Z

  • Zanabazar
  • Zhejiangosaurus
  • Zhongornis Seems intermediary between Archaeopteryx and birds
  • Zhongyuansaurus
  • Zhuchengceratops
  • Zhuchengtyrannus
  • Zigongosaurus
  • Zizhongosaurus
  • Zuolong

Y

  • Yamaceratops
  • Yandangornis
  • Yandusaurus
  • Yangchuanosaurus
  • Yibinosaurus
  • Yimenosaurus
  • Yingshanosaurus The only fossil specimen of this species has apparently been lost.
  • Yinlong
  • Yixianosaurus
  • Yizhousaurus
  • Yuanmousaurus
  • Yunnanosaurus
  • Yunxiansaurus

T

  • Talarurus
  • Tangvayosaurus
  • Tanius
  • Tarbosaurus
  • Tarchia
  • Tatisaurus
  • Therizinosaurus
  • Tianchisaurus
  • Tianyulong
  • Tianyuraptor
  • Tianzhenosaurus
  • Tienshanosaurus
  • Tochisaurus
  • Tonganosaurus
  • Tonouchisaurus
  • Troodon Cretaceous Known from several teeth, that were found in Siberia.
  • Tsaagan
  • Tsagantegia
  • Tsintaosaurus
  • Tsuchikurasaurus
  • Tugulusaurus
  • Tuojiangosaurus
  • Turanoceratops First ceratopsid found outside North America (though ceratopsians are known from elsewhere)
  • Tylocephale