It turns out, this fossil 'plant' is really a fossil baby turtle

Researchers re-examined a plant fossil found decades ago in Colombia and realized that it wasn't a plant at all: it's a fossilized baby turtle. It's a rare find, because juvenile turtles' shells are soft and often don't fossilize well.

https://www.sciencedaily.com/releases/2023/12/231207160838.htm