Taxon tree

Infraorder Anomura
- Superfamily Aegloidea
- Superfamily Chirostyloidea
- Superfamily Galatheoidea
- Superfamily Hippoidea
- Superfamily Lithodoidea
  - Family Hapalogastridae
    - Genus Acantholithodes
    - Genus Dermaturus
    - Genus Hapalogaster
    - Genus Oedignathus
    - Genus Placetron
      - Species Placetron wosnessenskii
  - Family Lithodidae
- Superfamily Lomisoidea
- Superfamily Paguroidea
Infraorder Brachyura

Placetron

Genus, Schalfeew, 1892