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Erosaria Ocellata
''Naria ocellata'', common name the ocellate cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family (biology), family Cypraeidae, the cowries. Description The shells of these quite uncommon cowries reach on average of length, with a minimum size of and a maximum size of . They are oval and have a medium thickness. The dorsum surface of these smooth and shiny shells has generally a fawn or cream color and it is spread with numerous white spots, a few of them with a black centre (hence the Latin name ''ocellata'' meaning "eyed"). The base is whitish and often has a brown blotch, while the pronounced margins show various fawn spots on a pale background. In the living cowries mantle and foot are well developed. Distribution This species occurs in the northern Indian Ocean (see range map) on the coasts of Mozambique, Persian Gulf, Gulf of Oman, southern India, Maldives, Sri Lanka, up to Thailand, southern Java and Melanesia. Habitat ''Naria ocellata ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gastropod Shell
The gastropod shell is part of the body of a Gastropoda, gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some gastropods appear shell-less (slugs) but may have a remnant within the mantle, or in some cases the shell is reduced such that the body cannot be retracted within it (semi-slug). Some snails also possess an operculum that seals the opening of the shell, known as the Aperture (mollusc), aperture, which provides further protection. The study of mollusc shells is known as conchology. The biological study of gastropods, and other molluscs in general, is malacology. Shell morphology terms vary by species group. Shell layers The gastropod shell has three major layers secreted by the Mantle (mollusc), mantle. The calcareous central layer, tracum, is typically made of calcium carbonate precipitated into an organic matrix known as c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
