เชิงอรรถและอ้างอิง ของ ขากรรไกร

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  2. Britt, Robert Roy (2006-11-28). "Prehistoric Fish Had Most Powerful Jaws". Live Science.
  3. Allin, EF (1975-12). "Evolution of the mammalian middle ear". J. Morphol. 147 (4): 403–37. doi:10.1002/jmor.1051470404. PMID 1202224. Check date values in: |date= (help)
  4. Wright, Edward F. (2010). Manual of temporomandibular disorders (2nd ed.). Ames, Iowa: Wiley-Blackwell. ISBN 978-0-8138-1324-0.