THE PREHISTORIC A–Z
Explore the letter J
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.
- Jaculinykus ↗Source index entry
- Jainosaurus ↗Source index entry
- Jakapil ↗Source index entry
- Jaklapallisaurus ↗Source index entry
- Janenschia ↗Source index entry
- Jaxartosaurus ↗Source index entry
- Jeholosaurus ↗Source index entry
- Jeholraptor ↗Historical / disputed: review source
- Jenghizkhan ↗Historical / disputed: review source
- Jensenosaurus ↗Historical / disputed: review source
- Jeyawati ↗Source index entry
- Jian ↗Source index entry
- Jianchangosaurus ↗Source index entry
- Jiangjunmiaosaurus ↗Historical / disputed: review source
- Jiangjunosaurus ↗Source index entry
- Jiangshanosaurus ↗Source index entry
- Jiangxisaurus ↗Source index entry
- Jiangxititan ↗Source index entry
- Jianianhualong ↗Source index entry
- Jinbeisaurus ↗Source index entry
- Jinchuanloong ↗Source index entry
- Jindipelta ↗Historical / disputed: review source
- Jinfengopteryx ↗Source index entry
- Jingia ↗Historical / disputed: review source
- Jingiella ↗Source index entry
- Jingshanosaurus ↗Source index entry
- Jintasaurus ↗Source index entry
- Jinyunpelta ↗Source index entry
- Jinzhousaurus ↗Source index entry
- Jiutaisaurus ↗Source index entry
- Joaquinraptor ↗Source index entry
- Jobariadinosaur · Jurassic
- Jubbulpuria ↗Historical / disputed: review source
- Judiceratops ↗Source index entry
- Julieraptor ↗Historical / disputed: review source
- Jurapteryx ↗Historical / disputed: review source
- Jurassosaurus ↗Historical / disputed: review source
- Juratyrant ↗Source index entry
- Juravenator ↗Source index entry