This is a large Mioplosus from the Green River formation in Wyoming that is very well preserved showing great details with the bony head, spine and fin structure being the best preserved and has a closed jaw. They were solitary hunters with larger specimens showing needle like teeth and some with a fish lodged in their mouth at death known as an aspiration. They are distinguished by their double dorsal fins and fan like tail. This area was part of the. Now famous Fossil Lake during the Eocene period and is from the split fish layers that are not near shore but mid depth in the lake that have a dark brown/red color a robust bone definition. The tail is incomplete and that is reflected in the price of this fantastic specimen. When found this specimen was completed covered in the lake bottom silt stone as is common in this layer on the larger fish. Photos of the preparation work I did in uncovering this beautiful fish are included. This specimen is approximately 13” long on a nice piece of matrix that is approximately 21”x 9” and is 1/2” thick and has been backed in plywood making it strong and easy to hang on a wall is desired. This fish has fresh water relatives in the present day Northern Hemisphere, Asia, Europe and New Zealand.
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