Hapalogaster

Hapalogaster
Hapalogaster grebnitzkii
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Anomura
Family: Lithodidae
Subfamily: Hapalogastrinae
Genus: Hapalogaster
Brandt, 1850 
Type species
Hapalogaster mertensii
Brandt, 1850

Hapalogaster is a genus of king crabs, containing the following four species:

ImageScientific nameCommon nameDistribution
Hapalogaster cavicauda Stimpson, 1859West Coast of the United States
Hapalogaster dentata (De Haan, 1849)Stone crab, spiny stone crabYellow Sea, Sea of Japan, coast of Mainland Japan
Hapalogaster grebnitzkii Schalfeew, 1892
Hapalogaster mertensii Brandt, 1850