It revolved around whether Ecuador's territory extended beyond the Andes mountain range to the Marañon (Amazon) river, including the Amazonian basin.

Antezumia is a monospecific neotropical genus of potter wasps restricted to the Amazonian basin.

As far as tobacco was concerned, there was none of that coarse kind which usually contents the natives of the Amazonian basin.

Turtles, or turtle eggs, are an object of very considerable trade throughout the Amazonian basin.

Using Google Earth, three scientists may have found the lost city in the upper Amazonian basin, near the Brazilian-Bolivian border.

Whether a refugia or a barrier model describes superspecies distribution in the Amazonian basin most appropriately thus seems to be a direct consequence of the animals' ability to cross major waterways.

It simulates the Amazonian basin during its seasonal floods.

Andinobates inhabits the northern Andes of Colombia, the Chocó department, and lower Central America, whereas Ranitomeya is only found in the Amazonian basin.

The Guianas are one of the last real strongholds for the species, which also enjoys modest numbers - and significant protection - in the Peruvian Amazonian basin.

His principal achievement was the pacification of Chachapoyas in northeastern Peru, in the years 1535 and 1536, this being the first step taken from Peru towards the Amazonian basin.