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Prehistoric water-dwelling weirdo with sideways teeth and a twisted jaw was already a 'living fossil' 275 million years ago - Live Science
Overview
Scientists described Tanyka amnicola, a newly identified aquatic species from about 275 million years ago with a twisted jaw and sideways-facing teeth, showing highly specialized feeding anatomy. The new giant octopus fossil — possibly 19 metres long and dating to about 100 million years ago — reinforces the pattern that marine animals repeatedly evolved extreme and unusual mouthparts and feeding strategies. Exceptional preservation in both cases lets researchers study how strange anatomical innovations helped these species occupy unique ecological roles.
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