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Genus Busycoarctum |
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Busycoarctum coarctatum (G. B. Sowerby I, 1825) Turnip Whelk |
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| Trawled from a depth of 300 feet off Contoy Light, Yucan Peninsula, Mexico (170 mm.) |
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| Trawled from 90 meters on muddy sand, Yucatan, East Mexico (161 mm.) |
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| Off Yucatan Peninsula, Mexico (62-142 mm.) |
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