Zoea Taurus Small 320×305 Medium 640×610 Large 1024×975 Download Tiff Original 2400×2286 | (510.8 KB) Description "The lowest division of articulate animals is the Crustacea. Their name signifies a hard crust of covering, with which the animals are protected." Keywords Cephalopoda, cephalous mollusca, Crab, crustacean, lobster, Mollis, mollusks, shrimp Galleries Crustaceans Source: Hazlitt Alva Cuppy PH.D., Editor Beauties and Wonders of Land and Sea (Springfield, OH: Mast, Crowell & Kirkpatrick, 1895)