The evolution and subsequent ecological expansion of grasses (Poaceae) since the Late
Cretaceous have resulted in the establishment of one of Earth's dominant biomes, the …

About 3 million years ago (Ma), the I sthmus of P anama joined the A mericas, forming a land
bridge over which inhabitants of each A merica invaded the other—the G reat A merican B …

Phytoliths, microscopic plant silica bodies, are often preserved in modern and fossil soils
and sediment, as well as in archaeological contexts. They record unique characteristics of …

Rice and its relatives are a focal point in agricultural and evolutionary science, but a paucity
of fossils has obscured their deep-time history. Previously described cuticles with silica …

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 …

The oldest Cenozoic mammalian assemblages in South America have been recovered from
levels of the Hansen Member of the Salamanca Formation, Punta Peligro locality in …

Abstract Aim To evaluate the Gunnerus Ridge land‐bridge hypothesis, which postulates a
Late Cretaceous causeway between eastern Antarctica and southern Madagascar allowing …

Dryolestoids are an extinct mammalian group belonging to the lineage leading to modern
marsupials and placentals,. Dryolestoids are known by teeth and jaws from the Jurassic …

The sedimentary sequences associated with the Deccan Flood Basalts, ie, infratrappean
and intertrappean deposits, are known to yield a diverse assemblage of fauna that includes …

We use newly compiled data on global occurrences of Cretaceous lepidosaurs, mammals
and crocodylomorphs, and existing data on dinosaurs, to investigate faunal turnover and …