Jacforus

Jacforus cavatus is a species of crab in the monotypic genus Jacforus in the family Xanthidae.

Jacforus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Subphylum:
Crustacea
Class:
Malacostraca
Order:
Decapoda
Infraorder:
Brachyura
Family:
Xanthidae
Genus:
Jacforus

Ng & Clark, 2003
Species:
J. cavatus
Binomial name
Jacforus cavatus
(Rathbun, 1907)
Synonyms
  • Cycloxanthops cavatus Rathbun, 1907
  • Euxanthus minutus Edmondson, 1925
  • Megametope sulcatus Edmondson, 1931
  • Cycloxanthops cavata (Rathbun, 1907)
  • Neoxanthops cavata (Rathbun, 1907)

Description

Jacforus is a small crab, with a carapace around 5 millimetres (0.20 in) long and 7 mm (0.28 in) wide.[1]

Distribution

Jacforus cavatus has a wide distribution in the tropical Indo-Pacific, ranging from Kenya to Australia, Japan and Hawaii.[1]

Taxonomy

J. cavatus was first described by Mary J. Rathbun in 1907 as Cycloxanthus cavatus.[1] It was described again by Charles Howard Edmondson in 1925 as Euxanthus minutus, and again by Edmondson in 1931 as Megametope sulcatus, both of which are junior subjective (heterotypic) synonyms.[1] The affinites of Rathbun's species with other genera have also been unclear;[1] its apparent affinities with the genus Medaeus are superficial.[1] When Danièle Guinot split the genus Cycloxanthops in 1968, creating the new genus Neoxanthops, C. cavatus was not explicitly placed in either genus.[1] A new genus, Jacforus, was erected in 2003, commemorating Jacques Forest,[1] and containing only J. cavatus.[2]

References
  1. Peter K. L. Ng; Paul F. Clark (2003). "Three new genera of Indo-West Pacific Xanthidae (Crustacea, Decapoda, Brachyura, Xanthoidea)" (PDF). Zoosystema. 25 (1): 131–147. Archived from the original (PDF) on 2012-03-19.
  2. Peter K. L. Ng; Danièle Guinot; Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology. 17: 1–286. Archived from the original (PDF) on 2011-06-06.
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