Crustacea

Tree of Life - Crustacea - Taxonomy reference information.
http://tolweb.org/tree?group=Crustacea&contgroup=Arthropoda

Zooplankton Sensory Systems - Dan Hartline and Petra Lenz's research (primarily crustacean).
http://www.pbrc.hawaii.edu/~lucifer/

The Plankton Net - Online Guide to Research in Plankton Ecology and Biological Oceanography
http://www.biosci.ohiou.edu/faculty/currie/ocean/

The Crustacean Society - International society with the purpose to advance the study of all aspects of the biology of crustaceans, and to enhance the exchange of information among persons interested in them.
http://www.vims.edu/tcs/

Microscopic Freshwater Crustaceans - Article by Wim van Egmond introducing water fleas, ostracods and copepods with several excellent photographs.
http://www.microscopy-uk.org.uk/mag/wimsmall/crust.html

Crustacea.Net - Provides an interactive information retrieval system for the world crustaceans.
http://crustacea.net/

Galaxy of Images: Crustaceans - Provides images from the printed books and manuscripts in the collections of the Smithsonian Institution Libraries.
http://www.sil.si.edu/imagegalaxy/imageGalaxy_collResult.cfm?term=Crustaceans

Crustaceans of Southern Australia - Guide to the diverse fauna of the Victorian coastline.
http://museumvictoria.com.au/crust/

Nonindigenous Crustaceans - Describes common methods of introduction, with links to descriptions of species and US distribution maps.
http://nas.er.usgs.gov/taxgroup/Crustaceans/

Land Crabs of the Seychelles islands - This site contains information about the various coastal and terrestrial crabs of the Seychelles islands.
http://www.geocities.com/ericdemuylder/

Amphipods, Isopods, Shrimp, Ostracods and Krill - Photographs and information from the Underwater Field Guide to Ross Island and McMurdo Sound, Antarctica.
http://www.peterbrueggeman.com/nsf/fguide/arthropoda-1.html