Protopselaphus is a genus of beetles in the family Staphylinidae. It is the only genus in the subfamily Protopselaphinae. It was first described by Newton and Thayer in 1995. There are 10 accepted species.

Species Protoselaphus burckhardti Newton & Thayer, 1995 Protoselaphus crosoni Newton & Thayer, 1995 Protoselaphus frogneri Newton & Thayer, 1995 Protoselaphus grandis Newton & Thayer, 1995 Protoselaphus loebli Newton & Thayer, 1995 †Protoselaphus newtoni Liu, Yuchu, Tihelka & Chenyang Cai., 2020 Protoselaphus poringensis Newton & Thayer, 1995 Protoelaphus taylori Newton & Thayer, 1995 †Protoselaphus thayerae Liu, Yuchu, Tihelka & Chenyang Cai., 2020 Protoselaphus watrousi Newton & Thayer, 1995

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