11" A++ Quality Priscacara serrata Fossil Fish | Green River Formation | Natural Specimen juvenile Silica spheres refract the light

Silica spheres refract the light and cause the magnificent spectral colors you see in the opal

Knightia belongs to the same taxonomic family as herring and sardines

The deposit would become covered with water

based on a comparison of skull shapes

First remains of the head of Steneosaurus (Crocodylomorpha: Teleosauridae) from the Late Jurassic of Oker (Lower Saxony

11" A++ Quality Priscacara serrata Fossil Fish | Green River Formation | Natural Specimen juvenile Silica spheres refract the lightPriscacara serrata 100% Natural Eocene (51. 98 Million Years Ago) Green River Formation, Wyoming, USA In Stone Fossils Private Quarry Fish approx. size: 11" Plate approx. size: 15. 25" x 12. 5" x 0. 5" thick Stand not included. Order Perciformes Family Moronidae C. liops, P. serrata, H. hypsacantha, and undescribed Priscacara & Hypsiprisca species P. serrata is perhaps the most popular and sought after of the Green River Formation fish fossils. The