what happened in the south american gran chaco? diversification of the endemic frog genus lepidobatrachus budgett, 1899 (anura: ceratophryidae). | the chaco is one the most neglected and least studied regions of the world. this highly-seasonal semiarid biome is an extensive continuous plain without any geographic barrier, and in spite of its high species diversity, the events and processes responsible have never been assessed. miocene marine introgressions and pleistocene glaciations have been mentioned as putative drivers of diversification for some groups of vertebrates in adjacent biomes of southern south america. here we used multilocu ... | 2018 | 29476908 |