Tiktaalik is a monospecific genus of extinct sarcopterygian from the Late Devonian Period, about 375 Mya, having many features akin to those of tetrapods. Tiktaalik is estimated to have had a total length of 1.25–2.75 metres based on various specimens.
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David Attenborough's Rise of Animals: Triumph of the Vertebrates (2013)



