocolate color and must be meticulously prepared for presentation.

A member of the Family Priscacaridae, the name Priscacara means "primitive head". Shaped rather like a sunfish, the genus sports sturdy, protective dorsal and anal spines. The species name comes from the diagnostic serrated preopercle, seen here in closeup. Liops is the smaller species, never exceeding 6”, whereas serrata have been found up to 18 inches. The genus went extinct at the end of the Miocene, and is thought by some to be related to the modern-day Cichildae.

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