Numbers
9 species found in the USA.
Identification
The large clasping spur on on tibia I and the thick, curved femur I are diagnostic for the genus.
Range
angela - USA
castanea - USA
conifera - USA
deserta - USA
mojavea - USA
monterea - USA
oasa - USA
schicki - USA
tristis (bispinosa) - USA
Internet References
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digitallibrary.amnh.org - The Spider Family Plectreuridae, Gertsch, 1958 - Descriptions and drawings of the family Plectreuridae.