We are proud to offer an extremely rare 50 Million Year Old Diplomystus Dentatus Fossil Fish from the Green River Formation in Lincoln County, Wyoming.
About 50 million years ago, this fish swam in a fresh water lake located in Southwestern Wyoming. When the fish died, it sank to the bottom of the lake where it was quickly buried. The soft sediment encased the fish and as the rock hardened over time, the skeleton was preserved.
This fossil fish was recently excavated from the famous 18-inch level of the Green River formation near Kemmerer Wyoming. These 18-inch level fish are covered by matrix and must be carefully prepped out, but the spectacular results are worth the wait. This layer has by far the best specimens known and is currently off limits to fossil hunters. These fish are darker than the fish from the Split fish level of the formation.
The overall length of this particular Diplomystus measures 15-5/8". The matrix plate is 19.5" x 15.5" (49.5cm x 39.4cm).
Bonus: Please notice that there is a 4-1/8" (10.5cm) leaf on the backside of the matrix plate