Explanation of Names
Diphyllostomatidae Holloway 1972
a single genus with 3 spp., all in our area(1)
precinctive to California(1)
Fall H.C. (1901) Two new species of Lucanidae from California. Canadian Entomologist 33: 289-292.
Fall H.C. (1932) Diphyllostoma: a third species. Pan-Pacific Entomologist 8: 159-161.