Classification
Animalia [kingdom]Arthropoda [phylum]
Crustacea [subphylum]
Malacostraca [class]
Decapoda [order]
Pleocyemata [suborder]
Brachyura [infraorder]
Grapsidoidea [superfamily]
Grapsidae [family]
Ptychognathus [genus]
Genus Ptychognathus bevat de volgende taxa:
Ptychognathus easteranus [species]