Sparassodonta (from Greek σπαράσσειν [sparassein], to tear, rend; and ὀδούς, gen. ὀδόντος [odous, odontos], tooth) is an extinct order of carnivorous...

predatory mammals in the order Sparassodonta. Borhyaenids are not true marsupials, but members of a sister taxon, Sparassodonta. Like most metatherians, borhyaenids...

two extinct lineages of metatherian mammals, the thylacosmilids of Sparassodonta, and deltatheroideans, which are more closely related to marsupials...

Machairodontinae. The cladogram below shows the position of Thylacosmilus within Sparassodonta, according to Suarez and colleagues, 2015. Body mass for sparassodonts...

including both the ancestors of extant marsupials as well as the extinct Sparassodonta, which were major predators in South American ecosystems during most...

Great American Biotic Interchange, these animals belonged to the order Sparassodonta, which occupied the ecological niche of many eutherian mammals of the...

habits. Stagodontids were once thought to be closely related to the Sparassodonta, but later studies suggest they belong to a more ancient branch of the...

extinct clade Metatheria and all members of the extinct superorder Sparassodonta. The order contains four families: one with just a single living species...

Proborhyaenidae is an extinct family of metatherian mammals of the order Sparassodonta, which lived in South America from the Eocene (Mustersan) until the...

Pucadelphyidae Sparassodonta...