Plate Measurements: 6-3/4" long x 4-1/4" tall x 1/2 deep. Location: Green River Formation, Wyoming, U. Time Period: Eocene 60 Million Years Old. The Green River Formation in the USA covers an area over 25,000 square miles and is more than 2,000 feet thick. This formation, dates back more than 50 million years.
It is one of the largest documented accumulations of sedimentary rock in the world. At the time, the area was subtropical and many different species flourished. Priscacara (common name perch) is a member of the Family Prisca Caridae. The name Priscacara means primitive head.
The two Priscacara species are liops and serrata. Priscacara liops is the more common and the smaller of the two. The genus became extinct at the end of the Miocene period, and is thought to be related to the modern-day Cichlidae.The item "Awesome and unique 60 Million Years Old Priscacara Fish Plate (with stand)" is in sale since Friday, January 29, 2021. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Fossils\Mollusks\Nautiloids". The seller is "btrfa-97" and is located in Lincolnwood, Illinois. This item can be shipped worldwide.