any member of the gastropod order Pteropoda, shelled marine mollusks so called for their ability to swim using winglike extensions of the foot.
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How to use sea butterfly in a sentence
You can go to the Southern Ocean today and pick up a little shelled sea butterfly in your hand and you can see that the shell is dissolving—there’s actually etching on the aragonite that forms the shell.The Greening of Antarctica - Issue 90: Something Green | Marissa Grunes | October 7, 2020 | Nautilus
British Dictionary definitions for sea butterfly
another name for pteropod
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012