Bifungites Fossils Are Found All Over but What Made Them Was a MysteryScientists in Brazil identified marine worms that made at least some trace fossil burrows called Bifungites.
Source: Bifungites Fossils Are Found All Over but What Made Them Was a Mystery (https://www.nytimes.com/2024/08/22/science/fossils-worms-bifungites-brazil.html)