There are 5 matches

Collection Authorizer Collection name Reference
93225R. Butler Twin Butte Creek (= Pteranodon harpyia holotype / coll. Cope 1871) Late Santonian/Early Campanian - Kansas Cope (1872)
167919M. Carrano Hackberry Creek Valley (coll. Sternberg 1905) Late Santonian/Early Campanian - Kansas - old id Wieland (1909)
203740E. Vlachos near Butte Creek (= Protostega gigas type locality / coll. Cope 1871) Late Coniacian/Early Campanian - Kansas Cope (1871)
203741E. Vlachos near Elkader (coll. Martin 1897) Late Santonian/Early Campanian - Kansas Hay (1908)
203742E. Vlachos Niobrara (= Protostega advena type locality) Senonian - Kansas - old id Hay (1908)

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