Gecarcoidea

Gecarcoidea
Christmas Island red crab
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Gecarcinidae
Genus:
H. Milne-Edwards, 1837
Synonyms [1]
  • Pelocarcinus H. Milne-Edwards, 1853
  • Hylaeocarcinus Wood-Mason, 1873
  • Limnocarcinus De Man, 1879

Gecarcoidea is a genus of terrestrial crabs within the family Gecarcinidae.

The following species within the genus Gecarcoidea are recognised:[1][2]

Image Name Common name Distribution
Gecarcoidea humei [3](Wood-Mason, 1874) the eastern Indian Ocean, including Christmas Island[3]
Gecarcoidea lalandii H. Milne-Edwards, 1837 Andaman Islands purple crab the Indo-Pacific from the Andaman Islands and eastwards
Gecarcoidea natalis Pocock, 1889) Christmas Island red crab Christmas Island and Cocos (Keeling) Islands

History

When Michael Türkay revised the Gecarcinidae family in 1974, the G. humei species was originally classified as a junior synonym of the G. lalandii species.[3] However, due to differences in physical characteristics and distribution, G. humei became recognised as an independent species to G. lalandii in 2017.[3]

References

  1. ^ a b Ng, Peter K. L.; Guinot, Danièle; Davie, Peter J. F. (2008-01-31). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). The Raffles Bulletin of Zoology. 17: 1–286. Archived (PDF) from the original on 2011-06-06 – via the Natural History Museum of Los Angeles County.
  2. ^ Boyko, Christopher B. (24 May 2022). "Gecarcoidea H. Milne Edwards, 1837". WoRMS. World Register of Marine Species. Retrieved 13 March 2025.
  3. ^ a b c d Lai, Joelle C. Y.; Shih, Hsi-Te; Ng, Peter K. L. (2017-06-09). "The systematics of land crabs of the genus Gecarcoidea and recognition of a pseudocryptic species, G. humei, from the eastern Indian Ocean (Crustacea : Decapoda : Gecarcinidae)". Invertebrate Systematics. 31 (4): 406–426. doi:10.1071/IS16052. ISSN 1447-2600.


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