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Taxon tree

Infraorder Anomura
- Superfamily Aegloidea
- Superfamily Chirostyloidea
  - Family Chirostylidae
    - Genus Chirostylus
    - Genus Gastroptychus
      - Species Gastroptychus affinis
      - Species Gastroptychus brachyterus
      - Species Gastroptychus brevipropodus
      - Species Gastroptychus cavimurus
      - Species Gastroptychus defensus
      - Species Gastroptychus formosus
      - Species Gastroptychus hawaiiensis
      - Species Gastroptychus hendersoni
      - Species Gastroptychus iaspis
      - Species Gastroptychus investigatoris
      - Species Gastroptychus laevis
      - Species Gastroptychus meridionalis
      - Species Gastroptychus milneedwardsi
      - Species Gastroptychus novaezelandiae
      - Species Gastroptychus paucispina
      - Species Gastroptychus perarmatus
      - Species Gastroptychus rogeri
      - Species Gastroptychus salvadori
      - Species Gastroptychus spinifer
      - Species Gastroptychus sternoornatus
      - Species Gastroptychus valdiviae
    - Genus Hapaloptyx
    - Genus Heteroptychus
    - Genus Uroptychodes
    - Genus Uroptychus
  - Family Eumunididae
  - Family Kiwaidae
  - Family Sternostylidae
- Superfamily Galatheoidea
- Superfamily Hippoidea
- Superfamily Lithodoidea
- Superfamily Lomisoidea
- Superfamily Paguroidea
Infraorder Brachyura

Gastroptychus defensus

Author:	Benedict, 1902
Family:	Chirostylidae
Synonyms:	Chirostylus defensus Gastroptychus defensa Ptychogaster defensa
WoRMS:	URL

Database contains: 11.231 species (1.101 with photo), 1.749 genera, 126 families

Last update: 10/26/2025 7:33 PM

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