Platycerus marginalis Casey, 1897: 639. (orig. comb.)

	..Approximate distribution of P. marginalis.
...P. marginalis Casey, male. .Photo by M.J. Paulsen	...

Distribution: Western North America: Canada: BC, YT; USA: Cascades and Sierra Nevada east to MT, WY, CO, and NM.

Benesh, B. 1946. A systematic revision of the Holarctic genus Platycerus Geoffroy (Coleoptera: Lucanidae). Transactions of the American Entomological Society 63: 139-203.

Paulsen, M.J., and M.S. Caterino. 2009. The Platycerus (Coleoptera, Lucanidae) of California, with the recognition of Platycerus cribripennis Van Dyke as a valid species. ZooKeys 8: 89-94. download pdf

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.