Class Arachnida - Arachnids

Classification · Numbers · Identification · Internet References · Works Cited

Jumping Spider - Phidippus purpuratus - female

Daddy Long Legs? - Phalangium opilio - male

Phidippus Audax and lunch - Phidippus audax - female

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Class Arachnida (Arachnids)

Numbers

Worldwide: (1)

12 orders

450 families

75,500 species

Identification

One or two body parts

Four pairs of legs (usually - although immature ticks, for example, can have three pairs of legs)

No antennae

Internet References

Information on the Arachnids

Common Names of Arachnids 2003 Fifth Edition - The American Arachnological Society; Committee on Common Names of Arachnids

Works Cited

1.	Animal: The Definitive Visual Guide to the World's Wildlife By Don E. Wilson, David Burnie

Contributed by Troy Bartlett on 31 January, 2004 - 4:47pm
Additional contributions by Phillip Harpootlian, Lynette, Jeff Hollenbeck, Chuck Entz, Ted Kropiewnicki, kschnei
Last updated 24 October, 2008 - 6:34pm

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