Gecarcoidea

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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: Gecarcoidea
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

[edit]

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

[edit]
  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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