10.25" Diplomystus dentatus | 100% Natural | Green River Formation | Wyoming
Diplomystus unrestored specimen 100% Natural Eocene (51.98 Million Years Ago) Green River Formation, Wyoming, USA In Stone Fossils Private Quarry Plate approx. size: 10.25" x 9.75" Diplomystus approx. size: 10.25" Found in our private quarry with beautiful reddish-gold toned iron mineral replacement of which our quarry is prized for. We take great pride in hand selecting the best specimens out of our private quarry. Our Green River Formation specimens are all prepared using surgical grade microscopes and the very best fossil preparation tools available. We pride ourselves on delivering the highest quality specimens available. 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 Ellimmichthyiformes, Family Paraclupeidae The last known species of the Ellimmichthyiformes order