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
      - Family Epialtidae
      - Family Hymenosomatidae
      - Family Inachidae
      - Family Inachoididae
      - Family Majidae
        
        Genus Ageitomaia
        
        Genus Alcomaja
        
        Genus Anacinetops
        
        Genus Choniognathus
        
        Genus Cyclax
        
        Genus Entomonyx
        
        Genus Eurynolambrus
        
        Genus Eurynome
        
        Genus Hemus
        
        Genus Holthuija
        
        Genus Jacquinotia
        
        Genus Kasagia
        
        Genus Kimbla
        
        Genus Leptomithrax
        
        Genus Maiopsis
        
        Genus Maja
        
        Genus Majella
        
        Genus Microhalimus
        
        Genus Naxia
        
        Genus Neomaja
        
        Genus Notomithrax
        
        Genus Ovimaja
        
        Genus Paraentomonyx
        
        Genus Paramaja
        
        Genus Paramaya
        
        Genus Paramithrax
        
        Genus Pippacirama
        
        Genus Planaja
        
        Genus Planotergum
        
        Species Planotergum mirabile
        
        Genus Prismatopus
        
        Genus Pseudomicippe
        
        Genus Rathbunaja
        
        Genus Sakaija
        
        Genus Schizophroida
        
        Genus Schizophrys
        
        Genus Seiitaoides
        
        Genus Temnonotus
        
        Genus Teratomaia
        
        Genus Thersandrus
        
        Genus Tumulosternum
      - Family Mithracidae
      - Family Oregoniidae
    - 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
  - Subsection Thoracotremata
- Section Podotremata

Planotergum

Genus, Balss, 1935