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

Chamberlin, R. V. (1919a). New western spiders. Annals of the Entomological Society of America 12(3): 239-260, pl. 14-19. doi: 10.1093/aesa/12.3.239 -- Show included taxa

Chamberlin, R. V. (1919b). New Californian spiders. Journal of Entomology and Zoology 12: 1-17. -- Show included taxa

Emerton, J. H. (1890). New England spiders of the families Drassidae, Agalenidae and Dysderidae. Transactions of the Connecticut Academy of Arts and Sciences 8: 166-206, pl. 3-8. -- Show included taxa

Emerton, J. H. (1902). The common spiders of the United States. Boston, 225 pp. doi: 10.5962/bhl.title.5617 -- Show included taxa

Kaston, B. J. (1945a). New spiders in the group Dionycha with notes on other species. American Museum Novitates 1290: 1-25. -- 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

Pickard-Cambridge, F. O. (1899a). Arachnida - Araneida and Opiliones. In: Biologia Centrali-Americana, Zoology. London 2, 41-88, pl. 2-6. [[for the exact dates see Lyal, 2011]] -- Show included taxa

Platnick, N. I. & Shadab, M. U. (1976a). A revision of the spider genera Drassodes and Tivodrassus (Araneae, Gnaphosidae) in North America. American Museum Novitates 2593: 1-29. -- 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