Phylum : Arthropoda
Class : Crustacea
Sub class : Malacostraca
Series : Eumalacostraca
Super Order : Eucarida
Order : Decapoda
Infraorder : Brachyura
Family :Portunidae
Genus : Portunus
Sub Genus :Monomia
Species :gracilimanus
Authority : Stimpspon
Year :
