The fossils below were found in the Smoky Hill Member of the Blue Gate Shale (Mancos Group) in east central Utah.
Uintacrinus socialis Grinnel. 1876, from the middle Upper Santonian. |
As reported in a poster by Bylund, Scheetz, and Kittrick, 2025
Clioscaphites choteauensis Cobban, 1952, from the lower Upper Santonian. |
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