Silurian chondrichthyan found in South China

[Oxytropidoceras]

Fish got their jaws millions of years earlier than previously thought

Meet the spiny, ancient Fanjingshania renovatais—likely the oldest 

discovered fish ancestor with jaws. Laura Baias, Live Science

 

Ancient 'shark' from China is humans’ oldest jawed ancestor

Palaeontologists discover a 439-million-year-old 'shark' that forces 

us to rethink the timeline of vertebrate evolution

Chinese Academy of Sciences, Eureka Alert, October 3, 2022

 

The paper is:

 

Andreev, P.S., Sansom, I.J., Li, Q., Zhao, W., Wang, J., Wang, 

C.C., Peng, L., Jia, L., Qiao, T. and Zhu, M., 2022. Spiny 

chondrichthyan from the lower Silurian of South China. Nature, 

609(7929), pp.969-974.

 

Yours,

 

Paul H.

[Oxytropidoceras]

A related paper in the same issue:

 

Zhu, Y.A., Li, Q., Lu, J., Chen, Y., Wang, J., Gai, Z., Zhao, W., Wei, G., Yu, Y., Ahlberg, P.E. and Zhu, M., 2022. The oldest complete jawed vertebrates from the early Silurian of China. Nature, 609(7929), pp.954-958.

 

Yours,

 

Paul H.