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
    - Superfamily Hexapodoidea
    - Superfamily Hymenosomatoidea
    - Superfamily Leucosioidea
    - Superfamily Majoidea
    - Superfamily Orithyioidea
    - Superfamily Palicoidea
    - Superfamily Parthenopoidea
    - Superfamily Pilumnoidea
    - Superfamily Portunoidea
    - Superfamily Potamoidea
      - Family Potamidae
        
        Genus Acanthopotamon
        
        Genus Acartiapotamon
        
        Genus Alcomon
        
        Genus Allopotamon
        
        Genus Amamiku
        
        Genus Aparapotamon
        
        Genus Apotamonautes
        
        Genus Artopotamon
        
        Genus Aspermon
        
        Genus Baccazia
        
        Genus Badistemon
        
        Genus Balssipotamon
        
        Genus Beccumon
        
        Genus Binhthuanomon
        
        Genus Bottapotamon
        
        Genus Candidiopotamon
        
        Genus Cantopotamon
        
        Genus Carpomon
        
        Genus Cerberusa
        
        Genus Chinapotamon
        
        Genus Cryptopotamon
        
        Genus Daipotamon
        
        Genus Dalatomon
        
        Genus Demanietta
        
        Genus Diyutamon
        
        Genus Doimon
        
        Genus Donopotamon
        
        Genus Dromothelphusa
        
        Genus Eosamon
        
        Genus Erebusa
        
        Genus Esanpotamon
        
        Genus Eurusamon
        
        Genus Flabellamon
        
        Genus Gempala
        
        Genus Geothelphusa
        
        Genus Hainanpotamon
        
        Genus Heterochelamon
        
        Genus Himalayapotamon
        
        Genus Huananpotamon
        
        Genus Ibanum
        
        Genus Indochinamon
        
        Genus Inlethelphusa
        
        Genus Insulamon
        
        Genus Iomon
        
        Genus Isolapotamon
        
        Genus Johora
        
        Genus Kanpotamon
        
        Genus Kempamon
        
        Genus Kukrimon
        
        Genus Lacunipotamon
        
        Genus Laevimon
        
        Genus Larnaudia
        
        Genus Latopotamon
        
        Genus Lobothelphusa
        
        Genus Longpotamon
        
        Genus Lophopotamon
        
        Genus Luteomon
        
        Genus Malayopotamon
        
        Genus Mediapotamon
        
        Genus Megacephalomon
        
        Genus Megapleonum
        
        Genus Mindoron
        
        Genus Minpotamon
        
        Genus Minutomon
        
        Genus Nakhonsimon
        
        Genus Nanhaipotamon
        
        Genus Neilupotamon
        
        Genus Nemoron
        
        Genus Neolarnaudia
        
        Genus Neotiwaripotamon
        
        Genus Ovitamon
        
        Genus Parapotamon
        
        Genus Parapotamonoides
        
        Genus Pararanguna
        
        Genus Paratelphusula
        
        Genus Parvuspotamon
        
        Genus Phaibulamon
        
        Genus Pilosamon
        
        Genus Planumon
        
        Genus Potamiscus
        
        Genus Potamon
        
        Genus Pudaengon
        
        Genus Pupamon
        
        Genus Qianguimon
        
        Genus Qianpotamon
        
        Genus Quadramon
        
        Genus Rathbunamon
        
        Genus Ryukyum
        
        Species Ryukyum yaeyamense
        
        Genus Semicirculara
        
        Genus Setosamon
        
        Genus Shanphusa
        
        Genus Sinolapotamon
        
        Genus Sinopotamon
        
        Genus Socotra
        
        Genus Socotrapotamon
        
        Genus Stelomon
        
        Genus Stoliczia
        
        Genus Takpotamon
        
        Genus Tenuilapotamon
        
        Genus Tenuipotamon
        
        Genus Teretamon
        
        Genus Terrapotamon
        
        Genus Thaiphusa
        
        Genus Thaipotamon
        
        Genus Thampramon
        
        Genus Tiwaripotamon
        
        Genus Tomaculamon
        
        Genus Trichopotamon
        
        Genus Vadosapotamon
        
        Genus Vietopotamon
        
        Genus Villopotamon
        
        Genus Yarepotamon
        
        Genus Yuebeipotamon
        
        Genus Yuexipotamon
      - Family Potamonautidae
    - Superfamily Pseudothelphusoidea
    - Superfamily Pseudozioidea
    - Superfamily Retroplumoidea
    - Superfamily Trapezioidea
    - Superfamily Trichodactyloidea
    - Superfamily Trichopeltarioidea
    - Superfamily Xanthoidea
  - Subsection Thoracotremata
- Section Podotremata

Ryukyum

Genus, Ng & Shokita, 1995