| Turbo tursicus | |
|---|---|
 | |
| Drawing with an abapertural view of a shell of Turbo tursicus | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Turbinidae |
| Genus: | Turbo |
| Species: | T. tursicus |
| Binomial name | |
| Turbo tursicus (Reeve, 1843) | |
| Synonyms [1] | |
Turbo somnuekiPatamakanthin, 2001 | |
Turbo tursicus is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails. [1]
The shell grows to a length of 20 mm. The imperforated shell is somewhat pyramidally ovate. The sutures of the spire are excavated. The whorls are spirally squamately ridged, slanting around the upper part, sharply angled, erectly squamate at the angle. The aperture is small.
This species is well characterized by its style of painting. It is whitish with broad scarlet rays, particularly distinct on the sloping upper surfaces of the whorls. These are sometimes edged with black posteriorly, and the suture is more or less stained with that color. The lower part of the body whorl is for the most part scarlet with a few narrow white streaks (sometimes black-spotted) radiating from the umbilical region. The operculum is white, thick, convex, and granose externally. [2]
This marine species occurs in the Indian Ocean off East Africa and the Seychelles; off the Andaman Islands, Thailand and the Philippines.
The gastropod shell is part of the body of a 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, 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.
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