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Temporal range: Late Triassic to Early Jurassic, 225–190 Ma
Plateosaurus panorama.jpg
Mounted skeletons of Plateosaurus engelhardti from the Trossingen Formation of southern Germany, mounted in the Institute for Geosciences Tübingen
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: Sauropodomorpha
Clade: Plateosauria
Family: Plateosauridae
Type species
Plateosaurus engelhardti
von Meyer, 1837
  • Sellosauridae Huene, 1908
  • Prosauropoda Huene, 1920

Prosauropods were a group of early herbivorous dinosaurs that lived during the later Triassic and early Jurassic periods.

They were the largest herbivores in their environment, and quickly reached (6 to 10 meters long). All prosauropods had a long neck and small head, forelimbs shorter than the hindlimbs, and a very large thumb claw for defense. They were originally thought to be the ancestors of the sauropods, but are now considered by some as a parallel lineage.

Taxonomy[change | change source]