Kritosarus

Picture by : http://www.raul-martin.net/raulmartin/uno/kritosaurus.htm

Kritosaurus

by : http://www.typesofdinosaurs.com/kritosaurus

- Other Names: Gryposaurus (not confirmed)
- Pronunciation: CRY-tuh-SAWR-us
- Translation: Noble Lizard
- Order: Ornithischia
- Suborder: Ornithopoda
- Infraorder: Iguanodontia
- Family: Hadrosauridae
- Height: 23 feet (7 meters)
- Weight: 5,950 pounds (2,700 kg)
- Length: 30 feet (9.1 meters)
- Period: Late Cretaceous
- Description: Herbivore, Bipedal
- Notes: Kritosaurus was found in New Mexico by Barnum Brown,the great American Museum of Natural History collector. Thisduckbill dinosaur had a wide, flat skull and a ridge of bone justbelow its eyes. This would have given its mouth and snout theappearance of a "Roman Nose," hence its name "Noble Lizard."There is considerable evidence that Kritosaurus and Gryposaurusare the same species but there appear to be differences in theirtooth structure.

Saber Tooth Tigers

By Brady

(http://library.thinkquest.org/TQ0312706/sabertoothtigers.htm)

Saber tooth tigers lived many, many years ago back when the earth was trapped in an Ice Age. At that time, woolly mammoths and mastodons roamed the icy land. Smilodons, which were a type of saber tooth tiger, were a tiny bit smaller than the panthers that live today. However, smilodons were heavier than panthers, weighing a whopping 440 lbs. The smilodons were the biggest kind of saber tooth. Saber tooths were very fierce predators. The saber tooth tiger was about the size of the African lion. Some saber tooth tigers grew up to 15 feet in length!

Stygimoloch

Stygimoloch is an interesting dinosaur for a number of reasons. Although it lived in the late Cretaceous, it had a number of primitive characteristics. It had five fingers, it had teeth similar to Stegosaurus in the back of its mouth, but the front was filled with sharp incisors similar to a carnivore. All of the remains that had been previously found were misidentified as those from a Pachycephalosaurus. In fact, even Triebold's specimen was initially misidentified as Pachycephalosaurus.

Description and picture by :
http://www.dinosaur-world.com/weird_dinosaurs/stygimoloch_spinifer.htm

The Woolly Mammoth

Description and picture by :

http://en.wikipedia.org/wiki/Woolly_mammoth

The woolly mammoth (Mammuthus primigenius), also called the tundra mammoth, is an extinct species of mammoth. This animal is known from bones and frozen carcasses from northern North America and northern Eurasia with the best preserved carcasses in Siberia.

This mammoth species was first recorded in (possibly 150,000 years old) deposits of the second last glaciation in Eurasia. They were derived from steppe mammoths (Mammuthus trogontherii).

It disappeared from most of its range at the end of the Pleistocene (10,000 years ago), with a dwarfed race still living on Wrangel Island until roughly 1700 BCE.

Maiasaura

http://www.cartage.org.lb/en/themes/sciences/Paleontology/Paleozoology/Mesozoic/1maia6.jpg


Maiasaura Description :
(http://en.wikipedia.org/wiki/Maiasaura)

Maiasaura was large, attaining an adult length of about 9 meters (30 feet) and had the typical hadrosaurid flat beak and a thick nose. It had a small, spiky crest in front of its eyes. The crest may have been used in headbutting contests between males during the breeding season.

This dinosaur was herbivorous. It walked both on two (bipedal) or four (quadrupedal) legs and appeared to have no defense against predators, except, perhaps, its heavy muscular tail and its herd behaviour. These herds were extremely large and could have comprised as many as 10,000 individuals.

Burgess Shale Picture

Fosil Burgess Shale,
by :
http://www.fossils-facts-and-finds.com/trilobites.html

Dinosaurs Size

Dinosaur size

From Wikipedia, the free encyclopedia

Size has been one of the most interesting aspects of dinosaur science to the general public. This article lists the largest and smallest dinosaurs from various groups, sorted in order of weight and length.

Scale diagram comparing the largest known dinosaurs in four suborders and a human.

What did dinosaurs eat ?

What did dinosaurs eat ?

Some dinosaurs ate meat and the others ate plants.

Some dinosaurs ate lizards, turtles, eggs, or early mammals. Some hunted other dinosaurs or scavenged dead animals.

Rocks that contains dinosaur bones also contain fossil pollen and spores that indicate hundreds to thousands of types of plants existed during the Mesozoic Era. Many of these plants had edible leaves, including evergreen conifers (pine trees, redwoods, and their relatives), ferns, mosses, horsetail rushes, cycads, ginkos, and in the latter part of the dinosaur age flowering (fruiting) plants. Although the exact time of origin for flowering plants is still uncertain, the last of the dinosaurs certainly had fruit available to eat.

