Harpago arthritica

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Harpago arthritica
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily: Stromboidea
Family: Strombidae
Genus: Harpago
Species: H. arthritica
Binomial name
Harpago arthritica
(Röding, 1798)
  • Lambis arthritica Röding, 1798 (basionym)
  • Lambis chiragra arthritica (Roding, 1798)
  • Strombus divergens Perry, 1811
  • Strombus nigricans Perry, 1811

Harpago arthritica, common name : the arthritic spider conch, is a species of sea snail, a marine gastropod mollusk in the family Strombidae, the true conchs.[1]


The size of an adult shell varies between 110 mm and 190 mm.


This species is distributed in the Indian Ocean along the Aldabra Atoll, Kenya, Madagascar, the Maldives, the Mascarene Basin, Mauritius, Mozambique, Réunion, the Seychelles and Tanzania; in the Pacific Ocean along the Philippines.


  • Taylor, J.D. (1973). Provisional list of the mollusca of Aldabra Atoll
  • Richmond, M. (Ed.) (1997). A guide to the seashores of Eastern Africa and the Western Indian Ocean islands. Sida/Department for Research Cooperation, SAREC: Stockholm, Sweden. ISBN 91-630-4594-X. 448 pp.

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