article: Turtle
links: Convergent evolution Horn (anatomy) Synapsid Jaw Aquatic Organ (anatomy) Upper Triassic Incubation Beach Herbivore Chewing Gene Breathing Lung Carnivore Green turtle Sauropsid Mesozoic Algonquian languages Cryptodira Testudines Ancient Greek Backbone Shell (zoology) Sphere Antarctica Pleurodira Holocene Land Continent Sea turtle Pig-nosed turtle Adaptive radiation Southern hemisphere Extinction Odontochelys Upper Jurassic Ankylosaur North America Neck (body part) British English Archelon China Australian English American English Ernst Haeckel