Half-billion-year-old sea squirt could push back origins of vertebrates (Marjum Limestone, Utah)

[Oxytropidoceras]

Half-billion-year-old sea squirt could push

back origins of vertebrates, including humans

Rare fossil “looks like it died yesterday”

by Amanda Heidt, Science, July 6, 2023

 

The open access paper is:

 

Nanglu, K., Lerosey-Aubril, R., Weaver, J.C. et al. 

A mid-Cambrian tunicate and the deep origin of

the ascidiacean body plan. Nature Commun. 14, 3832

(2023). https://doi.org/10.1038/s41467-023-39012-4

 

Yours,

 

Paul H.