THE PREHISTORIC A–Z
Explore the letter Y
A research index of dinosaur genus names, including names whose status has changed.
1,888 names catalogued from Wikipedia’s genus list on 11 October 2026. Inclusion does not establish that a name is a valid dinosaur genus. Historical or disputed names are marked for review. Names without a field note link go to the source overview.
- Yaleosaurus ↗Historical / disputed: review source
- Yamaceratops ↗Source index entry
- Yamanasaurus ↗Source index entry
- Yamatosaurus ↗Source index entry
- Yanbeilong ↗Source index entry
- Yandusaurus ↗Source index entry
- Yangchuanosaurus ↗Source index entry
- Yantaloong ↗Source index entry
- Yaverlandia ↗Historical / disputed: review source
- Yehuecauhceratops ↗Source index entry
- Yeneen ↗Source index entry
- Yezosaurus ↗Historical / disputed: review source
- Yi ↗Source index entry
- Yibinosaurus ↗Historical / disputed: review source
- Yimenosaurus ↗Source index entry
- Yingshanosaurus ↗Source index entry
- Yinlong ↗Source index entry
- Yixianosaurus ↗Source index entry
- Yizhousaurus ↗Source index entry
- Yongjinglong ↗Source index entry
- Ypupiara ↗Source index entry
- Yuanmouraptor ↗Source index entry
- Yuanmousaurus ↗Source index entry
- Yuanyanglong ↗Source index entry
- Yueosaurus ↗Source index entry
- Yulong ↗Source index entry
- Yunganglong ↗Source index entry
- Yunmenglong ↗Source index entry
- Yunnanosaurus ↗Source index entry
- Yunxianosaurus ↗Historical / disputed: review source
- Yunyangosaurus ↗Source index entry
- Yurgovuchia ↗Source index entry
- Yutyrannus ↗Source index entry
- Yuxisaurus ↗Source index entry
- Yuzhoulong ↗Source index entry