Palinurus Vulgaris Small 202×320 Medium 403×640 Large 645×1024 Download Tiff Original 1512×2400 | (910.6 KB) Description "The common crayfish. Crustaceans are nearly all carnivorous. a, left outward root-jaw" Keywords Cephalopoda, cephalous mollusca, Crab, crustacean, lobster, Mollis, mollusks Galleries Crustaceans Source: Hazlitt Alva Cuppy PH.D., Editor Beauties and Wonders of Land and Sea (Springfield, OH: Mast, Crowell & Kirkpatrick, 1895)