» 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
» Crustacea.Net Provides an interactive information retrieval system for the world crustaceans. http://crustacea.net/
» 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/
» 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
» Nonindigenous Crustaceans Describes common methods of introduction, with links to descriptions of species and US distribution maps. http://nas.er.usgs.gov/taxgroup/Crustaceans/
» 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/
» The Plankton Net Online Guide to Research in Plankton Ecology and Biological Oceanography http://www.biosci.ohiou.edu/faculty/currie/ocean/
» 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/