Figure 2

Photographs showing palatal ridges. (A) E. crypturus having two post-dental palatal ridges and (B) E. wahlbergi having one post-dental palatal ridge behind the last molar in the tooth row indicated by arrows.
Photographs showing palatal ridges. (A) E. crypturus having two post-dental palatal ridges and (B) E. wahlbergi having one post-dental palatal ridge behind the last molar in the tooth row indicated by arrows.