| Xiushanosteus Temporal range:
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|---|---|
| |
| Reconstruction of Xiushanosteus mirabilis | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †incertae sedis |
| Genus: | †Xiushanosteus Zhu et al, 2022 |
| Species: | †X. mirabilis
|
| Binomial name | |
| †Xiushanosteus mirabilis Zhu et al, 2022
| |
Xiushanosteus is a genus of placoderm from the Huixingshao Formation of China. It contains one species, Xiushanosteus mirabilis. It is one of the earliest known jawed vertebrates, at roughly 435 million years old.[1] Xiushanosteus is known from around 20 specimens, most of which are complete.
- ^ Zhu, You-an; Li, Qiang; Lu, Jing; Chen, Yang; Wang, Jianhua; Gai, Zhikun; Zhao, Wenjin; Wei, Guangbiao; Yu, Yilun; Ahlberg, Per E.; Zhu, Min (29 September 2022). "The oldest complete jawed vertebrates from the early Silurian of China". Nature. 609 (7929): 954–958. doi:10.1038/s41586-022-05136-8.
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