A primary roadblock to our understanding of speciation is that it usually occurs over a
timeframe that is too long to study from start to finish. The idea of a speciation continuum …

The genus Morchella has gone through turbulent taxonomic treatments. Although significant
progress in Morchella systematics has been achieved in the past decade, several problems …

Aim Globally, arthropod biodiversity is under threat, with increased risk of species‐level
extinctions, and this threat is particularly acute on oceanic islands. A fundamental first step …

In the conventional view, species are separate gene pools delineated by reproductive
isolation (RI). In an alternative view, species may also be delineated by a small set of …

Pteropods, a group of holoplanktonic gastropods, are regarded as bioindicators of the
effects of ocean acidification on open ocean ecosystems, because their thin aragonitic shells …

The archipelagos of Wallacea extend between the Sunda and Sahul Shelves, serving as a
semipermeable two-way filter influencing faunal exchange between Asia and Australo …

In this issue of NSR, four papers address various aspects of speciation. The fifth one, to
appear in the next issue, is on biodiversity and should ultimately be about speciation as well …

Much attention is paid in conservation planning to the concept of a species, to ensure
comparability across studies and regions when classifying taxa against criteria of …

Speciation is the process leading to the emergence of new species. While being usually
progressive, it can sometimes be fast with rapid emergence of reproductive barriers leading …

Three orders represent the South American fauna of marsupials. Of these, Microbiotheria
was until recently known as a monotypic genus with the only surviving species Dromiciops …