Yongdongaspis
| Yongdongaspis | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Infraphylum: | Agnatha |
| Class: | †Galeaspida |
| Order: | †Eugaleaspidiformes |
| Family: | †Yongdongaspididae Chen et al., 2022 |
| Genus: | †Yongdongaspis Chen et al., 2022 |
| Species: | †Y. littoralis |
| Binomial name | |
| †Yongdongaspis littoralis Chen et al., 2022 | |
Yongdongaspis, colloquially known as the Binhai Yongdong, is an extinct genus of galeaspid vertebrates within the monotypic family Yongdongaspididae. The type species is Y. littoralis and it was found in the Silurian-aged Huixingshao Formation of China. This makes it the oldest known fish fossil discovered in Chongqing to date.