Oldest Fossilized Skin Discovered, Clocks in at 300 Million Years Old
Isaac Schultz, GIZMODO, January 11, 2024
[gizmodo.com]

The (open access ?) paper is:

Paleozoic cave system preserves oldest-known evidence of amniote skin
by Ethan D. Mooney, Tea Maho, R. Paul Philp, Joseph J. Bevitt, and
Robert R. Reisz in Current Biology. DOI:[doi.org]
[www.cell.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)