References

Azevedo, G. H. F., Griswold, C. E. & Santos, A. J. (2018b). Systematics and evolution of ground spiders revisited (Araneae, Dionycha, Gnaphosidae). Cladistics 34(6): 579-626. doi: 10.1111/cla.12226 -- Show included taxa

Chamberlin, R. V. (1924b). The spider fauna of the shores and islands of the Gulf of California. Proceedings of the California Academy of Sciences 12: 561-694. -- Show included taxa

Chamberlin, R. V. & Gertsch, W. J. (1928). Notes on spiders from southeastern Utah. Proceedings of the Biological Society of Washington 41: 175-188. -- Show included taxa

Chamberlin, R. V. (1936a). Records of North American Gnaphosidae with descriptions of new species. American Museum Novitates 841: 1-30. -- Show included taxa

Chamberlin, R. V. & Gertsch, W. J. (1940). Descriptions of new Gnaphosidae from the United States. American Museum Novitates 1068: 1-19. -- Show included taxa

Platnick, N. I. & Shadab, M. U. (1977b). A revision of the spider genera Herpyllus and Scotophaeus (Araneae, Gnaphosidae) in North America. Bulletin of the American Museum of Natural History 159: 1-44. -- Show included taxa

Platnick, N. I. & Shadab, M. U. (1980a). A revision of the North American spider genera Nodocion, Litopyllus, and Synaphosus (Araneae, Gnaphosidae). American Museum Novitates 2691: 1-26. -- Show included taxa

Platnick, N. I. & Dondale, C. D. (1992). The insects and arachnids of Canada, Part 19. The ground spiders of Canada and Alaska (Araneae: Gnaphosidae). Research Branch Agriculture Canada Publication 1875: 1-297. -- Show included taxa

Ubick, D. & Roth, V. D. (1973a). Nearctic Gnaphosidae including species from adjacent Mexican states. American Arachnology 9(suppl. 2): 1-12. -- Show included taxa