Aepinus (crab)
''Aepinus'' is a genus of crabs belonging to the family Inachoididae. The species of this genus are found in Central America. Species: *''Aepinus septemspinosus Aepinus may refer to: * Aepinus (crater) named after Franz Aepinus * ''Aepinus'' (crab), a genus of crabs * Franz Ulrich Theodor Aepinus (1724–1802), a German natural philosopher * Johannes Aepinus Johannes Aepinus (Johann Hoeck) (1499–1553) ...'' References {{Taxonbar, from=Q17986898 Majoidea Decapod genera ...
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Crabs
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting " tail" ( abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the world's oceans, in freshwater, and on land, are generally covered with a thick exoskeleton, and have a single pair of pincers. They first appeared during the Jurassic Period. Description Crabs are generally covered with a thick exoskeleton, composed primarily of highly mineralized chitin, and armed with a pair of chelae (claws). Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span up to . Several other groups of crustaceans with similar appearances – such as king crabs and porcelain crabs – are not true crabs, but have evolved features similar to true crabs through a process known as carcinisation. Environment Crabs are found in all of the world's oceans, as well as ...
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Inachoididae
Inachoididae is a family of crabs originally erected by James Dwight Dana in 1852. It was not recognised as a valid family until the early 1980s. Its members closely resemble those of the family Inachidae, and the Inachoididae could be recognised as a subfamily of that family. *''Aepinus Aepinus may refer to: * Aepinus (crater) named after Franz Aepinus * ''Aepinus'' (crab), a genus of crabs * Franz Ulrich Theodor Aepinus (1724–1802), a German natural philosopher * Johannes Aepinus Johannes Aepinus (Johann Hoeck) (1499–1553) ...'' Rathbun, 1897 *'' Anasimus'' A. Milne-Edwards, 1880 *'' Arachnopsis'' Stimpson, 1871 *'' Batrachonotus'' Stimpson, 1871 *'' Collodes'' Stimpson, 1860 *'' Euprognatha'' Stimpson, 1871 *'' Inachoides'' H. Milne-Edwards & Lucas, 1842 *'' Leurocyclus'' Rathbun, 1897 *'' Paradasygyius'' Garth, 1958 *'' Pyromaia'' Stimpson, 1871 References Majoidea Decapod families {{Crab-stub ...
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Aepinus Septemspinosus
Aepinus may refer to: * Aepinus (crater) named after Franz Aepinus * ''Aepinus'' (crab), a genus of crabs * Franz Ulrich Theodor Aepinus (1724–1802), a German natural philosopher * Johannes Aepinus Johannes Aepinus (Johann Hoeck) (1499–1553) was a German Lutheran theologian, the first Superintendent of Hamburg from 1532 to 1553, presiding as spiritual leader over the Lutheran state church of Hamburg. Life He was born at Ziesar or Zieges ...

Majoidea
The Majoidea are a superfamily of crabs which includes the various spider crabs. Taxonomy In "''A classification of living and fossil genera of decapod crustaceans''" De Grave and colleagues divided Majoidea into six families: * Family Epialtidae ** Subfamily Epialtinae ** Subfamily Pisinae ** Subfamily Pliosomatinae ** Subfamily Tychiinae * Family Hymenosomatidae * Family Inachidae * Family Inachoididae * Family Majidae ** Subfamily Eurynolambrinae ** Subfamily Majinae ** Subfamily Micromaiinae ** Subfamily Mithracinae ** Subfamily Planoterginae * Family Oregoniidae The classification has since been revised, with subfamilies Epialtinae and Mithracinae being elevated to families and Hymenosomatidae being moved to its own superfamily. The family composition according to the World Register of Marine Species is as follows: * family Epialtidae MacLeay, 1838 * family Inachidae MacLeay, 1838 * family Inachoididae Dana, 1851 * family Macrocheiridae Dana, 1851 * family Majidae ...
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