Mammal species diversified more rapidly early in their history – peaking roughly 66 million years ago – before a long-term decline in diversification punctuated by diminishing bursts of evolutionary ...

Physical And Temporal Setting: 1. Tectonics and Geomorphology of Africa during the Phanerozoic / Timothy C. Partridge -- 2. Chronology of Paleogene Mammal Localities / Erik R. Seiffert -- 3.

New research has examined the fossil record going back 66 million years and tracked changes to mammalian ecosystems and species diversity on the North American continent. When trying to understand the ...

Yushe Basin, Shanxi Province / Zhan-Xiang Qiu, Lawrence J. Flynn -- History of Scientific Exploration of Yushe Basin / Zhan-Xiang Qiu, Richard H. Tedford -- Cenozoic Geology of the Yushe Basin / ...

Only 7% of LAist readers currently donate to fund our journalism. Help raise that number, so our nonprofit newsroom stays strong in the face of federal cuts. Donate now. Sixty-six million years ago, ...

Although they came into their own only after the extinction of the dinosaurs some 65 million years ago, mammals had maintained a low-profile existence for some 150 million years before that. New ...

Fossils of kelp along the Pacific Coast are rare. Until now, the oldest fossil dated from 14 million years ago, leading to the view that today's denizens of the kelp forest -- marine mammals, urchins, ...

A $100,000 grant from the David B. Jones Foundation will help to develop a new generation of paleontologists at the University of Kansas, enabling students to pursue fieldwork in locations such as ...

At the end of the Triassic period, small-sized dinosaurs roamed Earth alongside other groups of archosaurs—that is, until a widespread extinction event cleared the way for dinos to put on some serious ...

The Syndyoceras existed for 4.2 million years during the Cenozoic era on the North American continent. This skeletal display can be found in the University of Nebraska State Museum–Morill Hall in ...

After the dinosaurs disappeared, the world saw an explosion of birds and mammals. But a study suggests a burst of new snakes appeared, too, with diets to match the newly expanding array of animals.