Rare Complete Specimen of a Large Notogoneus Fish

Name: Notogoneus osculus
Age:  Eocene
Formation:  Green River Formation
Location:  Kemmerer, Wyoming
Size: Fish is 19 inches long, plate is 13.5" X 26.0"

Specimen SSA744

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This is a beautiful specimen of a rare type of fossil fish. It is a huge Notogoneus osculus from the Green River Formation of Wyoming. Notogoneus was a saprophage, using its vacuum-like mouth to feed from the river and lake bottoms. This ''sucker'' fish probably lived in lake tributaries and rarely ventured into lakes. This is thought to be why Notogoneus are rare finds in the Green River (Fossil Lake) Formation. This huge specimen (19 inches long!) is complete and has all of its fins and tail intact (rare!). The fish displays the detailed body, long backbone, and sucker mouth extremely well. The fossil is aesthetically centered on the 13.5" X 26.0" rectangular plate of stone matrix. This is a top quality example of one of the most uncommon and unusual fossil fish found in Wyoming.


A Certificate of Authenticity from EXTINCTIONS is included with this specimen.
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