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Echinoecus pentagonus

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Species of crab

Echinoecus pentagonus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Pilumnidae
Genus: Echinoecus
Species: E. pentagonus
Binomial name
Echinoecus pentagonus
(A. Milne-Edwards, 1879) 

Echinoecus pentagonus, the sea urchin crab, is a species of crab in the family Pilumnidae found from the Red Sea and East Africa to French Polynesia and the Hawaiian Islands. This crab is a parasite that lives in the rectum of a sea urchin. In Hawaii, it chooses only Echinothrix calamaris, leaving few of these urchins unpopulated. Its curved and pointed carapace reaches only 0.5 inches (1.3 cm) in width.

Taxonomic synonyms of E. pentagonus include:

  • Echinoecus klunzingeri Miyake, 1939
  • Echinoecus pentagonus Rathbun, 1894
  • Echinoecus rathbunae Miyake, 1939
  • Eumedon convictor Bouvier & Seurat, 1906
  • Eumedon pentagonus A. Milne-Edwards, 1879
  • Eumedonus petiti Gravier, 1922
  • Liomedon pentagonus Klunzinger, 1906

References

  1. Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 138. Archived from the original (PDF) on 2011-06-06.
  2. "Echinoecus pentagonus (Milne-Edwards, 1879)". SeaLifeBase. Retrieved December 22, 2010.
  3. John P. Hoover (2007). Hawaiian Sea Creatures. Mutual Publishing. ISBN 1-56647-220-2.
  4. P. Davie (2010). "Echinoecus pentagonus". World Register of Marine Species. Retrieved December 22, 2010.
Taxon identifiers
Echinoecus pentagonus


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