| 11. | "L . littorea " is now the most common marine snail along the North Atlantic coast.
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| 12. | Like all species within the genus " Conus ", these marine snails are predatory and venomous.
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| 13. | Phylum Mollusca-cone snails and related predatory marine snails, some octopuses ( notably the blue-ringed octopus ).
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| 14. | Predatory marine snails such as the Naticidae use the radula plus an acidic secretion to bore through the shell of other molluscs.
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| 15. | Some marine snails such as abalone and top snails, Trochidae, have numerous small tentacles around the edge of the mantle.
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| 16. | A notable and much-studied invertebrate of Heron Island is " Cerithium moniliferum ", a small marine snail.
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| 17. | Natural causes appear to have claimed just one of the animals, a marine snail that used to live off New England's shores.
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| 18. | British and Dutch tests have shown the substance to cause mutations in marine snails and the World Wildlife Fund is calling for a global ban.
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| 19. | But British and Dutch tests have shown the substance to cause mutations in marine snails and the World Wildlife Fund is calling for its global ban.
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| 20. | But British and Dutch tests have shown the substance to cause mutations in marine snails, and the World Wildlife Fund is calling for its global ban.
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