Hapalogaster

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

{| class="wikitable" |- ! Image !! Scientific name !!Common name!! Distribution |- | 120px ||Hapalogaster cavicauda |||| West Coast of the United States |- | 120px ||Hapalogaster dentata || Stone crab, spiny stone crab || Yellow Sea, Sea of Japan, coast of Mainland Japan |- | 120px ||Hapalogaster grebnitzkii |||| |- | 120px ||Hapalogaster mertensii |||| |}