The crista interfenestralis is an anatomical feature, found in some reptiles, that divides the inner ear between the occipital recess and the vestibular fenestra.
References
Crista interfenestralis Wikipedia(Text) CC BY-SA
The crista interfenestralis is an anatomical feature, found in some reptiles, that divides the inner ear between the occipital recess and the vestibular fenestra.