Landscape dynamics are widely thought to govern the tempo and mode of continental
radiations, yet the effects of river network rearrangements on dispersal and lineage …

One of the recurrent themes in historical biogeography relates to the units of analysis, their
definition and identification. Although areas of endemism are usually accepted as the …

The coastal basins of eastern Brazil are influenced by geomorphologic and climatic changes
that caused river captures and temporary paleo‐connections due to sea‐level oscillations …

Neotropical darters of the genus Characidium have a complex systematic history with
several examples of sympatry throughout their distribution range in Neotropical freshwaters …

Available data on cytotaxonomy of the genus Characidium Reinhardt, 1867, which contains
the greatest number of species in the Characidiinae (Crenuchidae), with 64 species widely …

Three distinct and independent molecular-based species delimitation analyses were
performed among the species and populations included within the Australoheros autrani …

Characidium represents the most widely distributed and species-rich fish genus within the
family Crenuchidae in the Neotropical region, with numerous species described over the last …

Landscape dynamics and river network rearrangements are widely thought to shape the
diversity of Neotropical freshwater fishes, the most species-rich continental vertebrate fauna …

The wax palm from Quindío (Ceroxylon quindiuense) is an icon of the cultural identity of the
coffee growing eco-region and of all Colombia. Processes of urbanization, expansion of the …

Chromosomes become an important substance for an organism because they contain
information useful for cell regulation and as a hereditary agent. The character of an …