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Infraorder Araneomorphae - True Spiders

Tiny Spider Small spider, dry habitat - male Ground Crab Spider - Xysticus Unknown Spider - Phidippus californicus Allocosa chamberlini ? - Allocosa funerea Drassyllus proclesis - male Unknown Arachnid - Scytodes atlacoya ?Phylloneta pictipes - Phylloneta pictipes - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
Numbers
93 families with ca. 38,500 spp. in 3450 genera worldwide (93% of all spiders)(1)
Identification
Features distinguishing araneomorphs from mygalomorphs:
two book lungs (=one pair); exceptions: Austrochilidae, Gradungulidae and Hypochilidae have four (=two pairs)
chelicerae and fangs open more or less perpendicular to the body axis
Habitat
extremely wide range of habitats
Remarks
Please don't post your spiders for ID at this level. If you are looking for an ID please post to the Spiders page. Thanks!