Platycerus keeni Casey 1895: 153. (orig. comb.)
Platycerus pedicellaris Möllenkamp, 1912: 302 (synonym)

........P. keeni (Casey), male. ........Photo by M.J. Paulsen	Distribution of P. keeni.

Distribution:

Benesh, B. 1946. A systematic revision of the Holarctic genus Platycerus Geoffroy (Coleoptera: Lucanidae). Transactions of the American Entomological Society 63: 139-203. [known from Massett, BC; Moclips and Seaview, WA; Cannon Beach, Gearhart, Neskowin, Taft, and Waldport, OR; Arcata, CA].

Van Dyke, E.C. 1928. Notes and descriptions of new species of Lucanidae and Cerambycidae (Coleoptera) from western North America. Pan-Pacific Entomologist 4: 105-113.

Remarks:

This species is found in and under driftwood along the Pacific coast from the Queen Charlotte Is., BC, to Humboldt Bay, CA. Benesh (1946) reported that both sexes are flightless.