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

Azevedo, G. H. F., Griswold, C. E. & Santos, A. J. (2018a). To complicate or to simplify? Phylogenetic tests of complexity trends and genital evolution in ground spiders (Araneae: Dionycha: Gnaphosidae). Zoological Journal of the Linnean Society 84(3): 673-694. doi: 10.1093/zoolinnean/zly016 -- Show included taxa

Barrows, W. M. (1919b). New spiders from Ohio. Ohio Journal of Science 19: 355-360. -- Show included taxa

Chamberlin, R. V. (1922). The North American spiders of the family Gnaphosidae. Proceedings of the Biological Society of Washington 35: 145-171. -- 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

Fox, I. (1938a). Notes on North American spiders of the families Gnaphosidae, Anyphaenidae and Clubionidae. Iowa State College Journal of Science 12: 227-243. -- Show included taxa

Heiss, J. S. & Allen, R. T. (1986). The Gnaphosidae of Arkansas. Bulletin, Agricultural Experiment Station, University of Arkansas 885: 1-67. -- Show included taxa

Kaston, B. J. (1948). Spiders of Connecticut. Bulletin of the Connecticut State Geological and Natural History Survey 70: 1-874. -- Show included taxa

Muma, M. H. (1944). A report on Maryland spiders. American Museum Novitates 1257: 1-14. -- Show included taxa

Murphy, J. (2007). Gnaphosid genera of the world. British Arachnological Society St Neots, Cambridgeshire 1, i-xii, 1-92; 2, i-ii, 93-605. -- 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

Roewer, C. F. (1951). Neue Namen einiger Araneen-Arten. Abhandlungen des Naturwissenschaftlichen Vereins zu Bremen 32: 437-456. -- 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