Infraorder Araneomorphae - True Spiders

Classification · Numbers · Identification · Habitat · Remarks · Internet References · Works Cited

Acacesia hamata with parasite. Parasite ID or suggestions? - Acacesia hamata

Green Legs & Red Face - Habronattus pyrrithrix - male

Tigrosa Annexa? - Tigrosa helluo - female

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!

Internet References

The spider tree of life: phylogeny of Araneae based on target-gene analyses from an extensive taxon sampling

Works Cited

1.	The World Spider Catalog by Norman I. Platnick

Contributed by Jeff Hollenbeck on 29 March, 2006 - 11:56pm
Additional contributions by Lynette Elliott, v belov, mhedin
Last updated 31 December, 2020 - 2:47pm

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