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Taxon tree

Infraorder Anomura
Infraorder Brachyura
- Section Eubrachyura
  - Subsection Heterotremata
  - Subsection Thoracotremata
    - Superfamily Cryptochiroidea
    - Superfamily Grapsoidea
      - Family Gecarcinidae
      - Family Glyptograpsidae
      - Family Grapsidae
      - Family Leptograpsodidae
      - Family Percnidae
      - Family Plagusiidae
      - Family Sesarmidae
      - Family Varunidae
        
        Genus Acmaeopleura
        
        Genus Asthenognathus
        
        Genus Austrohelice
        
        Genus Brachynotus
        
        Genus Brankocleistostoma
        
        Genus Chasmagnathus
        
        Genus Cyclograpsus
        
        Genus Cyrtograpsus
        
        Genus Eriocheir
        
        Genus Gaetice
        
        Genus Gopkittisak
        
        Genus Grapsodius
        
        Genus Helicana
        
        Genus Helice
        
        Genus Helograpsus
        
        Genus Hemigrapsus
        
        Genus Metaplax
        
        Genus Neoeriocheir
        
        Genus Neohelice
        
        Genus Noarograpsus
        
        Genus Orcovita
        
        Genus Otognathon
        
        Genus Paragrapsus
        
        Genus Parahelice
        
        Genus Parapyxidognathus
        
        Genus Platyeriocheir
        
        Genus Proexotelson
        
        Genus Pseudogaetice
        
        Genus Pseudograpsus
        
        Genus Pseudohelice
        
        Genus Ptychognathus
        
        Species Ptychognathus affinis
        
        Species Ptychognathus altimanus
        
        Species Ptychognathus andamanensis
        
        Species Ptychognathus barbatus
        
        Species Ptychognathus capillidigitatus
        
        Species Ptychognathus crassimanus
        
        Species Ptychognathus demani
        
        Species Ptychognathus dentatus
        
        Species Ptychognathus easteranus
        
        Species Ptychognathus glaber
        
        Species Ptychognathus guijulugani
        
        Species Ptychognathus hachijoensis
        
        Species Ptychognathus insolitus
        
        Species Ptychognathus intermedius
        
        Species Ptychognathus ishii
        
        Species Ptychognathus johannae
        
        Species Ptychognathus lipkei
        
        Species Ptychognathus makii
        
        Species Ptychognathus onyx
        
        Species Ptychognathus pilipes
        
        Species Ptychognathus pilosus
        
        Species Ptychognathus polleni
        
        Species Ptychognathus pusillus
        
        Species Ptychognathus riedelii
        
        Species Ptychognathus spinicarpus
        
        Species Ptychognathus stimpsoni
        
        Species Ptychognathus takahashii
        
        Species Ptychognathus takahasii
        
        Genus Pyxidognathus
        
        Genus Scutumara
        
        Genus Sestrostoma
        
        Genus Tetragrapsus
        
        Genus Thalassograpsus
        
        Genus Utica
        
        Genus Varuna
      - Family Xenograpsidae
    - Superfamily Ocypodoidea
    - Superfamily Pinnotheroidea
- Section Podotremata

Ptychognathus crassimanus

Author:	Finnegan, 1931
Family:	Varunidae
WoRMS:	URL

Database contains: 11.231 species (1.100 with photo), 1.749 genera, 126 families

Last update: 9/29/2023 7:37 AM