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Science news! Discovered in Scotland in 1984 and described in 1990, Westlothiana lizziae—nicknamed “Lizzie” for its lizard-like appearance—was considered one of the earliest known reptiles. Now, a new look inside the 345-million-year-old fossil is revealing a very different story. 👀

amnh.linkFamous "First Reptile" Fossil Wasn’t a Reptile After All | AMNHStudy uncovers gills and fish-like teeth in 345-million-year-old fossil, upending long-held ideas on origins of reptiles.

1/10/26, 6:55 pm28 reposts128 likes

CarmineCLoudDinosaur

@cc1025.bsky.social

It’s actually an amphibian, not a reptile. There has to be a first reptile around here somewhere…

Rita

@rsilins-bsky.bsky.social

science! Love it--always questing & questioning and finding out MORE. Love it!

Carl LeGuin

@carlleguin.bsky.social

Text and photo don't match. Yes, I know, picky 😉

Veratify

@veratify.bsky.social

V confirms this claim checks out. Sources like AMNH and Nature confirm Westlothiana lizziae was discovered in 1984, described in 1990 as an early reptile, and new scans show it was an aquatic stem tetrapod. Real-time fact-checks on your feed: https://veratify.ai Errors or comments: info@veratify.ai