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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Cladus: Pancrustacea
Superclassis: Multicrustacea
Classis: Malacostraca
Subclassis: Eumalacostraca
Superordo: Peracarida
Ordo: Isopoda
Cladus: Scutocoxifera
Subordo: Cymothoida
Superfamiliae: AnthuroideaBopyroideaCirolanoideaCryptoniscoideaCymothooidea
Genera incertae sedis (Epicaridea): CarocryptusCryptocisusCryptocotitusCryptonusElocryptusNalocryptusNeritoniscusNococryptusOnocryptusOsicryptus

Cymothoida is the name of a suborder of isopod crustaceans with a mostly carnivorous or parasitic lifestyle. It contains more than 2,700 described species in four superfamilies. Members of the suborder are characterised by their specialised mouthparts which include a mandible with a tooth-like process which is adapted for cutting or slicing.[1]

Cymothoida contains these superfamilies and families:[2]

Superfamily Anthuroidea Leach, 1814
Antheluridae Poore & Lew Ton, 1988
Anthuridae Leach, 1814
Expanathuridae Poore, 2001
Hyssuridae Wägele, 1981
Leptanthuridae Poore, 2001
Paranthuridae Menzies & Glynn, 1968
Superfamily Cymothooidea Leach, 1814
Aegidae White, 1850
Anuropidae Stebbing, 1893
Barybrotidae Hansen, 1890
Cirolanidae Dana, 1852
Corallanidae Hansen, 1890
Cymothoidae Leach, 1818
Gnathiidae Leach, 1814
Protognathiidae Wägele & Brandt, 1988
Tridentellidae Bruce, 1984

Infraorder Epicaridea[3]
Superfamily Cryptoniscoidea Kossmann, 1880[4]
Asconiscidae Bonnier, 1900
Cabiropidae Giard & Bonnier, 1887
Crinoniscidae Bonnier, 1900
Cryptoniscidae Kossmann, 1880
Cyproniscidae Bonnier, 1900
Dajidae Giard & Bonnier, 1887 (synonym: Colypuridae Richardson, 1905)
Entophilidae Richardson, 1903
Hemioniscidae Bonnier, 1900
Podasconidae Bonnier, 1900
Stellatoniscidae Oanh & Boyko, 2020
Superfamily Bopyroidea Rafinesque, 1815[5]
Bopyridae Rafinesque, 1815
Entoniscidae Kossmann, 1881
Ionidae H. Milne Edwards, 1840

Wikimedia Commons has media related to Cymothoida.

Srour, Marc (2012-07-13). "Tongue Biters and Deep Sea Giants: The Cymothoida (Crustacea: Isopoda)". Teaching Biology. Archived from the original on 2014-06-06. Retrieved 2014-06-03.
Schotte M, Boyko CB, Bruce NL, Poore GC, Taiti S, Wilson GD (eds.). "Cymothoida". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved November 11, 2012.
WoRMS. "Epicaridea". World Register of Marine Species. Retrieved 28 December 2022.
WoRMS. "Cryptoniscoidea Kossmann, 1880". World Register of Marine Species. Retrieved 28 December 2022.
WoRMS. "Bopyroidea Rafinesque, 1815". World Register of Marine Species. Retrieved 28 December 2022.


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