The outstanding biodiversity of the Guiana Shield has raised many questions about its
origins and evolution. Frogs of the genera Adelastes, Otophryne and Synapturanus form an …

The effects of genetic introgression on species boundaries and how they affect species'
integrity and persistence over evolutionary time have received increased attention. The …

Recently published time-calibrated molecular phylogenies have brought to light a large-
scale biotic interchange between the Western and Eastern Amazon basins, associated with …

Taxa with broad geographic ranges that occur in different biomes and exhibit plastic
morphological traits and/or adaptations to particular habitats make inferences about species …

Determining the relative importance of dispersal and vicariance events across neotropical
regions is a major goal in biogeography. These events are thought to be related to important …

The genus Pipa is a species-poor clade of Neotropical frogs and one of the most bizarre-
looking due to many highly derived anatomical traits related to their fully aquatic lifestyle …

Croton is one of the largest angiosperm genera, with> 1200 species in the tropics
worldwide. The arborescent Croton section Cleodora stands out for its disjunct geographical …

Dendropsophus molitor is a hylid frog endemic to the Eastern Cordillera of the Colombian
Andes, where it exhibits extensive geographic variation in size and colour pattern. Previous …

The Neotropical realm is vastly known for its richness, being the Amazon one of the main
cradles of taxonomic diversity in the region. In the last decades, molecular analyses have …

The Amazon catchment is the largest river basin on earth, and up to 30% of its waters flow
across floodplains. In its open waters, floating plants known as floating meadows abound …