Taxon tree

Infraorder Anomura
Infraorder Brachyura
- Section Eubrachyura
  - Subsection Heterotremata
    - Superfamily Aethroidea
    - Superfamily Bythograeoidea
    - Superfamily Calappoidea
    - Superfamily Cancroidea
    - Superfamily Carpilioidea
    - Superfamily Cheiragonoidea
    - Superfamily Corystoidea
    - Superfamily Dairoidea
    - Superfamily Dorippoidea
    - Superfamily Eriphioidea
    - Superfamily Gecarcinucoidea
    - Superfamily Goneplacoidea
    - Superfamily Hexapodoidea
    - Superfamily Hymenosomatoidea
    - Superfamily Leucosioidea
    - Superfamily Majoidea
    - Superfamily Orithyioidea
    - Superfamily Palicoidea
    - Superfamily Parthenopoidea
    - Superfamily Pilumnoidea
    - Superfamily Portunoidea
    - Superfamily Potamoidea
    - Superfamily Pseudothelphusoidea
    - Superfamily Pseudozioidea
    - Superfamily Retroplumoidea
    - Superfamily Trapezioidea
    - Superfamily Trichodactyloidea
    - Superfamily Trichopeltarioidea
    - Superfamily Xanthoidea
      - Family Panopeidae
      - Family Pseudorhombilidae
      - Family Xanthidae
        
        Genus Actaea
        
        Genus Actaeodes
        
        Genus Actiomera
        
        Genus Alainodaeus
        
        Genus Aldrovandiopanope
        
        Genus Allactaea
        
        Genus Antrocarcinus
        
        Genus Aristotelopanope
        
        Genus Atergatis
        
        Genus Atergatopsis
        
        Genus Banareia
        
        Genus Batodaeus
        
        Genus Bottoxanthodes
        
        Genus Bruciana
        
        Genus Calvactaea
        
        Genus Camilohelleria
        
        Genus Carpoporus
        
        Genus Cataleptodius
        
        Genus Chlorodiella
        
        Genus Chlorodopsis
        
        Genus Coralliope
        
        Genus Cranaothus
        
        Genus Crosnierius
        
        Genus Cyclodius
        
        Genus Cycloxanthops
        
        Genus Cymo
        
        Genus Cyrtocarcinus
        
        Genus Danielea
        
        Genus Demania
        
        Genus Ectaesthesius
        
        Genus Edwardsium
        
        Genus Epiactaea
        
        Genus Epiactaeodes
        
        Genus Epistocavea
        
        Genus Epixanthops
        
        Genus Etisus
        
        Genus Eucratodes
        
        Genus Euryxanthops
        
        Genus Euxanthus
        
        Genus Forestiana
        
        Genus Gaillardiellus
        
        Genus Garthasia
        
        Genus Garthiella
        
        Genus Garthiope
        
        Genus Gaudichaudia
        
        Genus Glyptocarcinus
        
        Genus Glyptoxanthus
        
        Genus Gonopanope
        
        Genus Guinotellus
        
        Genus Guitonia
        
        Genus Hepatoporus
        
        Genus Heteractaea
        
        Genus Hypocolpus
        
        Genus Jacforus
        
        Genus Juxtaxanthias
        
        Genus Kraussia
        
        Genus Lachnopodus
        
        Genus Ladomedaeus
        
        Genus Leptodius
        
        Genus Liagore
        
        Genus Linnaeoxanthus
        
        Genus Liocarpilodes
        
        Genus Liomera
        
        Genus Lioxanthodes
        
        Genus Lipaesthesius
        
        Genus Lipkemedaeus
        
        Genus Lipkemera
        
        Genus Lobiactaea
        
        Genus Lophozozymus
        
        Genus Luniella
        
        Genus Lybia
        
        Genus Macromedaeus
        
        Genus Marratha
        
        Genus Medaeops
        
        Genus Medaeus
        
        Genus Megametope
        
        Genus Melybia
        
        Genus Meractaea
        
        Genus Metaxanthops
        
        Genus Microcassiope
        
        Genus Micropanope
        
        Genus Miersiella
        
        Genus Monodaeus
        
        Genus Nanocassiope
        
        Genus Nectopanope
        
        Genus Neoliomera
        
        Genus Neolioxantho
        
        Genus Neoxanthias
        
        Genus Neoxanthops
        
        Genus Novactaea
        
        Genus Odhnea
        
        Genus Olenothus
        
        Genus Orphnoxanthus
        
        Genus Ovatis
        
        Genus Palapedia
        
        Genus Palatigum
        
        Genus Paractaea
        
        Genus Paractaeopsis
        
        Genus Paraetisus
        
        Genus Paraliomera
        
        Genus Paramedaeus
        
        Genus Paratergatis
        
        Genus Paraxanthias
        
        Genus Paraxanthodes
        
        Genus Paraxanthus
        
        Genus Paretisus
        
        Genus Pestoxanthodes
        
        Genus Phymodius
        
        Genus Pilodius
        
        Genus Pilomedaeus
        
        Genus Platyactaea
        
        Genus Platypodia
        
        Genus Platypodiella
        
        Genus Pleurocolpus
        
        Genus Polydectus
        
        Species Polydectus cupulifer
        
        Genus Psaumis
        
        Genus Pseudactaea
        
        Genus Pseudoliomera
        
        Genus Pseudomedaeus
        
        Genus Pulcratis
        
        Genus Rata
        
        Genus Ratha
        
        Genus Rizalthus
        
        Genus Serenius
        
        Genus Soliella
        
        Genus Speocarcinus
        
        Genus Sulcodius
        
        Genus Takedax
        
        Genus Trichia
        
        Genus Tunebia
        
        Genus Tweedieia
        
        Genus Vellodius
        
        Genus Visayax
        
        Genus Wardoxanthops
        
        Genus Williamstimpsonia
        
        Genus Xanthias
        
        Genus Xantho
        
        Genus Xanthodius
        
        Genus Zosimus
        
        Genus Zozymodes
  - Subsection Thoracotremata
- Section Podotremata

Polydectus

Genus, H. Milne Edwards, 1837