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Species Scotophaeus blackwalli

Scotophaeus blackwallii? - Scotophaeus blackwalli - female mouse spider - Scotophaeus blackwalli - male Mouse Spider - Scotophaeus blackwalli - female Is this a Scotophaeus blackwalli  - Scotophaeus blackwalli spider - Scotophaeus blackwalli Ground spider - Scotophaeus blackwalli Protective Mother - Scotophaeus blackwalli mouse spider - Scotophaeus blackwalli
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Gnaphosidae (Ground Spiders)
Genus Scotophaeus
Species blackwalli (Scotophaeus blackwalli)
Synonyms and other taxonomic changes
Explanation of Names
Scotophaeus blackwalli (Thorell, 1871)
Size
Female 9-12 mm; male 7-10 mm (J. Lissner)
Identification
Orange-brown covered with grey hairs; abdomen often has a silky-grey appearance, reminiscent of a mouse. Note that other gnaphosid species with faint or no markings can look incredibly similar.

Palp
Habitat
Synanthropic in North America.
Remarks
This spider was apparently introduced from Europe and is found around buildings on the Pacific Coast.
Internet References
Series of photos (including some from other BG contributors) here.
~ www.spiders.us - Image and detailed information.