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Majoidea

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Japanese spider crabs
species of crab
Majidae
Majidae is a family of crabs, comprising around 200 marine species inside 52 genera, with a carapace that is longer than it is broad, and which forms a point at the front. The legs can be very long in some species, leading to the name "spider crab". The exoskeleton is covered with bristles to which the crab attaches algae and other items to act as camouflage.
Maja squinado
species of crustacean
Majoidea
Majoidea is a is a superfamily of crab which contains spider crabs, along with the decorator crabs.
Chionoecetes opilio
species of crustacean
Inachidae
Inachidae is a family of crabs, containing the following genera:
Epialtidae
Epialtidae is a family of crabs, containing the subfamilies:
Oregoniidae
Oregoniidae is a family of crabs, with members ranging across the world.
Great spider crab
species of crustacean
Maja
genus of crabs
Chionoecetes
Chionoecetes is a genus of crabs that live in the northern Pacific and Atlantic Oceans.
Hyas
genus of crabs
Stenorhynchus seticornis
species of crustacean
Macropodia rostrata
species of crustacean
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.
Chionoecetes bairdi
species of crustacean
Acanthonyx
thumb|right Acanthonyx is a genus of crabs, in the family Epialtidae, which was first described in 1828 by. The type species is Acanthonyx lunulatus.
Inachus
genus of crustaceans
Pisa
genus of crustaceans
Mithraculus sculptus
species of crustacean
Inachus phalangium
species of crustacean
Hyastenus
Hyastenus is a genus of crabs in the family Epialtidae, subfamily Pisinae, containing the following extant species:
Scorpion spider crab
species of crustacean
Pugettia
Pugettia is a genus of kelp crabs in the family Epialtidae. It comprises the following species:
Pisinae
Pisinae is a subfamily of crabs in the family Epialtidae, comprising the following genera:
Libinia
Libinia is a genus of crabs in the family Epialtidae, containing twelve extant species:
Notomithrax
Notomithrax is a genus of crabs of the family Majidae, containing four species: Notomithrax minor (Filhol, 1885) Notomithrax spinosus (H. Milne-Edwards, 1834) Notomithrax peronii (Miers, 1879) Notomithrax ursus (Herbst, 1788)
Achaeus
genus of crustaceans
Oregonia
genus of crabs
Anasimus
Anasimus is a genus of crab in the family Inachoididae, containing two species: Anasimus fugax A. Milne-Edwards, 1880 Anasimus latus Rathbun, 1894
Macropodia
Macropodia is a genus of crabs, belonging to the family Inachidae. It contains the following species:
Stenorhynchus
Stenorhynchus is a genus of marine crabs in the family Inachidae, containing the following species:
Pisa armata
species of crustacean
Hyas coarctatus
species of crustacean
Minyorhyncha crassa
species of crab
Rochinia
Rochinia is a genus of crab in the family Epialtidae, containing the following species:
Mithrax
Mithrax is a genus of spider crabs in the family Mithracidae.
Oregonia gracilis
species of crustacean
Loxorhynchus grandis
species of crustacean
Leptomithrax
Leptomithrax is a genus of crabs in the family Majidae, first described by Edward J. Miers in 1876. They have been on Earth for 37.2 million years.
Phalangipus
Phalangipus is a genus of crabs in the family Epialtidae.
Pleistacantha
Pleistacantha is a genus of crabs in the family Oregoniidae. The genus occurs throughout many coasts in Europe, Africa, Asia, and Oceania.
Macrocheira
Macrocheira is a genus of crab in the superfamily Majoidea. It contains the Japanese spider crab (Macrocheira kaempferi) as well as an extinct species, Macrocheira longirostra.
Choniognathus
Choniognathus is a genus of crabs in the family Majidae of the order Decapoda. It is composed of several species of marine spider crabs.
Loxorhynchus
Loxorhynchus is a genus of crabs of the eastern Pacific Ocean in the family Epialtidae.
Pyromaia tuberculata
species of crustacean (fossil)
Pyromaia
Pyromaia is a genus of crab in the family Inachoididae, containing the following species: Pyromaia acanthina Lemaitre, Campos & Bermúdez, 2001 Pyromaia arachna Rathbun, 1924 Pyromaia cuspidata Stimpson, 1871 Pyromaia mexicana Rathbun, 1893 Pyromaia propinqua Chace, 1940 Pyromaia tuberculata (Lockington, 1877) Pyromaia vogelsangi Türkay, 1968
Hoplophrys oatesii
Hoplophrys is a monotypic genus of crab in the family Epialtidae. It contains the single species Hoplophrys oatesii, also known as the candy crab, '''Oates's soft coral crab, commensal soft coral crab and Dendronephthya crab'''.
Hemus
genus of crustaceans
Herbstia
genus of crustaceans
Notomithrax ursus
species of crustacean
Oregonia bifurca
species of crustacean
Libinia emarginata
species of crustacean
Achaeus japonicus
species of crustacean
Xenocarcinus
Xenocarcinus is a genus of spider crabs in the family Epialtidae. They inhabit soft corals at subtidal zones up to 70 meters in depth in the Indo-West Pacific region, being found in Réunion, Aldabra, the Red Sea, the Persian Gulf, Sri Lanka, the Indo-Malayan Archipelago and Japan. Xenocarcinus conicus and Xenocarcinus tuberculatus crabs were found in Mu Koh Tao, western Gulf of Thailand, associated with gorgonians and wire coral, respectively.
Macropodia czernjawskii
species of crustacean
Camposcia retusa
Camposcia retusa, known commonly as the velcro crab, spider decorator crab, or harlequin crab, is a species of marine crustacea in the family Inachidae. It is known for attaching living sponges and corals to itself, which camouflage it. It is the only species in the genus Camposcia.
Pugettia producta
species of crustacean
Maja brachydactyla
species of Malacostraca
Anasimus latus
species of crustacean