| Tianchisaurus Temporal range: Late Jurassic,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Thyreophora |
| Clade: | †Ankylosauria |
| Genus: | †Tianchisaurus Dong, 1993 |
| Type species | |
| †Tianchisaurus nedegoapeferima Dong, 1993
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| Synonyms | |
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Tianchisaurus (meaning "heavenly pool lizard"), also invalidly called Tianchiasaurus and "Jurassosaurus", is a genus of ankylosaurian dinosaur from the Late Jurassic[1] (Oxfordian–Kimmeridgian)-aged Toutunhe Formation of China. It is one of the oldest ankylosaurs, being slightly younger than the Moroccan Spicomellus.[2] While many later-diverging ankylosaurids had bony clubs at the tips of their tails, Tianchisaurus likely lacked such a structure.
- ^ Huang, Diying (2019). "Jurassic integrative stratigraphy and timescale of China". Science China Earth Sciences. 62 (1): 223–255. Bibcode:2019ScChD..62..223H. doi:10.1007/s11430-017-9268-7. ISSN 1674-7313.
- ^ Maidment, Susannah C. R.; Strachan, Sarah J.; Ouarhache, Driss; Scheyer, Torsten M.; Brown, Emily E.; Fernandez, Vincent; Johanson, Zerina; Raven, Thomas J.; Barrett, Paul M. (2021-09-23). "Bizarre dermal armour suggests the first African ankylosaur". Nature Ecology & Evolution. 5 (12): 1576–1581. Bibcode:2021NatEE...5.1576M. doi:10.1038/s41559-021-01553-6. ISSN 2397-334X. PMID 34556830. S2CID 237616095.