Articles related to cretaceous period
Prehistoric Life During the Cretaceous Period - Dinosaurs - About.com
A guide to the animals, plants, climate and geology of the Cretaceous period ( 144-65 million years ago).
Raptors - The Bird-Like Dinosaurs of the Cretaceous Period
Among the most feared dinosaurs of the Mesozoic Era, raptors were closely related to modern birds. Here's a look at how paleontologists classify raptors, as well ...
The First Mammals (Triassic, Jurassic, and Cretaceous) - Dinosaurs
The Early Mammals of the Triassic, Jurassic and Cretaceous Periods ... By the time they went extinct in the mid-Jurassic period, some therapsids had evolved ...
Cretaceous Period - Definition of the Cretaceous Period
The Cretaceous Period (144 - 65 Myr BP) is the third of three periods during the Mesozoic Era. It is preceded by the Jurassic Period and followed by the Tertiary ...
Mosasaurs - The Marine Reptiles of the Late Cretaceous Period
The marine reptiles known as mosasaurs were sleek, vicious, and fast, which made them the terrors of the late Cretaceous seas. Here's everything you need to ...
Prehistoric Sharks and Shark Evolution - Dinosaurs - About.com
Prehistoric sharks really came into their own during the middle Cretaceous period, about 100 million years ago. Both Cretoxyrhina (about 25 feet long) and ...
Titanosaurs - The Last of the Sauropods
By the end of the Cretaceous period, the only sauropods left standing were the titanosaurs--mysterious, armored plant-eaters whose partial skeletons have been ...
Snake Evolution - The Story of Prehistoric Snakes - Dinosaurs
Today. the prevailing view is that snakes evolved from an as-yet-unidentified land -dwelling (and probably burrowing) lizard of the early Cretaceous period, most ...
Turtle Evolution - The Story of Prehistoric Turtles
Until recently, fossil evidence linking the land-dwelling Eunotosaurus and the giant, marine turtles of the late Cretaceous period was sorely lacking. That all ...
Prehistoric Crocodiles and Crocodile Evolution
Of all the reptiles alive today, crocodiles and alligators may be the least changed from their prehistoric ancestors of the late Cretaceous period, over 65 million ...