Integration of regional stratigraphic relationships with data on sediment accumulation,
provenance, paleodrainage, and deformation timing enables a reconstruction of Mesozoic …

We review geological evidence on the origin of the modern transcontinental Amazon River,
and the paleogeographic history of riverine connections among the principal sedimentary …

The Amazon submarine fan is a large sediment apron situated offshore Pará (Brazil) and
represents the most distal extent of the Amazon River. The age of onset of this …

We provide a synopsis of~ 60 million years of life history in Neotropical lowlands, based on
a comprehensive survey of the Cenozoic deposits along the Quebrada Cachiyacu near …

Aim We used frogs of the clade Allocentroleniae (Centrolenidae+ Allophrynidae; c. 170
species endemic to Neotropical rain forests) as a model system to address the historical …

This paper presents a first integrated survey on the occurrence and distribution of geogenic
contaminants in groundwater resources of Western Amazonia in Peru. An increasing …

Species composition in the present-day Amazonian heartland has an imprint of past marine
influence. The exact nature, timing and extent of this marine influence, however, are largely …

Several dolphin lineages have independently invaded freshwater systems. Among these,
the evolution of the South Asian river dolphin Platanista and its relatives (Platanistidae) …

Abstract The Amazon Basin harbors one of the richest biotas on Earth, such that a number of
diversification hypotheses have been formulated to explain patterns of Amazonian …

Surface uplift of the Garzón Massif in the northern Andes formed a critical orographic barrier
(2500–3000 m elevation) that generated a deep rain shadow and strongly influenced the …