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Family Porcellanidae - Porcelain Crabs

Representative Images

crab Petrolisthes armatus? - Petrolisthes armatus Polyonyx gibbesi Polyonyx gibbesi Polyonyx gibbesi Pachycheles rudis Petrolisthes (armatus?) - Petrolisthes Petrolisthes (armatus?) - Petrolisthes

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 Anomura (Hermit Crabs and Mole Crabs)
Superfamily Galatheoidea
Family Porcellanidae (Porcelain Crabs)

Identification

Adults recognized by reduced hind legs curled around abdomen, leaving only three pairs of walking legs:


Zoea instantly recognizable based on extremely elongated rostrum: