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Early Triassic & Jurassic Dinosaurs

The Triassic and Early Jurassic periods were the time periods in which dinosaurs first appeared. Learn more about the Triassic and Early Jurassic dinosaurs, such as the Lufengosaurus, Massospondylus, and Scutellosaurus.

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Heterodontosaurus

Heterodontosaurus is a small plant eating dinosaur that most likely walked on its hind legs. An unusual feature on this dinosaur is a pair of tusks that probably helped with eating. What else do we know about this tiny dinosaur?


Triassic and Early Jurassic Periods

The Triassic and early Jurassic periods were the time periods in which dinosaurs first appeared. Learn about the Triassic and early Jurassic periods. See more »

Anchisaurus

Anchisaurus was one of the earliest North American dinosaurs described. Learn about Anchisaurus and find out what the Anchisaurus looked like. See more »

Barapasaurus

Barapasaurus is named for a word meaning "big leg" in a local dialect in central India. Learn more about Barapasaurus and Barapasaurus behavior. See more »

Coelophysis

Coelophysis was a sauropod of spectacular proportions. Learn more about the Coelophysis, early Jurassic dinosaurs, and dinosaurs of all eras. See more »

Dilophosaurus

Dilophosaurus was a sauropod of spectacular proportions. Learn more about the Dilophosaurus, early Jurassic dinosaurs, and dinosaurs of all eras. See more »

Euskelosaurus

Euskelosaurus was a sauropod of spectacular proportions. Learn more about the Euskelosaurus, early Jurassic dinosaurs, and dinosaurs of all eras. See more »

Herrerasaurus

Herrerasaurus was a sauropod of spectacular proportions. Learn more about the Herrerasaurus, Late Triassic dinosaurs, and dinosaurs of all eras. See more »

Heterodontosaurus

Heterodontosaurus was a sauropod of spectacular proportions. Learn more about the Heterodontosaurus, early Jurassic dinosaurs, and dinosaurs of all eras. See more »

Lesothosaurus

Lesothosaurus was a sauropod of spectacular proportions. Learn more about the Lesothosaurus, early Jurassic dinosaurs, and dinosaurs of all eras. See more »

Lufengosaurus

Lufengosaurus was a sauropod of spectacular proportions. Learn more about the Lufengosaurus, early Jurassic dinosaurs, and dinosaurs of all eras. See more »