Phylum Arthropoda Siebold, 1848 - arthropods
Superclass Crustacea Pennant, 1777 - crustaceans
see [unranked] Crustaceomorpha Chernyshev, 1960
Class Malacostraca Latreille, 1802
Subclass Eumalacostraca Grobben, 1892
Superorder Peracarida Calman, 1904
Order Isopoda Latreille, 1817 - isopods
Suborder Flabellifera Sars, 1882
Family Cirolanidae Dana, 1852
Subfamily Eurydicinae Stebbing, 1905
Genus Colopisthus Richardson, 1902