The carnassials in a hyaenodontid are the second upper and third lower molars.
In S. alpinus, the lower molars have two and occasionally three roots.
The species uniquely has six rather than seven lower molars.
The anterior root of lower molars were more robust and bigger.
The corresponding structure in the lower molars, the mesolophid, is completely absent.
It became apparent that the majority of impacted lower third molars would cause little or no problems during the individual's lifetime.
The lower molars are shorter and broader than those of Sivaladapis.
The lower molars have a trigonid which is higher than the talonid.
This species had lower molars that are bilophodont with low cusps.
Each of the lower molars has two roots.