Uploaded February 2024 | Updated September 2026, 2 weeks ago

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A bizarre kind of prehistoric armoured fish called Alienacanthus has been described with a super long lower jaw!
Watch the full video here: youtu.be/3zzwVHSBKdU

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Placoderm ‘alien’ fish with extreme lower jaw elongation Alienacanthus:
royalsocietypublishing.org/doi/10.1098/rsos.231747