Cymothoida

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.

Classification
Cymothoida contains these superfamilies and families:


 * 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
 * Superfamily Cryptoniscoidea Kossmann, 1880
 * 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
 * Bopyridae Rafinesque, 1815
 * Entoniscidae Kossmann, 1881
 * Ionidae H. Milne Edwards, 1840