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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
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 ...
http://dinosaurs.about.com/od/typesofdinosaurs/a/raptors.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
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
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
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
A Complete, A to Z List of Marine Reptiles - Dinosaurs - About.com
An early marine reptile of the middle Triassic period. Share. brachauchenius -. Brachauchenius · One of the last pliosaurs of the late Cretaceous period. Share.
http://dinosaurs.about.com/od/aquaticdinosaurs/
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
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
Carnivorous Dinosaurs A to Z - About.com
The most dangerous dinosaurs of the Triassic, Jurassic and Cretaceous periods.
http://dinosaurs.about.com/od/carnivorousdinosaurs/
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