Sauropoda n. pl. : An extinct order of herbivorous dinosaurs having the feet of a saurian type, instead of birdlike, as they are in many dinosaurs. It includes the largest known land animals, belonging to Brontosaurus, Camarasaurus, and allied genera. See Illustration in Appendix.

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Taxonomy
sauropods, sauropod dinosaurs, dinosaurs, animals, Sauropoda, herds, species, limbs, skeleton, titanosaurs, neck, Cetiosaurus, bones, sauropod family, posture, evidence, juveniles, eds.

Defination from the web:
Sauropoda. Marsh, 1878. Families. See text. Sauropoda (pronounced /sɔːˈrɒpədə/), or the sauropods (/ˈsɔrɵpɒd/), are an infraorder or ... Sauropoda. In The Dinosauria, 2nd edition. D. Weishampel, P. Dodson, and H. Osmólska (eds.). University of California Press, Berkeley. Pp. 259–322. ...