Phylum Arthropoda Siebold, 1848 - arthropods
Subphylum Crustacea BrĂ¼nnich, 1772 - crustaceans
see Superclass Crustacea Pennant, 1777
Class Malacostraca Latreille, 1802
Subclass Eumalacostraca Grobben, 1892
Superorder Eucarida Calman, 1904
Order Decapoda Latreille, 1802 - decapods
Suborder Pleocyemata Burkenroad, 1963
Infraorder Brachyura Latreille, 1802 - true crabs
Section Eubrachyura de Saint Laurent, 1980
Subsection Thoracotremata Guinot, 1977
Superfamily Grapsoidea MacLeay, 1838
1 Family Gecarcinidae MacLeay, 1838
2 Family Glyptograpsidae Schubart et al., 2001
3 Family Grapsidae MacLeay, 1838
4 Family Plagusiidae Dana, 1851
5 Family Sesarmidae Dana, 1851
6 Family Varunidae Milne Edwards, 1853