Taxon tree

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

Oedignathus

Genus, Benedict, 1895