3.5" Diplomystus Dentatus Fossil Fish Green River FM WY Eocene Age COA, Stand

Location: Kemmerer, Wyoming

Weight: 14.4 Ounces

Dimensions: 5.5 Inches Long, 4.5 Inches Wide, 0.5 Inches Thick (Plate)

Fish Dimensions: 3.5 Inches Long, 1.2 Inches Wide

Comes with a Free Stand.

Comes with a Certificate of Authenticity.

The item pictured is the one you will receive.

This is a genuine fossil.

56 million years old, Eocene age.

Diplomystus Dentatus, characterized by its distinctive upturned mouth, exemplifies the morphology of a surface-feeding fish within the herring family. This genus predominantly preyed on small surface-dwelling fish such as Knightia, as confirmed by numerous fossil specimens containing Knightia remains. Approximately fifty million years ago, the expansive Fossil Lake spanned what is now southwest Wyoming, with about 500 square miles of sediment preserved from its original 930-square-mile expanse. Central to this ancient lake-bed, 230 square miles of sediment hold extraordinarily fossil-rich strata and diverse geologic features, including deltas, beaches, and springs. Unique chemical conditions in the lake inhibited decay and scavenging, allowing for the gradual accumulation of finely layered limestone that now houses the world’s densest fossil fish deposits. These layered sediments capture a complete Paleogene freshwater ecosystem, comprising fish, cyanobacteria, plants, crustaceans, amphibians, reptiles, birds, and mammals, including the earliest pantolestid. Surrounding the lake, the subtropical terrestrial environment is similarly evidenced by an array of rare fossils, from horses and bats to over 325 varieties of foliage, offering an unparalleled window into Eocene biodiversity.

Please be aware of the nature of fossils:

Being buried under the ground for millions of years under tons of pressure tends to be rough. No fossil comes out of the ground whole and perfect. Most fossils have undergone some restoration, while others are altered by man, simply to enhance their presentation in different ways. These are part of the natural beauty of the fossil and are not considered defects.