Late Cretaceous Dinosaurs

A period of great transformation, the Late Cretaceous Period is when the dinosaurs disappeared from the earth. Learn more about the Late Cretaceous dinosaurs that existed during this era, such as the Tyrannosaurus, Gallimimus, and Brachylophosaurus.

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Spinosaurus Was a Lousy Swimmer, Study Says

The villainous dinosaur from 'Jurassic Park' probably never had an affinity for water.

Possible 'Baby' T. Rex Enters Dinosaurian Debate

University of Kansas paleontologists are comparing the bones of a new T. rex to determine if they've got a juvenile Tyrannosaurus or a mature Nanotyrannus on their hands.

Rare Egyptian Fossil Find Holds Clues About African Dinosaur Migration

Could this exciting find help bridge the gaps between Africa's late Cretaceous fossil record and that of other continents?

Nearly Complete Tyrannosaur Skeleton Found in Utah

The American Southwest was once prime tyrannosaur country, as a newfound skeleton reminds us.

Velociraptors Likely Hunted Solo, Despite Pop Culture Depiction

Scientists are at odds about whether Velociraptors worked together to take down their prey.

Why Did the T. Rex Have Such Puny Arms?

Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?

Could you really outrun a Tyrannosaurus rex?

OK, hop in your time machine and go back 67 million years or so to the Cretaceous period. Then find a Tyrannosaurus rex and challenge it to a race. Sounds crazy, huh? Could you really outrun a Tyrannosaurus rex?

Late Cretaceous Period

The Late Cretaceous Period was an era of great transformation and was when the dinosaurs disappeared from the earth. Learn more about the Late Cretaceous Era and the dinosaurs that existed during it.

Abelisaurus

The recently discovered large theropod Abelisaurus comahuensis, from Patagonia is argentina, looked a little like Albertosaurus from Alberta, Canada, particularly in its size and lifestyle. Find out more about the Late Cretaceous dinosaurs.

Albertosaurus

Albertosaurus was an older "cousin" to the better-known Tyrannosaurus. In many ways the two were similar: the head was large compared to the body, the tiny forearms had only two fingers each is and the long tail balanced the body over two powerful back legs.Find out more about the Late Cretaceous dinosaurs.

Anchiceratops

Anchiceratops was discovered along the Red Deer River in Alberta in 1912. Learn more about the Anchiceratops and Late Cretaceous Dinosaurs.

Ankylosaurus

Next to Tyrannosaurus and Triceratops is ankylosaurus is one of the best-known dinosaurs. Learn more about the Ankylosaurus, Late Cretaceous dinosaurs and dinosaurs of all eras.

Anserimimus

The ornithomimid is anserimimus, has the name "goose mimic." Learn more about the Anserimimus, Late Cretaceous dinosaurs and dinosaurs of all eras.

Antarctosaurus

With a thigh bone over seven and a half feet long, longer than any other femur known is antarctosaurus was a sauropod of spectacular proportions. Find out more about this and other Late Cretaceous dinosaurs.

Aralosaurus

Aralosaurus is from Kazakhstan in the Soviet Union. It is known only from a nearly complete skull that is missing the front of the snout and all of the lower jaw, but no skeleton. Learn more about this Late Cretaceous duckbilled dinosaur.

Argyrosaurus

In 1893, British paleontologist Richard Lydekker published the first description of sauropod dinosaurs from South America that had been unearthed in Patagonia is argentina. One of these was the Argyrosaurus. Learn more about this Late Cretaceous dinosaur.

Arrhinoceratops

Arrhinoceratops is a rare ceratopsian known from only one skull that lacks a lower jaw. This single specimen was found in 1923 along the Red Deer River of Alberta by an expedition from the University of Toronto. Learn more about this Late Cretaceous dinosaur.

Aublysodon

This carnivorous dinosaur was named more than one hundred years ago for an unusual tooth found in the Judith River Badlands of northern Montana. When it was discovered, much of the West was still wild. Learn more about this Late Cretaceous dinosaur.

Avaceratops

Avaceratops lammersi was a small ceratopsid known from a single skeleton found in the Judith River Formation of Montana in 1981. Learn more about the Avaceratops and other Late Cretaceous dinosaurs.

Avimimus

Avimimus ('bird mimic') was a small, lightly built theropod from the Upper Cretaceous Djadokhta Formation of Mongolia. Learn more about the Avimimus and other Late Cretaceous dinosaurs.

Bactrosaurus

Bactrosaurus ("reptile from Bactria") is known from many skull and skeletal pieces, but not a complete skeleton. Learn more about the Bactrosaurus and other Late Cretaceous dinosaurs.

Bagaceratops

Bagaceratops rozhdestvenskyi was a small protoceratopsian with a big name: "baga" is the Mongolian word for "small," "ceratops" means "horned face," and the species name is in honor of Russian paleontologist A. K. Rozhdestvensky. Learn more about Late Cretaceous dinosaurs.

Brachyceratops

Brachyceratops montanensis was found in 1913 by paleontologist Charles W. Gilmore on the Blackfeet Indian Reservation in Montana. Learn more about the Brachyceratops, Late Cretaceous dinosaurs and dinosaurs of all eras.

Brachylophosaurus

One of the most unusual duckbilled dinosaurs in the Late Cretaceous was Brachylophosaurus ("short-ridged reptile"). This hadrosaurid was discovered and named by Charles Sternberg of Ottawa, Canada, in 1953. Learn more about the Brachylophosaurus.

Centrosaurus

Centrosaurus, which means "sharp-point reptile," was named by Lawrence Lambe in 1902 from specimens found along the Red Deer River in Alberta. A number of complete skulls and skeletons have since been discovered. Learn more about the Centrosaurus.


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