#MolluscMonday Sectioned specimen of the ammonite Parkinsonia parkinsoni on display in the Enlightenment gallery at the British Museum. This Jurassic fossil was named for the great James Parkinson (1755–1824).

Hello Paul! I'm learning how this platform works.

Congratulations, Paul! I look forward to reading it. (This is Mark, by the way, with my first comment on Bluesky.)