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
      - Family Brusiniidae
      - Family Carcinidae
      - Family Geryonidae
      - Family Ovalipidae
      - Family Pirimelidae
      - Family Polybiidae
      - Family Portunidae
        
        Genus Achelous
        
        Species Achelous angustus
        
        Species Achelous asper
        
        Species Achelous binoculus
        
        Species Achelous brevimanus
        
        Species Achelous depressifrons
        
        Species Achelous floridanus
        
        Species Achelous gibbesii
        
        Species Achelous granulatus
        
        Species Achelous guaymasensis
        
        Species Achelous iridescens
        
        Species Achelous isolamargaritensis
        
        Species Achelous ordwayi
        
        Species Achelous rufiremus
        
        Species Achelous sebae
        
        Species Achelous spinicarpus
        
        Species Achelous spinimanus
        
        Species Achelous stanfordi
        
        Species Achelous tuberculatus
        
        Species Achelous tumidulus
        
        Genus Arenaeus
        
        Genus Atoportunus
        
        Genus Callinectes
        
        Genus Caphyra
        
        Genus Carcinus
        
        Genus Carupa
        
        Genus Carupella
        
        Genus Catoptrus
        
        Genus Cavoportunus
        
        Genus Charybdis
        
        Genus Coelocarcinus
        
        Genus Cronius
        
        Genus Cycloachelous
        
        Genus Echinolatus
        
        Genus Euphylax
        
        Genus Gonioinfradens
        
        Genus Goniosupradens
        
        Genus Kume
        
        Genus Laleonectes
        
        Genus Libystes
        
        Genus Lissocarcinus
        
        Genus Lupella
        
        Genus Lupocycloporus
        
        Genus Lupocyclus
        
        Genus Monomia
        
        Genus Nectocarcinus
        
        Genus Pele
        
        Genus Podophthalmus
        
        Genus Portumnus
        
        Genus Portunus
        
        Genus Richerellus
        
        Genus Sanquerus
        
        Genus Scylla
        
        Genus Thalamita
        
        Genus Thalamitoides
        
        Genus Thalamonyx
        
        Genus Thranita
        
        Genus Trierarchus
        
        Genus Vojmirophthalmus
        
        Genus Xaiva
        
        Genus Xiphonectes
        
        Genus Zygita
      - Family Thiidae
    - Superfamily Potamoidea
    - Superfamily Pseudothelphusoidea
    - Superfamily Pseudozioidea
    - Superfamily Retroplumoidea
    - Superfamily Trapezioidea
    - Superfamily Trichodactyloidea
    - Superfamily Trichopeltarioidea
    - Superfamily Xanthoidea
  - Subsection Thoracotremata
- Section Podotremata

Achelous

Genus, De Haan, 1833

Achelous spinicarpus, Bruno Ogata