Cymothoida

Cymothoida is 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
Eurydice pulchra (Cirolanidae)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Superorder:	Peracarida
Order:	Isopoda
Suborder:	Cymothoida Wägele, 1989
Superfamilies
Anthuroidea Bopyroidea Cymothooidea Cryptoniscoidea

Classification

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