Collier's New Encyclopedia (1921)/Columbella

COLUMBELLA, a genus of mollusks, of the family Buccinidæ; small, prettily marked shells, with a long narrow aperture, a thickened and dentated outer lip, a crenulated inner one, a small lamellar operculum. Recent species known 205, fossil 8. The former are from the subtropical and tropical parts of the old and new worlds; the latter from the Tertiary.