plastron, scutes, beak, radula, musk turtle, brachiopod, trilobite, scaleless, mandibles, tragus, palps, dorsal fin, tubercles, molts, mouthparts, pelvic fin, insectivore, condyle, barbels, gastropod, sapwood, caudal fin, moray eel, snout, ribbonlike, sculpins, braincase, appendages, blenny, flatfishes, claws, glans, concretion, barnacle, protuberances, frogfish, dolerite, incisor, dentition, medusa, gill, eggshell, stag beetle, pinkness, gorgonians, ovipositor, crustiness, conodonts, anglerfish, fossa, crania, serrations, ocean sunfish, peduncle, pectoral fin, rubbery, chimaeras, pincers, dewlap, pteropods, protrusion, ear lobe, pteropod, darning needle, ringlet, stony coral, moray, pteranodon, phalanges, aspic, crinoids, earlobes, tangs, fiddler crab, underparts, anal fin, lanternfish, crenellations, greenling, chiton, scorpionfish, spicule, callosities, gracile, femora, tympanum, setae, innards, caryatids, circlet, bilaterally symmetrical, creature, wasp waist, theropod dinosaur, turgidity, flowerlike, caul, leathery, shell, bivalve, ostracods, dentine, cranium, exoskeleton, hull, outer, fin, skull, thorax, abdomen, chest, operculum, cuticle, dorsum, fins, keel, pod, torso, belly, collar, aperture, mandible, ovate, pronotum, rostrum, clypeus, pronotal, anther, capsule, elongate, fuscous, hind, irregularly, labium, obovate, pileus, prothorax, sepal, testaceous

anostraca, branchiopod, branchiopodan, branchiopod crustacean, crab, crawfish, crayfish, dermochelys coriacea, horseshoe crab, king crab, langouste, leatherback, leatherback turtle, leathery turtle, limulus polyphemus, notostraca, order anostraca, order notostraca, rock lobster, sea crawfish, spiny lobster, xiphosurus polyphemus

arthropod, mollusc, mollusk, shellfish, turtle

exoskeleton

shell