Data from: Comparative analysis of the shape and size of the middle ear cavity of turtles reveals no correlation with habitat ecology

Christian Foth, Serjoscha W. Evers, Walter G. Joyce, Virginie S. Volpato & Roger B. J. Benson
The middle ear of turtles differs from other reptiles in being separated into two distinct compartments. Several ideas have been proposed as to why the middle ear is compartmentalized in turtles, most suggesting a relationship with underwater hearing. Extant turtle species span fully marine to strictly terrestrial habitats, and ecomorphological hypotheses of turtle hearing predict that this should correlate with variation in the structure of the middle ear due to differences in the fluid properties...
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