Turtles are among the smallest of vertebrate groups in terms of modern diversity, but they
are also among the most endangered. More than half, 51% to 56% of taxa are considered …

Living turtles are characterized by extraordinarily low species diversity given their age. The
clade's extensive fossil record indicates that climate and biogeography may have played …

The turtles are an evolutionary ancient group of tetrapod vertebrates, and their present-day
distribution and diversity reflects the long and complex history of the taxon. Today, about 250 …

Molecular analyses of turtle relationships have overturned prevailing morphological
hypotheses and prompted the development of a new taxonomy. Here we provide the first …

Understanding the evolutionary history of diversifying lineages and the delineation of
evolutionarily significant units and species remains major challenges for evolutionary …

We present a rank-free phylogenetic nomenclature for 25 well-established ancient clades of
living turtles. This is the first attempt to document fully the nomenclatural history of a clade …

True frogs of the genus Rana are widely used as model organisms in studies of
development, genetics, physiology, ecology, behavior, and evolution. Comparative studies …

Somos una fundación empresarial patrocinada únicamente por Empresas Polar, dedicada a
programas de utilidad colectiva e interés general con el fin de instalar capacidades en la …

Despite their complex evolutionary history and the rich fossil record, the higher level
phylogeny and historical biogeography of living turtles have not been investigated in a …

We examined data comprising 1,028 successful and 967 failed introduction records for 596
species of alien reptiles and amphibians around the world to test for factors influencing …