Category:Turritella

Tur`ri*tel"la, n. Etym: [nl., dim fr. L. turris tower.] (zoöl.)

Defn: any spiral marine gastropod belonging to turritella and allied Genera. These mollusks have an elongated, turreted shell, composed of Many whorls. They have a rounded aperture, and a horny multispiral Operculum.