Two new species of well-preserved jawed fishes with complete bodies from the early Silurian period (Telychian age, around 436 million years ago) of Chongqing, South China are described: a jawed stem gnathostome, Xiushanosteus mirabilis, and a chondrichthyan, Shenacanthus vermiformis.
- You-an Zhu
- Qiang Li
- Min Zhu