Psittacosaurus is a genus of small, herbivorous dinosaur that lived during the Early Cretaceous period, around 130 million years ago. This dinosaur is particularly notable for its parrot-like beak and distinctive characteristics, which provide insights into the evolutionary history of ceratopsians, a group that includes more famous members like Triceratops. Psittacosaurus is considered one of the earliest known ceratopsians and offers important clues about the transition of dinosaurs from basic herbivorous adaptations to more complex feeding strategies.
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