Globicephala
Here’s a shot of the upper incisors of a pilot whale.  We keep the skull laying on its cranium rather than all of the weight resting on the teeth, so it’s upside-down.  

Globicephala

Here’s a shot of the upper incisors of a pilot whale.  We keep the skull laying on its cranium rather than all of the weight resting on the teeth, so it’s upside-down.