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
[www.science.org]

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). [doi.org]
[www.nature.com]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)