Minutiae were small anatomical features such as notches, nodules or creases in the ear structure.

Cladistic analysis suggests that living insectivores are united by derived anatomical features.

It can be distinguished from co-occurring relatives by its longer dorsal fin lobe, as well as a host of other anatomical features.

Moreover, their anatomical features are poorly known given the fragmentary states of the fossil material.

The most distinctive anatomical features are the triangular bony crest on the face and the upturned nose.