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Family Amaurobiidae - Hacklemesh Weavers

Amaurobid - Amaurobius ferox - male Spider - Callobius - male Spider - Callobius - male large dark spider Red spider - Callobius severus Callobius sp. - Callobius pictus - female Callobius cf. manzanita - Callobius - female Spider - Amaurobius ferox - 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 Amaurobiidae (Hacklemesh Weavers)
Numbers
97 species in 10 genera. (1)
Size
1.3-20.0 mm.
Habitat
"Most amaurobiids occur in cryptozoic habitats on the forest floor, in and under decomposing logs, in leaf litter, and under rocks. Some... are found in the bark cavities of standing trees and others have been recorded from rocky grasslands, buildings and caves". (1)
Remarks
The placement of some images to genus and species in this family may be questionable as many are similar and hard to distinguish from photos alone.
Internet References
Works Cited
1.Spiders of North America: An Identification Manual
D. Ubick, P. Paquin, P.E. Cushing and V. Roth (eds). 2005. American Arachnological Society.