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

Purple Shore Crab - Hemigrapsus nudus Hemigrapsus sanguineus Purple Shore Crab - Hemigrapsus nudus Hemigrapsus oregonensis Hemigrapsus nudus Grapsidae - Hemigrapsus nudus Hemigrapsus sanguineus? - Hemigrapsus sanguineus Hemigrapsus nudus (Dana) - Hemigrapsus nudus
Classification
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
Numbers
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.