A 66 million-year-old fossilized lung belonging to a previously unknown giant coelacanth fish was recently discovered in Morocco.
Source: https://www.livescience.com/massive-coelacanth-fossilized-lung-discovered.html
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A 66 million-year-old fossilized lung belonging to a previously unknown giant coelacanth fish was recently discovered in Morocco.
Source: https://www.livescience.com/massive-coelacanth-fossilized-lung-discovered.html