Somehow while knowing that a) ‘sea snail’ was a concept, and b) beaches were strewn with sea shells, which involve various snail-reminiscent spirals, I failed to reach the stunning conclusion that the oceans are substantially inhabited by these kinds of characters:
But it’s true. And it seems that not only are the spiral-looking shells from snails, but various flat and non-spiral ones are too.
Image: Malcolm Storey, BioImages - the Virtual Fieldguide (UK) through the Encyclopedia of Life and the creative commons CC BY-NC-SA license.
NOAA (Photo Collection of Dr. James P. McVey, NOAA Sea Grant Program), Public domain, via Wikimedia Commons
This is a meaningful update because snails are a particular kind of thing I’m familiar with, and furthermore I like them.