'Giant' predator worms more than half a billion years old discovered in North Greenland
by University of Bristol, SciNews, January 2, 2023
[phys.org]

The open access paper is:

Tae-Yoon Park et al, A giant stem-group chaetognath,
Science Advances (2024). DOI: 10.1126/sciadv.adi6678.
[www.science.org]

Yours,

Paul H.

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