Majoidea

Majoidea is a is a superfamily of crab which contains spider crabs, along with the decorator crabs.

==Taxonomy== In "A classification of living and fossil genera of decapod crustaceans" De Grave and colleagues divided Majoidea into six families. 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: Epialtidae MacLeay, 1838 Inachidae MacLeay, 1838 Inachoididae Dana, 1851 Macrocheiridae Dana, 1851 Majidae Samouelle, 1819 – "true" spider crabs Mithracidae Balss, 1929 Oregoniidae Garth, 1958 Priscinachidae Breton, 2009