Thylacosmiline sparassodonts (previously recognized as thylacosmilids) are among the
most iconic groups of endemic South American Cenozoic mammals due to their distinctive …

The fossil metatherian assemblage from La Venta (Middle Miocene, Colombia) is one of the
most diverse in South America, and it is critical to understand the Neogene radiation of this …

A new genus and species, Patagosmilus goini, of the family Thylacosmilidae (Mammalia,
Metatheria, Sparassodonta) is described here. The new taxon is based on a single …

Despite being the dominant group of South American mammalian carnivores for much of the
Neogene, most post-early Miocene sparassodonts (Metatheria) are poorly known. Here, we …

The present paper describes a disarticulated skull of Allqokirus australis, a basal
sparassodont (Metatheria, Mammalia) from the early Palaeocene (c. 65 Ma.) of Tiupampa …

ABSTRACT A new species of Hathliacynidae (Sparassodonta, Metatheria), Acyon
myctoderos, from the middle Miocene of Quebrada Honda, Bolivia, is described. This new …

ABSTRACT The Sparassodonta (Mammalia, Metatheria) are a group of carnivorous
mammals that dominated the macropredatory guild of South America during the Cenozoic …

Sparassodont metatherians were the dominant terrestrial mammalian predators during
South America's long Cenozoic isolation. This group's early fossil record is very poor …

Sparassodonts were the main mammalian predators during most of the Cenozoic in South
America. The lower Eocene Itaboraí Basin/Formation includes the second oldest fossil …

We present a detailed description of the anatomy of the dentary and lower teeth of a new
specimen of Callistoe vincei, a large carnivorous metatherian from the Eocene (? Ypresian) …