Xenoceratops foremostensis
Xenoposeidon proneneukos
Xenotarsosaurus bonapartei
Xianshanosaurus shijiagouensis
Xiaosaurus dashanpensis
Xiaotingia zhengi
Xingtianosaurus ganqi
Xingxiulong chengi
Xinjiangovenator parvus
Xinjiangtitan shanshanesis
Xiongguanlong baimoensis
Xixianykus zhangi
Xixiasaurus henanensis
Xixiposaurus suni
Xiyunykus pengi
Xuanhanosaurus qilixiaensis
Xuanhuaceratops niei
Xunmenglong yinlianglis
Xuwulong yuelani
