PhysOrg Posted November 19, 2019 Share Posted November 19, 2019 The predentary bone is one of the most enigmatic skeletal elements in avian evolution. Located at the tip of the lower jaw, this bone is absent in more primitive birds and in living birds; it is thought to have been lost during evolution. For over 30 years, the origin and function of the avian predentary has remained mysterious. View the full article Quote Link to comment Share on other sites More sharing options...
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