9.25" Diplomystus dentatus | Green River Formation | Wyoming mineral specimen The siphuncle

The siphuncle

We pride ourselves on delivering the highest quality specimens available

this stone is actually calcite

This cat may have been approximately 5 to 33 percent larger than modern lions

Amber is approx

9.25" Diplomystus dentatus | Green River Formation | Wyoming mineral specimen The siphuncleDiplomystus dentatus Eocene (51. 98 Million Years Ago) Green River Formation, Wyoming, USA In Stone Fossils Private Quarry Plate approx. size: 12. 75" x 11. 5" Diplomystus approx. size: 9. 25" Diplomystus is an extinct genus of freshwater clupeomorph fish distantly related to modern day extant herrings, alewives, and sardines. The genus was first named and described by Edward Drinker Cope in 1877. Ray finned Fish Diplomystus dentatus Order