Taxon tree

Infraorder Anomura
- Superfamily Aegloidea
- Superfamily Chirostyloidea
- Superfamily Galatheoidea
  - Family Galatheidae
  - Family Munididae
  - Family Munidopsidae
    - Genus Galacantha
    - Genus Leiogalathea
    - Genus Munidopsis
    - Genus Shinkaia
      - Species Shinkaia crosnieri
  - Family Porcellanidae
- Superfamily Hippoidea
- Superfamily Lithodoidea
- Superfamily Lomisoidea
- Superfamily Paguroidea
Infraorder Brachyura

Shinkaia

Genus, Baba & Williams, 1998