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

[Hans Van 't Zelfde]

Please no mails, Hans died

Met vriendelijke groet,
The family of Hans van ‘t Zelfde

> Op 7 jul. 2023 om 17:36 heeft Paul <etchplain at att.net> het volgende geschreven:
> 
> 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
> https://www.science.org/content/article/half-billion-year-old-sea-squirt-could-push-back-origins-vertebrates-including-humans
> 
> 
> 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. Nat Commun 14, 3832
> (2023). https://doi.org/10.1038/s41467-023-39012-4
> https://www.nature.com/articles/s41467-023-39012-4
> 
> Yours,
> 
> Paul H.
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