Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


Family Grapsidae - Marsh Crabs, Shore Crabs, and Talon Crabs

some kind of shore crab? - Pachygrapsus crassipes shore crab? - Pachygrapsus crassipes Lined Shore Crab - Pachygrapsus crassipes Hemigrapsus sanguineus Hemigrapsus oregonensis Japanese Shore Crab - Hemigrapsus sanguineus Hemigrapsus sanguineus? - Hemigrapsus sanguineus 2000802 crab - Pachygrapsus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Eucarida (Eucarida (Crabs, Crayfish, Shrimp, etc.))
Order Decapoda (Crabs, Crayfishes, Lobsters, Prawns, and Shrimp)
Infraorder Brachyura (True Crabs)
Family Grapsidae (Marsh Crabs, Shore Crabs, and Talon Crabs)
Synonyms and other taxonomic changes
A number of taxa, formerly treated as subfamilies of the family Grapsidae are now considered families in their own right, including the Varunidae and Plagusiidae. (1)
Explanation of Names
Grapsidae Macleay, 1838
8 extant genera remain in the family (1)
Works Cited
1.A classification of living and fossil genera of decapod crustaceans.
Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. 2009. Raffles Bulletin of Zoology. Suppl. 21: 1–109.