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TaxonomyBrowse
Info
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Genus Trachelas

Too MANY in the House Spider - Trachelas tranquillus Sac Spider? Worcester County MA - Trachelas tranquillus Spider - Trachelas - Trachelas tranquillus Trachelas tranquillus - female what spider please  - Trachelas Unknown spider - Trachelas Pennsylvania Spider for ID - Trachelas tranquillus Pennsylvania Spider  - Trachelas tranquillus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Trachelidae
Genus Trachelas
Synonyms and other taxonomic changes
Placed in family Trachelidae in 2014, though I am unsure how much agreement there is on that change.
Numbers
8 species in the U.S.
Range
Ranges are from Platnick and Shadab, 1974. (1)

T. huachucanus - Arizona, New Mexico.
T. mexicanus - Utah and Colorado south through Arizona, New Mexico, and Texas.
T. organatus - Arizona, Sonora, and Baja California.
T. pacificus - Range is Western North America from California and Nevada south to northern Baja California. This is the only species listed for CA by Steve Lew's site.
T. similis - Southeastern United States south to Costa Rica.
T. sinuosus - Southern Georgia and Florida.
T. tranquillus - New England south to Georgia and Alabama and west to Kansas and Minnesota. Also found in Ontario and Nova Scotia, Canada.
T. volutus - Southeastern United States.
See Also
Print References
digitallibrary.amnh.org - Platnick and Shadab, 1974, A revision of the bispinosus and bicolor groups of the spider genus Trachelas (Araneae, Clubionidae) in North and Central America and the West Indies.
Works Cited
1.A revision of the tranquillus and speciosus groups of the spider genus Trachelas in North and Central America
Platnick, Norman I.; Shadab, Mohammad Umar. . 1974. American Museum novitates ; no. 2553.