Taxon tree

Infraorder Anomura
Infraorder Brachyura
- Section Eubrachyura
  - Subsection Heterotremata
  - Subsection Thoracotremata
    - Superfamily Cryptochiroidea
    - Superfamily Grapsoidea
    - Superfamily Ocypodoidea
      - Family Camptandriidae
      - Family Dotillidae
      - Family Heloeciidae
      - Family Macrophthalmidae
      - Family Mictyridae
      - Family Ocypodidae
        
        Genus Afruca
        
        Genus Austruca
        
        Genus Cranuca
        
        Genus Gelasimus
        
        Genus Leptuca
        
        Genus Minuca
        
        Genus Ocypode
        
        Genus Paraleptuca
        
        Genus Petruca
        
        Species Petruca panamensis
        
        Genus Tubuca
        
        Genus Uca
        
        Genus Xeruca
      - Family Ucididae
      - Family Xenophthalmidae
    - Superfamily Pinnotheroidea
- Section Podotremata

Petruca

Genus, Shih, Ng & Christy, 2015