There is no skull present in the material associated with the genus, making further classification rather difficult.
The material it is based on is too meager for further classification (although Carpenter et al..
Some efforts have been made at further classification: Schram split currently known taxa into two orders:
This class is often simply called 'Ātmanepada' or middle voice, without further classifications to distinguish deponents from the true middle voice forms.
There is a further classification of self-averaging systems as strong and weak.
It refers to a further classification within the gotra and gives information about the lineage or place of origin of a Brahmin family.
There are two further classifications, restricted coastal activity and recognised customary activity, which are subject to particular conditions.
For a further classification we need to look closer at each kata and their creator.
This covers a broad range of transformations and so further classifications have been developed [Cohen 1979].
I very much hope that we can achieve this further classification.