Data from: Better than fish on land? Hearing across metamorphosis in salamanders

Christian Bech Christensen, Henrik Lauridsen, Jakob Christensen-Dalsgaard, Michael Pedersen & Peter Teglberg Madsen
Early tetrapods faced an auditory challenge from the impedance mismatch between air and tissue in the transition from aquatic to terrestrial lifestyles during the Early Carboniferous (350 Ma). Consequently, tetrapods may have been deaf to airborne sounds for up to 100 Myr until tympanic middle ears evolved during the Triassic. The middle ear morphology of recent urodeles is similar to that of early ‘lepospondyl’ microsaur tetrapods, and experimental studies on their hearing capabilities are therefore...
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