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Convergent evolution of a mobile bony tongue in flighted dinosaurs and pterosaurs

Fig 9

Episterno-hyoid and M. coracohyoideus muscle in Alligator mississippiensis and proposed homologous muscles in Aythya americana.

(A)(B)Alligator mississippiensis (TMM M-12053), (C)(D)the homologous M. sternotrachealis in Aythya americana (TMM M-12682). Abbreviations: ephc, episterno-hyoid complex; epis or inter, episternum or the interclavicle; fur-furcula; mclh, M. cleidohyoideus (in Aythya); mcoh, M. coracohyoideus (in Alligator); tra, trachea.

Fig 9