Word Study
Scalaria
CIDE DICTIONARY
Scalaria, n. [L., flight of steps.].
Any one of numerous species of marine gastropods of the genus Scalaria , or family Scalaridæ , having elongated spiral turreted shells, with rounded whorls, usually crossed by ribs or varices. The color is generally white or pale. Called also ladder shell , and wentletrap . See Ptenoglossa, and Wentletrap. [1913 Webster]
For further exploring for "Scalaria" in Webster Dictionary Online