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
      - Family Acidopsidae
      - Family Chasmocarcinidae
        
        Genus Alainthesius
        
        Genus Amboplax
        
        Genus Angustopelta
        
        Genus Australocarcinus
        
        Genus Camatopsis
        
        Genus Chasmocarcinops
        
        Genus Chasmocarcinus
        
        Genus Chinommatia
        
        Genus Deltopelta
        
        Genus Hephthopelta
        
        Genus Megaesthesius
        
        Genus Microtopsis
        
        Species Microtopsis takedai
        
        Species Microtopsis teschi
        
        Genus Notopelta
        
        Genus Raoulia
        
        Genus Statommatia
        
        Genus Tenagopelta
        
        Genus Trogloplax
        
        Genus Typhlocarcinodes
      - Family Conleyidae
      - Family Euryplacidae
      - Family Goneplacidae
      - Family Litocheiridae
      - Family Litocheiridae
      - Family Mathildellidae
      - Family Progeryonidae
      - Family Scalopidiidae
      - Family Sotoplacidae
      - Family Vultocinidae
    - Superfamily Hexapodoidea
    - Superfamily Hymenosomatoidea
    - Superfamily Leucosioidea
    - Superfamily Majoidea
    - 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

Microtopsis

Genus, Komai, Ng & Yamada, 2012