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Family Gnaphosidae - Ground Spiders

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A revision of the spider genera Trachyzelotes and Urozelotes (Araneae, Gnaphosidae)
By Norman Platnick & John Murphy
American Museum Novitates 2792: 1-30, 1984

A revision of the Holarctic spider genus Callilepis (Araneae, Gnaphosidae)
By Norman Platnick
American Museum Novitates 2573:1-32, 1975
Free PDF available online from here: http://digitallibrary.amnh.org/dspace/handle/2246/2760

Insects and Arachnids of Canada Part 19: The ground spiders of Canada and Alaska : Araneae: Gnaphosidae
By Norman Platnick & Charles Dondale
Research Branch, Agriculture Canada, Publ. 1875: 1-297, 1992
Available online as a free download here: http://www.esc-sec.ca/aafcmono.php

(The monographs are also now available as print-on-demand books at http://www.volumesdirect.com. All the titles can be found using a search for “Agriculture Canada” or by individual title.)

A revision of the spider genera Drassodes and Tivodrassus (Araneae, Gnaphosidae) in North America
By Norman Platnick & Mohammad Shadab
American Museum of Natural History, 1976
American Museum Novitates No. 2593

Includes species descriptions with genitalic diagrams and range maps for the seven described species of North American Drassodes. The genus Tivodrassus does not occur within Bug Guide's range, but this paper also includes the descriptions and diagrams for the four known species.

This paper is available online thru the AMNH Research Library: http://digitallibrary.amnh.org/dspace/bitstream/2246/2976/1/N2593.pdf

On the widespread species Zelotes schmitzi (Araneae: Gnaphosidae)
By Platnick and Murphy
Bulletin of the British Arachnological Society, 11 (3): 118-119., 1998

A revision of the American spiders of the genus Zelotes (Araneae, Gnaphosidae)
By Platnick and Shadab
Bulletin of the American Museum of Natural History, 1983

A revision of the American spiders of the genus Drassyllus (Araneae, Gnaphosidae).
By Platnick and Shadab
Bulletin of the American Museum of Natural History, vol. 173, 1982
Full text available for download here:
http://digitallibrary.amnh.org/dspace/handle/2246/1014

A revision of the spider genera Rachodrassus, Sosticus, and Scopodes (Araneae, Gnaphosidae) in North America
By Norman Platnick & Mohammad Shadab
American Museum Novitates 2594: 1-33, 1976

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