# Bifungites

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***Bifungites*** is a dumbbell-shaped [trace fossil](/source/Trace_fossil) predominately found in [Paleozoic](/source/Paleozoic) rocks from the [Cambrian](/source/Cambrian) to the [Mississippian](/source/Mississippian_(geology)), believed to be the burrows of extinct animals. A paper published in September 2024 reports the discovery of worms of genus *[Annulitubus](/source/Annulitubus)* in *Bifungites* in rocks from the [Devonian](/source/Devonian) Pimenteira Formation of [Brazil](/source/Brazil), the first record of the creatures that created the burrows.[1][2]

## References

1. Sedorko, Daniel; Rindsberg, Andrew K.; Netto, Renata Guimarães; de Barros, Gabriel E. B.; McDowell, Ronald R.; Agostinho, Sônia; Fernandes, Antônio Carlos (2024-09-01). ["The trace fossil Bifungites and its tracemaker: A rare find!"](https://www.sciencedirect.com/science/article/pii/S2950475924000029#bib4). *Earth History and Biodiversity*. **1**. [doi:10.1016/j.hisbio.2024.100002](https://doi.org/10.1016/j.hisbio.2024.100002). [ISSN 2950-4759](https://www.worldcat.org/issn/2950-4759)

1. Runwal, Priyanka (2024-08-22). ["These 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). *The New York Times*. [ISSN 0362-4331](https://www.worldcat.org/issn/0362-4331). Retrieved 2024-08-23.

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Adapted from the Wikipedia article [Bifungites](https://en.wikipedia.org/wiki/Bifungites) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Bifungites?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.