|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Sparassodonta
It was assigned to Borhyaeninae by Marshall (1977) and Marshall (1978); to Prothylacyninae by Marshall (1979); to Prothylacyninae by Goin (1997); to Borhyaenidae by Stirton (1953) and McKenna and Bell (1997); and to Borhyaenoidea by de Muizon (1999).
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|L. G. Marshall 1977||Revised diagnosis.-Medium to large size;
I?? C1, P3a M44; protocone large on Ml-3,
slightly smaller on M4; paracone becomes
smaller from MI to M3; metacone becomes relatively
(and absolutely) larger than paracone
from M1 to M3; upper molars lack stylar shelf;
ectocingulum is present labial to paracone;
parastyle large; ligamentous mandibular symphysis,
unfused in adult; metaconid absent;
protoconid trenchant and about twice as high
as paraconid; talonid basin large on M1-3, very
small on M4; P', has slight oblique implantation
labially at anterior end; P22 and P33 are
aligned anteroposteriorly; P3 is large but not
prominent; canine is only moderately developed.