Synchrotron scans of Lizzie, a famous Scottish fossil, reveal a bony gill skeleton and a mouth lined with tiny tooth-like denticles, and a new analysis places it on a branch that split off before the amphibian and amniote lineages divided
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In the Survival gallery of the National Museum of Scotland in Edinburgh lies a skeleton less than 20 centimetres long, preserved across the two halves of a split slab of limestone. It was nicknamed Lizzie because it looked so much like a lizard, and for more than 30 years it has been cited as one of the oldest reptiles ever found, or at least one of the oldest close relatives of reptiles and other amniotes.
A study published in Nature on 30 September 2026, led by Ben Igielman and Xavier Jenkins,
A study published in Nature on 30 September 2026, led by Ben Igielman and Xavier Jenkins,
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