Fossil Fish - nice detail - - on original matrix - Knightia sp.

Description
Fossil Fish - nice detail - - on original matrix - Knightia sp.
Eocene - U.S.

A Knightia eocaena, Green River Formation, Wyoming, USA.
The fossil is 50 million years old, from the Eocene.
Knightia were schooling fish and the bottom of the food chain in what was then a warm tropical sea.
It is the state fossil of Wyoming.
50 million years ago a lake existed in what is now Wyoming, with a size of around 930 square miles. The unusual chemistry of the lake prevented decay and the scavenging of the dead organisms, while thin layers of alternating limestone and organic matter slowly accumulated.

Excellent definition and condition.

Size: 15 cm x 10 cm (Fish 12 cm long)

Lot details
Specimen
Fossil Fish - nice detail -
Object
on original matrix
Scientific name
Knightia sp.
Origin
U.S.
Geological Period
Eocene
Condition
Good condition
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