In this paper we review the evidence for the Younger Dryas impact hypothesis (YDIH), which
proposes that at∼ 12.9 k cal a BP North America, South America, Europe and the Middle …

Se presenta una revisión de la información disponible sobre historia glacial, cambios en los
niveles lacustres y datos sobre paleovegetación del Pleistoceno tardío de varios volcanes y …

The definitive guide to all lagomorphs—pikas, rabbits, and hares. Numbering 92 species
worldwide, members of the order Lagomorpha are familiar to people throughout the world …

El endemismo es un concepto comúnmente usado para identificar a taxones nativos o
grupos biológicos con área de distribución restringida. Sin embargo, el endemismo tiene …

Megafaunas worldwide have been decimated during the late Quaternary. Many extirpated
species were keystone species, and their loss likely has had large effects on ecosystems …

Pronounced lacustrine sedimentation developed in west-central México during the late
Miocene, between approximately 11 and 7 Ma. This was in response to tectonic extension …

Historical DNA obtained from voucher specimens housed in natural history museums
worldwide have allowed the study of elusive, rare or even extinct species that in many cases …

Abstract Over the last 50,000 years, a majority of megafauna went extinct globally. Only two
regions, Africa, and tropical Asia retain megafaunal communities today. Their persistence in …

The Machairodontinae fossil record in South America is not very diverse. Until now, only the
genus Smilodon (Smilodontini) has been reported, with likely a single species, S. populator …

Species diversity is largely underestimated by current taxonomy, precluding a precise
understanding of evolutionary processes. Genetic data have increased our understanding of …