Cassis tessellata, common name : the West African helmet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.[1]
| Cassis tessellata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Cassidae |
| Genus: | Cassis |
| Species: | C. tessellata
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| Binomial name | |
| Cassis tessellata Gmelin, 1791
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| Synonyms[1] | |
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Description
editThe shell is cone-shaped with a flattened apex, light with darker symmetrical spots. On the outer surface are small short spikes. The siphon (short and narrow) is strongly bent back. From the side of the mouth, the shell is white.[2] The size of an adult shell varies between 66 mm and 300 mm.
Distribution
editThis species occurs in the Caribbean Sea and in the Atlantic Ocean along Cape Verde and from Senegal to Angola.
References
edit- ^ a b Cassis tessellata Gmelin, 1791. Retrieved through: World Register of Marine Species on 6 December 2018.
- ^ Раковина. Западноафриканский шлем. Cassis tessellata//Сахалинский областной краеведческий музей
- Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.). Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. [Shells and molluscs of Angola]. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp
- Dautzenberg, Ph. (1929). Mollusques testacés marins de Madagascar. Faune des Colonies Francaises, Tome III
- Bernard, P.A. (Ed.) (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates pp.
- Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.
External links
edit- "Cassis (Cassis) tessellata". Gastropods.com. Retrieved 22 June 2011.
Media related to Cassis tessellata at Wikimedia Commons- Photos of Cassis tessellata on Sealife Collection
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