Isopoda Latreille, 1817
Afrignathia Hadfield & Smit, 2008
Akidognathia Stebbing, 1912
Ancaeus Agassiz, 1846
Anceus Risso, 1816
Bathygnathia Dollfus, 1901
Bythognathia Camp, 1988
Caecognathia Dollfus, 1901
Elaphognathia Monod, 1926
Euneognathia Stebbing, 1893
Gibbagnathia Cohen & Poore, 1994
Gnathia Leach, 1814
Monodgnathia Cohen & Poore, 1994
Paragnathia Omer-Cooper & Omer-Cooper, 1916
Praniza Latreille, 1817
Tenerognathia Tanaka, 2005
Thaumastognathia Monod, 1926
