There are 2 matches

Collection Authorizer Collection name Reference
20389J. Alroy Java (= SDSM V-711) Irvingtonian - Cenozoic 6 - South Dakota Martin (1973)
20503J. Alroy Salamander Cave (= Horse Room) Irvingtonian - Cenozoic 6 - South Dakota Mead et al. (1996)

Do another search