There are 2 matches

Collection Authorizer Collection name Reference
16942J. Alroy Douglas Area Upper Chadron Chadronian - Cenozoic 3 - Wyoming Evanoff et al. (1992)
16986J. Alroy Ledge Creek No. 2 (= Red Fauna) Chadronian - Cenozoic 3 - Wyoming Skinner and Gooris (1966)

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