Prosauropods first appeared during the later part of Triassic period, remained successful into the early Jurassic period, but became extinct by the middle Jurassic. This infraorder was once thought to be ancestral to Sauropods (hence the name "Prosauropoda", which means "before Sauropoda"), but today they are considered to be a parallel sister-lineage.
Prosauropods were herbivores (plant-eaters). They had a long neck and small head. Their forelimbs were equipped with a thumb claw (probably used for defense), and were shorter than their hind limbs. Most species were semi-bipedal (able to talk on two legs at least some of the time), but some Prosauropods like Riojasaurus were fully quadrupedal (walking on four legs).
Prosauropods first appeared during the Triassic period and survived until the early Jurassic period
Types of Prosauropod Dinosaur
Here is a list of some Prosauropod dinosaurs:
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