Meet ‘Baseodiscus the Eldest,’ a recordsetting ribbon worm more than 27 years old
Jan 19, 2026
Ribbon worms can grow to enormous lengths, and one named Baseodiscus the Eldest is showing how little we know about them—including how long they live
https://www.scientificamerican.com/article/meet-baseodiscus-the-eldest-a-record-setting-ribbon-worm-more-than-27-years/
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