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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).
http://dinosaurs.about.com/od/dinosaurbasics/a/dinosaurages_4.htm
Raptors - The Bird-Like Dinosaurs of the Cretaceous Period
Raptors came into their own during the late Cretaceous period (about 90 to 65 million years ago), but they roamed the earth for tens of millions of years before ...
http://dinosaurs.about.com/od/typesofdinosaurs/a/raptors.htm
Mosasaurs - The Marine Reptiles of the Late Cretaceous Period
These sleek, reptilian predators may have been responsible for the extinction of the ichthyosaurs by the end of the Cretaceous period (not necessarily by eating ...
http://dinosaurs.about.com/od/typesofdinosaurs/a/mosasaurs.htm
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 ...
http://animals.about.com/od/c/g/cretaceousperiod.htm
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 ...
http://dinosaurs.about.com/od/otherprehistoriclife/a/earlymammals.htm
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 ...
http://dinosaurs.about.com/od/otherprehistoriclife/a/prehistoric-sharks.htm
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  ...
http://dinosaurs.about.com/od/typesofdinosaurs/a/titanosaurs.htm
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 ...
http://dinosaurs.about.com/od/otherprehistoriclife/a/Prehistoric-Snakes-The-Story-Of-Snake-Evolution.htm
Plesiosaurs and Pliosaurs - The "Sea Serpents"
During the Jurassic and Cretaceous periods, the earth's oceans, lakes and rivers were filled by large, agile reptiles, the plesiosaurs and pliosaurs, that looked ...
http://dinosaurs.about.com/od/typesofdinosaurs/a/plesiosaurs.htm
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 ...
http://dinosaurs.about.com/od/typesofdinosaurs/a/crocodilians.htm
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