He has got a primary and straight postprotocrista labially created. The fresh preprotocrista, relatively upright, touches a highly-install parastyle. This new metaconule try a little shorter which can be huge toward M3. New premetaconulecrista additionally the fossae are simple in place of neocrista. The posterior fossa are angled, especially to your M3. Off straight to your M1, the fresh postmetaconulecrista becomes sigmoidal to your M3, bypassing the brand new metacone. The new labial cusps come in the same axis with seemingly upright cristae. The paracone labial rib try salient, however, in the place of anterior groove. There’s no metacone labial rib. The newest para poder-, meso-, and you may metastyles try salient. The latest lingual cingulum is extremely weakened in order to missing including the entostyle.
The fresh new registered framework of one’s fourth all the way down premolar is common to have derived stalk pecoran and crown pecoran inside the that have a well-set-up mesolingual conid and you can rear cristid , .