Ancient Reptile Cloaca Found in 290-Million-Year-Old Fossil
TL;DR
A 290-million-year-old German fossil named Cabarzichnus pulchrus preserves the earliest-known reptile cloaca and skin with keratin scales, offering new clues about early reptile anatomy and evolution.
- Paleontologists Uncover Fossil of Ancient Reptile Butthole from 290 Million Years Ago Indian Defence Review
- Oldest Fossilized Butthole Found in 290-Million-Year-Old Reptile ScienceAlert
- The Oldest Known Reptile Skin Comes Complete With An NSFW Detail IFLScience
- ‘Extremely rare’ fossilized anus could reveal reptile evolution breakthrough New York Post
- 300-Million-Year-Old Reptile Skin Impressions Discovered in Germany, the Oldest in History and with Exceptional Anatomical Detail La Brújula Verde
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