Neotropical ecosystems are renowned for numerous examples of adaptive radiation in both
plants and animals resulting in high levels of biodiversity and endemism. However, we still …

Abstract The Pirabas Formation (Neogene, eastern Brazilian Amazonia) is the only marine
Miocene unit in Brazil that crops out on the edge of the equatorial shelf. The formation has a …

In the Miocene, a large wetland system extended from the Andean foothills into western
Amazonia. This system has no modern analogue and the driving mechanisms are not yet …

We document the first occurrence of Sigmodontinae (Mammalia, Rodentia, Cricetidae) from
the Pliocene of northern South America, from the San Gregorio Formation of northwestern …

Currently, marsupials (modern members of the Metatheria clade) are widely distributed in
tropical and subtropical areas of South America, but poorly represented in the fossil record …

During the middle Miocene onshore basins and platforms along Eastern Amazonia coast
experienced a massive increase in siliciclastic input. Their deposition was in part …

The dynamic environments of western Amazonia during the Neogene (23 to 2.58 million
years ago [Ma]) included continental-scale wetlands that were episodically influenced by …

Living crocodylians are frequently regarded as morphologically and ecologically
conservative, contrasting with the group's rich fossil record, which reveals a much higher …

The rise of the Andes and the associated propagation of the retroarc foreland basin during
the Mesozoic Cenozoic in western South America shaped the paleogeography and …

The Miocene aquatic and terrestrial fossil record from western Amazonia constitute a clear
evidence of the palaeoenvironmental diversity that prevailed in the area, prior to the …