Exploring Prehistoric Life
The hunt for the ancestors of living birds began with a specimen of Archaeopteryx, the first known bird, discovered in the early 1860s.
Quetzalcoatlus northropi is an azhdarchid pterosaur known from the Late Cretaceous of North America (Maastrichtian stage) and one of...
The word “tetrapod” means “four feet” and includes all species alive today that have four feet — but this group also includes many animals that don’t have four feet.
Dinosaurs were in decline for tens of millions of years before the Earth was struck by an asteroid, ending their dominion over the planet. What was killing off dinosaurs near the end of their reign?
Sometimes synapsids are called “mammal-like reptiles;” however, that is misleading because synapsids are not reptiles.
Sarcosuchus is a genus of crocodyliform and distant relative of living crocodylians that lived 112 million years ago.
It’s easy to forget that dinosaurs were real animals. They were born (or hatched), grew from juveniles into adults, wandered around the landscape, ate, slept, pooped, and had sex (just like most of us).
The Paleocene or Palaeocene, the “old recent”, is a geologic epoch that lasted from about 66 to 56 million years ago.
The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period 145 million years ago (...