Pachydiplax

Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Atelocerata
Class: Hexapoda (including Insecta)
Infraclass: Palaeoptera
Subclass: Pterygota
Order: Odonata
Suborder: Anisoptera
Superfamily: Libelluloidea
Family: Libellulidae
Subfamily: Sympetrinae
Genus: Pachydiplax