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
  - Family Lithodidae
- Superfamily Lomisoidea
- Superfamily Paguroidea
Infraorder Brachyura

Hapalogastridae

Family, Brandt, 1850

Hapalogaster dentata, 大土直哉 Naoya Ohtsuchi