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Majoidea is a superfamily of crabs which includes the various spider crabs. == Taxonomy == It comprises five or six Recent families: *Epialtidae *Hymenosomatidae – may not belong here *Inachidae *Inachoididae *Majidae *Oregoniidae The families "Pisidae" and "Tychidae" are now treated as the subfamilies Pisinae and Tychinae of the family Epialtidae, and "Mithracidae" is now treated as the subfamily Mithracinae of the family Majidae.〔 Classification according to WoRMS : * family Epialtidae MacLeay, 1838 * family Hymenosomatidae MacLeay, 1838 * family Inachidae MacLeay, 1838 * family Inachoididae Dana, 1851 * family Majidae Samouelle, 1819 – "true" spider crabs * family Mithracidae Balss, 1929 * family Oregoniidae Garth, 1958 * family Pisidae Dana, 1851 Notable species within the superfamily include: *Japanese spider crab (''Macrocheira kaempferi''), the largest living species of crab, found on the bottom of the Pacific Ocean. *''Libinia emarginata'', the ''portly spider crab'', a species of crab found in estuarine habitats on the east coast of North America. *''Hyas'', a genus of spider crabs, including the great spider crab (''Hyas araneus''), found in the Atlantic and the North Sea. *''Maja squinado'', sometimes called the "European long leg crab or pie faced crab" because of the way its face is shaped. There is one fossil family, Priscinachidae, represented by a single species, ''Priscinachus elongatus'', from the Cenomanian of France. Image:Candy crab.jpg|''Hoplophrys oatesi'', a Epialtidae Image:Limnopilos naiyanetri - (4).jpg|''Limnopilos naiyanetri'', a Hymenosomatidae Image:Macrocheira kaempferi.jpg|''Macrocheira kaempferi'', a Inachidae Image:Pyromaia cuspidata.jpg|''Pyromaia cuspidata'', a Inachoididae Image:Maja squinado.jpg|''Maja squinado'', a Majidae Image:Hyas coarctatus.jpg|''Hyas coarctatus'', a Oregoniidae 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Majoidea」の詳細全文を読む スポンサード リンク
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