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- adj. Describing the dinosaurs of the superfamily Therizinosauroidea
Sorry, no etymologies found.
In 1999, they first described the find in "A therizinosauroid dinosaur with integumentary structures from China," published in Nature
Other dinosaurs found together with Beishanlong and Xiongguanlong include the beaked and probably herbivorous therizinosauroid theropod Suzhousaurus, primitive relatives of duck-billed dinosaurs, the small horned dinosaur Auroraceratops, and both small and large sickle-clawed theropods.