(http://pubs.usgs.gov/gip/dinosaurs/food.html)

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Iguanodon

Bibliographic details for "Iguanodon"

• Page name: Iguanodon
• Author: Wikipedia contributors
• Publisher: Wikipedia, The Free Encyclopedia.
• Date of last revision: 12 April 2009 18:47 UTC
• Date retrieved: 13 April 2009 07:43 UTC
• Permanent link: http://en.wikipedia.org/w/index.php?title=Iguanodon&oldid=283405050
• Primary contributors: Revision history statistics
• Page Version ID: 283405050

guanodon (pronounced /ɪˈgwɑːnədɒn/ or /ɪgjʊˈɑːnədɒn/, meaning "Iguana tooth") is a genus of ornithopod dinosaur that lived roughly halfway between the first of the swift bipedal hypsilophodontids and the ornithopods' culmination in the duck-billed dinosaurs. Many species of Iguanodon have been named, dating from the Kimmeridgian age of the Late Jurassic Period to the Cenomanian age of the Late Cretaceous Period from Asia, Europe, and North America. However, research in the first decade of the 2000s suggests that there is only one well-substantiated species: I. bernissartensis, that lived from the Barremian to the early Aptian (Early Cretaceous) in Europe, between about 130 and 120 million years ago. Iguanodon's most distinctive features were its large thumb spikes, which were possibly used for defence against predators.

Ankylosaurus Coloring

This is your ankylosaurus coloring

Ankylosaurus Information

Ankylosaurus

From Wikipedia, the free encyclopedia

Bibliographic details for "Ankylosaurus"

• Page name: Ankylosaurus
• Author: Wikipedia contributors
• Publisher: Wikipedia, The Free Encyclopedia.
• Date of last revision: 11 April 2009 02:53 UTC
• Date retrieved: 13 April 2009 07:47 UTC
• Permanent link: http://en.wikipedia.org/w/index.php?title=Ankylosaurus&oldid=283104664
• Primary contributors: Revision history statistics
• Page Version ID: 283104664

Ankylosaurus Fossil range: Late Cretaceous
An Ankylosaurus skull, profile view. This specimen is from the Edmonton Formation of Alberta.
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Superorder: Dinosauria Order: †Ornithischia Suborder: †Thyreophora Infraorder: †Ankylosauria Family: †Ankylosauridae Genus: †Ankylosaurus Brown, 1908
Species
†A. magniventris Brown, 1908 (type)

Ankylosaurus (pronounced /ˌæŋkɪloʊˈsɔrəs/, which means 'fused lizard') is a genus of ankylosaurid dinosaur, containing one species, A. magniventris. Fossils of Ankylosaurus are found in geologic formations dating to the very end of the Cretaceous Period in western North America.

Although a complete skeleton has not been discovered and several other dinosaurs are represented by more extensive fossil material, Ankylosaurus is often considered the archetypal armored dinosaur. Other ankylosaurids shared its well-known features, like the heavily-armored body and massive bony tail club, but Ankylosaurus was the largest member of its family.

Illustration of Ankylosaurus.

Ankylosaurus Picture

This is ankylosaurus picture

Achelousaurus Picture

This is another Achelousaurus Picture

Achelousaurus Information

Achelousaurus

From Wikipedia, the free encyclopedia

Achelousaurus Fossil range: Late Cretaceous
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida Superorder: Dinosauria Order: Ornithischia Suborder: Marginocephalia Superfamily: Ceratopsia Family: Ceratopsidae Subfamily: Centrosaurinae Genus: Achelousaurus Sampson, 1995
Species
A. horneri Sampson, 1995 (type)

Achelousaurus (typically pronounced /əˌkiːloʊˈsɔrəs/, though /ˌækɨˌloʊəˈsɔrəs/ might be a better reflection of the butchered etymology;^[1] "Achelous's lizard") is a genus of centrosaurine ceratopsid dinosaur from the Late Cretaceous Period of what is now North America. It was a quadrupedal herbivore with a parrot-like beak, a rough boss (raised bony area) on the snout and two more behind the eyes, and two horns on the end of its long bony neck frill. With a total body length of 6 meters (20 feet), Achelousaurus was a medium-sized ceratopsian.

The genus and the one named species (A. horneri) were both named by paleontologist Scott Sampson in 1995. The specific name honors Jack Horner, an influential American paleontologist famous for his Montana dinosaur discoveries. The generic name Achelousaurus is a complex reference to Greek mythology. Achelous, an important Greek river deity, had one of his horns torn off by Hercules, in a mythological fight with the legendary hero. All three known skulls of Achelousaurus have rough bosses in the same places where other ceratopsians had horns, giving it the appearance of having had its horns ripped off. Achelous was also celebrated for his shapeshifting ability, just as Achelousaurus appears to combine features of other ceratopsian dinosaurs.

Achelousaurus horneri.

Apatosaurus coloring

Apatosaurus coloring .

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List of Dinosaurs

There are was founded a thousand type of dinosaurs,

From Wikipedia, the free encyclopedia

Bibliographic details for "List of dinosaurs"

• Page name: List of dinosaurs
• Author: Wikipedia contributors
• Publisher: Wikipedia, The Free Encyclopedia.
• Date of last revision: 5 April 2009 01:38 UTC
• Date retrieved: 13 April 2009 07:50 UTC
• Permanent link: http://en.wikipedia.org/w/index.php?title=List_of_dinosaurs&oldid=281814086
• Primary contributors: Revision history statistics
• Page Version ID: 281814086

Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH.

This list of dinosaurs is a comprehensive listing of all genera that have ever been included in the superorder Dinosauria, excluding class Aves (birds, both living and those known only from fossils) and purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium), or were not formally published (nomen nudum), as well as junior synonyms of more established names, and genera that are no longer considered dinosaurs. Many listed dinosaurs have since been reclassified as everything from birds to crocodilians to petrified wood. The list contains 1229 names, of which approximately 834 are considered either valid dinosaur genera or nomina dubia.

Stegosaurus Coloring

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Dinosaurs Fossil

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Classification of Dinosaurs

This is classification of dinosaurs or type of dinosaurs

Preface

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