A fossilized piece of the sea floor is a glimpse into an ecosystem long-gone, if only you know how to look at it. Read on to learn about the long-dead bryozoans, crinoids, brachiopods, gastropods, and even trilobites in this rock.
Top image: Fossilized section of sea floor. Credit: ottermann
https://whitenoise.kinja.com/otters-oddities-1693954468