Patagonia has yielded the most comprehensive fossil record of Cretaceous theropods from
Gondwana, consisting of 31 nominal species belonging to singleton taxa and six families …

The idea that South America was an island continent over most of the Cenozoic, during
which its unusual mammalian faunas evolved in isolation, is outstandingly influential in …

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 …

Turtles have served as a model system for molecular divergence dating studies using fossil
calibrations. However, because some parts of the fossil record of turtles are very well known …

Abstract Background Turtles (Testudinata) are a successful lineage of vertebrates with about
350 extant species that inhabit all major oceans and landmasses with tropical to temperate …

Pleurodires or side-necked turtles are today restricted to freshwater environments of South
America, Africa–Madagascar and Australia, but in the past they were distributed much more …

Peligrochelys walshae gen. et sp. nov. is a new stem turtle closely related to the clade
Meiolaniidae found in the Palaeocene levels of the Salamanca Formation (Maastrichtian …

Cropping out on the southeastern margin of the Somún Curá Plateau, the La Colonia
Formation (Campanian–Maastrichtian) has yielded, over the last several decades, a varied …

In this paper, we present an updated revision of fossil vertebrates from the Chubut Group,
Golfo San Jorge Basin, while also describing some new remains. Extensive exposures of …

Pan-Pleurodira is one of the two clades of extant turtles (ie Testudines). Its crown group,
Pleurodira, has a Gondwanan origin being known from the Barremian. Cretaceous turtle …