Cassis Zebra (Lamarck) Small 210×320 Medium 421×640 Large 673×1024 Download Tiff Original 1578×2400 | (1.3 MB) Description "In the genus Cassis the shell is oval, convex, and the spire is not of considerable height. These animals keep near the shore, in shallow water." Keywords cephalous mollusca, Mollis, mollusks, snail sea shell Galleries Snails and Slugs Source: Hazlitt Alva Cuppy PH.D., Editor Beauties and Wonders of Land and Sea (Springfield, OH: Mast, Crowell & Kirkpatrick, 1895)