showed that sparassodonts died out long before eutherian carnivores arrived in South America (aside from procyonids, which sparassodonts probably did...

taxon, Sparassodonta. Like most metatherians, borhyaenids and other sparassodonts are thought to have had a pouch to carry their offspring around. Borhyaenids...

paucituberculatans and sparassodonts. Large opossums like Didelphis show a pattern of gradually increasing in size over geologic time as sparassodont diversity declined...

mammals initially consisted primarily of metatherians (marsupials and sparassodonts), xenarthrans, and a diverse group of native ungulates known as the...

was not a felid, like the well-known North American Smilodon, but a sparassodont, a group closely related to marsupials, and only superficially resembled...

carnivores in the northern continents and Africa. In South America, sparassodonts were dominant, while Australia saw the presence of several marsupial...

proborhyaenid sparassodont that lived during the Oligocene of what is now South America. It is considered to be the largest of the sparassodonts. Proborhyaena...

teeth, a feature which also convergently evolved in the saber-toothed sparassodont Thylacosmilus. The ancestors of nimravids and cats diverged from a common...

niches for mammalian carnivores were dominated by these marsupial and sparassodont metatherians, which seem to have competitively excluded South American...

Cretaceous–recent PreꞒ Ꞓ O S D C P T J K Pg N Lycopsis longirostris, an extinct sparassodont, a relative of the marsupials A mouse opossum (Marmosa) Scientific classification...

phorusrhacids may have presented intense competition to predatory metatherian sparassodonts such as borhyaenids and thylacosmilids, causing the mammalian predators...

Thylacosmilinae, within Borhyaenidae, a group of superficially canid-like sparassodonts, under the assumption that Thylacosmilus was merely a late and specialized...

Paraborhyaena is an extinct genus of Sparassodont, belonging to the family Proborhyaenidae. It was one of the large terrestrial predators that roamed South...

sectorius A borhyaenid sparassodont Acyon A. tricuspidatus A hathliacynid sparassodont Arctodictis A. munizi A borhyaenid sparassodont Borhyaena B. tuberata...

largest of native South American mammal predators, the sabertoothed sparassodont Thylacosmilus. The largest phorusrhacid birds may also have been able...

hyaenodonts and even in two groups of metatherians (the thylacosmilid sparassodonts and the deltatheroideans). Μαχαιροῦς, from Ancient Greek: μάχαιρα, lit...

phorusrhacids shared the dominant predatory niches with metatherian sparassodonts during most of the Cenozoic but declined and ultimately went extinct...

occupied by the native typical South American groups such as metatherian sparassodonts and phorusracids that had largely gone extinct shortly prior to their...

Hondadelphys is an extinct genus of carnivorous sparassodonts, known from the Middle Miocene of Colombia. The type species, H. fieldsi, was described...

Pharsophorus is an extinct genus of borhyaenoid sparassodont that inhabited South America during the Middle to Late Oligocene epoch. Originally, Pharsophorus...

reduced osseous element. This was once considered a synapomorphy with sparassodonts, though it is now thought that both groups reduced their epipubics independently...

Eomakhaira is an extinct genus of thylacosmilid sparassodont known from the Oligocene Abanico Formation of Chile. It contains a single species, Eomakhaira...

Tiupampa, Bolivia in the early Paleocene. It shared its habitat with fellow sparassodont Pucadelphys, and a microbiotherid marsupial, Khasia. de Muizon, Christian...

"Fragmentary skull." A multituberculate. "Gurlin Tsav skull" Indeterminate Middle or Partial skull A mysterious metatherian, possibly a sparassodont....

mammalian and avian evolution, with the dominance of phorusrhacids and sparassodonts as predators in contrast to the North American placental carnivores...

running away from predators, such as large phorusrhacid terror birds, sparassodont metatherians, giant short-faced bears (Arctotherium) and saber-toothed...

Callistoe is an extinct genus of sparassodont. It lived during the Early Eocene, and its fossilized remains were found in South America. Unlike most of...

paleoneurology of hathliacynids and insights into the Early Miocene sparassodonts of Patagonia, Argentina". Swiss Journal of Palaeontology. 143 (1). 20...

Croft, Darin A. (17 July 2020). Eomakhaira molossus, a new saber-toothed sparassodont (Metatheria: Thylacosmilinae) from the early Oligocene (?Tinguirirican)...

like the sabre-toothed cats, and nimravids ("false" sabre-tooths), the sparassodont family Thylacosmilidae ("marsupial" sabre-tooths), the gorgonopsids and...