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(), n.[Gr. a kind of fish.] (Zol.) A shark of the genus Cestracion, and of related genera. The posterior teeth form a pavement of bony plates for crushing shellfish. Most of the species are extinct. The Port Jackson shark and a similar one found in California are living examples. Cestra"ciont a.(Zol.) Pertaining to, or characteristic of, the genus Cestracion. スポンサード リンク
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