olivella
noun
ol·i·vel·la
ˌäləˈvelə
1
capitalized
: a genus of small marine snails (family Olividae) having an operculum and a smooth shining shell formerly used by some Indians of the Pacific coast of North America as money and for ornament compare olive shell
2
plural -s
: any shell or animal of the genus Olivella
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Merriam-Webster unabridged
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