Tongnanlong
| Tongnanlong Temporal range:
?Late Jurassic, | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Family: | †Mamenchisauridae |
| Genus: | †Tongnanlong Wei et al., 2025 |
| Species: | †T. zhimingi
|
| Binomial name | |
| †Tongnanlong zhimingi Wei et al., 2025
| |
Tongnanlong (meaning "Tongnan District dragon") is a genus of mamenchisaurid dinosaur from the Late Jurassic Suining Formation of Chongqing, China. The type species is Tongnanlong zhimingi.