Sauropod

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Sauropoda
Temporal range: Upper TriassicUpper Cretaceous
Conservation status
Fossil
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsid
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Sauropoda
Marsh, 1878

The Sauropods were an infraorder of large, four-legged, herbivorous dinosaurs. They had very long necks, small heads with blunt teeth, a small brain, and long tails for counterbalancing their necks.