gasteropod


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gasteropod

or

gastropod

any member of the class Gasteropoda in the phylum Mollusca, including MOLLUSCS such as slugs, snails, pteropods, limpets, winkles, whelks and sea slugs. Some forms lack a shell, but where a shell is present it is in the form of a single valve, often spiral. Marine, freshwater and terrestrial forms occur, and there is usually a distinct head, bearing a pair of tentacles and eyes.

gasteropod

References in periodicals archive ?
gasteropod shellfish, whose elongated, narrow opening has always been an erotic metaphor (see the role of such shellfish in surrealist symbolism and the French term derived from the Italian porcellana)" (1266-67).
Unknow gasteropod Echinodermata Astrostole platei Centrostephanus rodgersii Heliaster canopus Holothuria (Mertensiothuria) platei Parvulastra calcarata Polychaeta Polychaeta sp.

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