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Genus Coras

Found in my house - Coras - male Spider - Coras ID this spider - Coras - male ID this spider - Coras - male Hacklemesh Weaver - Coras Coras montanus Species - Coras montanus - female Am I a Brown Recluse? - Coras Aranea - Coras
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes)
Family Amaurobiidae (Hacklemesh Weavers)
Genus Coras
Synonyms and other taxonomic changes
Although these spiders have been placed in a cribellate family, they do not have a cribellum. See discussion here on page 25 (23). Coelotes, Coras, and Wadotes are ecribellate amaurobiids (from link).
Explanation of Names
From Vergil's Aeneid, one of the Argive twins.(1)
Identification
Howell and Jenkins state that "C medicinalis builds an extensive, broad, platform-like web that is equipped with a tubular or funnel retreat. Their webs are often constructed beneath overhanging rock ledges where the platform of the web sags somewhat."
Remarks
Eric suggested the possibility of these being in the genus Coras. Images are very similar to those in Howell and Jenkins. We've gathered the images here to hold them until ID can be worked out.
See Also
Tegenaria - info
Internet References
~ www.amaurobiidae.com - Key to species.
Works Cited
1.Spiders of North America: An Identification Manual
By D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds)