Classification
Animalia [kingdom]Arthropoda [phylum]
Crustacea [subphylum]
Malacostraca [class]
Decapoda [order]
Pleocyemata [suborder]
Thoracotremata [infraorder]
Grapsidoidea [superfamily]
Grapsidae [family]
Sesarminae [subfamily]
Chasmagnathus [genus]
Chasmagnathus convexus [species]