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🤯 Did You Know (click to read)
The species’ fossil relatives date back at least 80 million years.
Because its morphology closely resembles ancient fossil relatives, the frilled shark is often described as a living fossil. Primitive traits such as six gill slits and its eel-like body reinforce this classification.
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💥 Impact (click to read)
The term living fossil does not imply stagnation but extraordinary stability across geological time. Few vertebrate predators retain such visibly ancestral features while remaining ecologically functional.
Its persistence reframes extinction narratives by showing that some evolutionary designs endure mass extinctions, continental drift, and climate shifts when buffered by deep-sea isolation.
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