Xenarthra are an endemic and relictual clade of Placentalia that played an important role in
the biodiversity during the Cenozoic in today South America. Fossil forms representing close …

In the present paper, we describe the craniodental remains of three individuals of an
amphicyonid previously determined as Thaumastocyon sp. from the late Miocene (c. 9.1 Ma) …

A nearly complete but badly crushed skull and mandible of Lagonimico conclucatus, gen. et
sp. nov. is described from the La Victoria Formation, Colombia. The specimen is of middle …

New materials of the order Litopterna from the late Pleistocene (Lujanian) of Rio Grande do
Sul State are presented here. The specimens are an astragalus and calcaneum, assigned to …

Multituberculates were amongst the most abundant and taxonomically diverse mammals of
the late Mesozoic and the Palaeocene, reaching their zenith in diversity and body size in the …

The subfamily Leporinae probably had its origin from the Archaeolaginae in the North
American Clarendonian (late Miocene) and include the following genera and species from …

The terrestrial lizard fossil record of Gondwana is very scarce. Few lizards, from mostly
fragmentary fossils, have been identified in Madagascar, Tanzania, Morocco, South Africa …

The species of the genus Apocricetus are considered to form the phyletic lineage A. aff. plinii
(MN11)–A. plinii–A. alberti–A. barrierei–A. angustidens (MN16). Along this lineage, gradual …

A previously unidentified middle Miocene primate from the La Venta deposits of Colombia is
intermediate between squirrel monkeys (Saimiri) and callitrichines (marmosets and …

A new genus and species of Proterotheriidae Megadolodinae, Bounodus enigmaticus, from
the Upper Miocene Urumaco Formation of Venezuela, is described on the basis of a poorly …