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Genus Ctenus - Tropical wolf spiders

Possible Wolf Spider - Ctenus hibernalis Wandering Spider - Ctenus captiosus big purple spider - Ctenus captiosus Tropical Wolf Spider - Ctenus hibernalis Wandering Spider? - Ctenus hibernalis Ctenus exlineae Big Spider - Ctenus - female Ctenus valverdeinsis  - Ctenus valverdiensis - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Ctenidae (Wandering Spiders)
Genus Ctenus (Tropical wolf spiders)
Other Common Names
Wandering Spider
False Wolf Spider
Numbers
5 species in BugGuide's range (North America north of Mexico)
Range
Ctenus captiosus: Florida
Ctenus exlineae: Northwest Arkansas (& the Ozark Mountains of that vicinity) and eastern Oklahoma; this species is found in large populations in locally restricted habitats
Ctenus minimus: "North America" (only the type specimens are known and "North America" has not been further specified)
Ctenus valverdiensis: Texas

Ranges taken from Peck 1981(1)
Remarks
See forum discussion here.
Print References
Peck, W. B., 1981. The Ctenidae of temperate zone North America. Bulletin of the American Museum of Natural History 170: 157-169. [online download available from here]
Internet References
Marshal Hedin's image of adult female Ctenus exlineae: http://www.flickr.com/photos/23660854@N07/3679661841/in/set-72157603944163318/
Works Cited
1.The Ctenidae of temperate zone North America
William B. Peck. 1981. Bulletin of the American Museum of Natural History 170: 157-169.