Trochus is a genus of medium-sized to large, top-shaped sea snails with an operculum and a pearly inside to their shells, marine gastropod molluscs in the family Trochidae, the top snails. When the word `trochus` or `Trochus` is used in reference to fishing sea snails for commercial purposes, the usual species targeted is Tectus niloticus, whi...
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http://en.wikipedia.org/wiki/Trochus
• (n.) Any one of numerous species of marine univalve shells belonging to Trochus and many allied genera of the family Trochidae. Some of the species are called also topshells.
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http://thinkexist.com/dictionary/meaning/trochus/
(from the article `top shell`) ...and Calliostoma are common along temperate Atlantic shores, while those of Tegula and Calliostoma are abundant in the Pacific. Tropical top shells ...
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http://www.britannica.com/eb/a-z/t/83
(Latin) a hoop that a child might play with.
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https://www.encyclo.co.uk/local/10135
No exact match found.
