Beaked Whale Identification Guide

Dorsal View of Mandible

Alveoli are tooth sockets in the mandible. The mandibular symphysis is the growing together of the halves of the lower jawbone. These bones are separate in younger individuals, but fuse as the animals mature.
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Tooth alveolus is positioned at the apex of the mandible.
Tooth alveolus is positioned between the apex of the mandible and the posterior edge of the symphysis.

 
Tooth alveolus overlaps the posterior edge of the symphysis.
 
Tooth alveolus is positioned posterior to the posterior edge of the symphysis.

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