Beaked Whale Identification Guide
Tooth position
A single pair of teeth is positioned immediately ahead of the apex of the arch on the mouthline and are inclined anteriorly.

Tooth exposure
In adult males, nearly all the tooth that erupts from the lower jaw is exposed above the gumline. Teeth do not erupt above the gumline in females or juveniles.

Tooth shape
The anterior edge of the tooth is longer than the posterior.
Mesoplodon stejnegeri - Left lateral tooth
Adult male - USNM 143132
NMNH | Vertebrate Zoology | Marine Mammal Program | Disclaimer | Privacy Statement | Contact Us | Copyright ©2007 Smithsonian Institution