Helcion concolor

Helcion concolor

Helcion concolor shell
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Patellogastropoda
Superfamily:	Patelloidea
Family:	Patellidae
Genus:	Helcion
Species:	H. concolor
Binomial name
*Helcion concolor* (Krauss, 1848)
Synonyms^[1]
Patella concolor Krauss, 1848 Patella concolor f. polygramma Tomlin, 1931 Patella farquhari Turton, 1932 Patella helena Turton, 1932 Patella rietensis Turton, 1932 Patella variabilis Krauss, 1848 Patella variabilis var. concolor Krauss, 1848 Patella variabilis var. constellata Sowerby III, 1921 Patella variabilis var. fasciata Krauss, 1848 Patella variabilis var. fasciolata Tomlin, 1931 Patella variabilis var. helvola Turton, 1932 Patella variabilis var. polygramma Tomlin, 1931 Patella variabilis var. radiata Krauss, 1848

Helcion concolor, common name the variable limpet, is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Patellidae, one of the families of true limpets.^[1]

Distribution

This species occurs in the Indian Ocean off Mozambique and South Africa.

The size of the shell varies between 30 mm and 60 mm.

Dorsal view.

Ventral view.

Kalk, M. (1958). The fauna of the intertidal rocks at Inhaca Island, Delagoa Bay. Ann. Natal Mus. 14: 189-242.
Kilburn, R. N. 1972. Taxonomic notes on South African marine Mollusca (2), with the description of new species and subspecies of Conus, Nassarius, Vexillum and Demoulia. Annals of the Natal Museum 21(2):391-437, 15 figs.
Kilburn, R.N. & Rippey, E. (1982) Sea Shells of Southern Africa. Macmillan South Africa, Johannesburg, xi + 249 pp. page(s): 37
Steyn, D.G. & Lussi, M. (1998) Marine Shells of South Africa. An Illustrated Collector’s Guide to Beached Shells. Ekogilde Publishers, Hartebeespoort, South Africa, ii + 264 pp. page(s): 16
Koufopanou et al (1999). A molecular phylogeny of the patellid limpets (Gastropoda: Patellidae) and its implications for the origins of their antitropical distribution Mol. Phylogenet. Evol. 11(1):138-156
Branch, G.M. et al. (2002). Two Oceans. 5th impression. David Philip, Cate Town & Johannesburg
Nakano & Ozawa (2007). Worldwide phylogeography of limpets of the order Patellogastropoda: Molecular, morphological and palaeontological evidence. Journal of Molluscan Studies 73(1) 79-99.
Petit R.E. (2009) George Brettingham Sowerby, I, II & III: their conchological publications and molluscan taxa. Zootaxa 2189: 1–218

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