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 ...
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 ...
It’s a small, weathered tooth—nothing flashy at first glance. But the scientists who found it buried in Brazil’s Tremembé ...
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.
1 Small Mammal Exploration in Yushe Basin, Shanxi Province Lawrence J. Flynn and Wen-Yu Wu -- 2 The Lipotyphla of Yushe Basin Lawrence J. Flynn and Wen-Yu Wu -- 3 The Bats of Yushe Basin Lawrence J.
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 alternating mountain ranges and desert basins of the Great Basin in the western United States support higher species diversity of mammals than any other region of comparable area in temperate ...
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 ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback