289‑Million‑Year‑Old Reptilian Mummy Sheds Light on How Amniotes Learned to Breathe
Mummified remains of a 289-million-year-old reptile may contain the oldest example of a breathing system in amniotes. According to new findings published in Nature, the mummy, a reptile known as Captorhinus aguti, is only a few inches long, but preserves bone, calcified cartilage, skin, and proteins that predate previously known soft-tissue evidence of amniote breathing…
