Tur`ri*tel"la (?), n. [NL., dim fr. L.
turris tower.] (Zoöl.) 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.
Tur`ri*tel"la (?), n. [NL., dim fr. L.
turris tower.] (Zoöl.) 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.