Overview

dinosaur

Return to overview »

You are looking at 1-20 of 44 entries

  • Type: Overview Page x
clear all

View:

Ankylosaurus

Ankylosaurus  

Genus of Cretaceous dinosaurs, heavily armoured with bony plates, rather in the manner of armadillos. They had small heads with insignificant teeth, and some forms were toothless.
Apatosaurus

Apatosaurus  

(order Saurischia, suborder Sauropoda)One of several gigantic dinosaurs recorded from the Late Jurassic, Apatosaurus was a quadruped with a long neck whose total weight reached 30 tonnes. The name ...
Archaeopteryx lithographica

Archaeopteryx lithographica  

The first known bird, of which only six specimens and one feather imprint have been found, all of them from the Lithographic Limestone of the Solnhofen region of Bavaria, Germany. The bird was first ...
Archosauria

Archosauria  

(class Reptilia)A subclass of diapsid reptiles that includes the orders Crocodilia, Ornithischia, Saurischia, Pterosauria, and Thecodontia. Thecodontians were ancestral to the other groups and ...
carnosaur

carnosaur  

A saurischian (Saurischia), carnivorous dinosaur that was bipedal, powerfully built, and possessed large, dagger-like teeth. Tyrannosaurus rex, of the Late Cretaceous, represented the culmination of ...
Ceratopsia

Ceratopsia  

(subclass Archosauria, order Ornithischia)A suborder of horned dinosaurs which had beak-like jaws, from the Late Cretaceous. The head accounted for about one-third of the total length of the body ...
Coelophysis

Coelophysis  

One of the first flesh-eating dinosaurs, recorded from the Late Jurassic of N. America. It was a slender, bipedal coelurosaur less than 2 m in length, weighing approximately 23 kg. It had a small ...
Coelurosauria

Coelurosauria  

(order Saurischia, suborder Theropoda)An infra-order of carnivorous, bipedal dinosaurs that had small skulls, sharp, serrated teeth, long necks and tails, and hands with long, grasping fingers. They ...
continent

continent  

One of the seven major land areas on the Earth, which are North America, South America, Europe, Africa, Asia, Australia, and Antarctica.
Cretaceous

Cretaceous  

The youngest period of Mesozoic time from c.136 to 65 million years bp.http://www.ucmp.berkeley.edu/mesozoic/cretaceous/cretaceous.html An overview of the Cretaceous period.
Crocodilia

Crocodilia  

(class Reptilia)Order of the ‘ruling reptiles’ (Archosauria) which includes the crocodiles, alligators, caimans, and gavials (gharials). They are derived from thecodontian ancestors and are closely ...
diapsid

diapsid  

Applied to a type of skull that has two temporal openings behind the eye. This is typical of Archosauria, Lepidosauria, and Rhynchocephalia. See also Diapsida.Diapsid
Diplodocus

Diplodocus  

Reference type:
Overview Page
Dinosaur that lived in n USA during the Jurassic period. The longest land animal ever found. It had a long slender neck and tail and was a swamp-dwelling herbivore. Length: 25m (82ft).[...]
dromaeosaurid

dromaeosaurid  

A member of the Coelurosauria branch of the theropod dinosaurs which developed from the genus Dromaeosaurus (the ‘emu reptile’), known from the early Late Cretaceous of Canada. Dromaeosaurids had ...
Euparkeria

Euparkeria  

Bipedal thecodont (‘tooth-in-socket’) reptile known from the Lower Triassic. The thecodonts are considered to be ancestors of the dinosaurs and, apart from a limited number of primitive features in ...
Fabrosaurus australis

Fabrosaurus australis  

Described in 1964 by Ginsburg, F. australis is one of the earliest recorded ornithischian dinosaurs. Like other ‘bird-hipped’ dinosaurs, Fabrosaurus possessed a predentary bone at the tip of its ...
Gideon Algernon Mantell

Gideon Algernon Mantell  

(1790–1852)A Sussex surgeon, whose hobby was the study of fossils from the Chalk and Weald, on which he became an expert. Mantell discovered iguanodon and other fossil dinosaurs which, with the ...
Hadrosauridae

Hadrosauridae  

; subclass Archosauria, order Ornithischia)A family of dinosaurs of possibly amphibious habit which averaged about 9 m in body length. Several mummies of hadrosaur dinosaurs have been found, from ...
Heterodontosauridae

Heterodontosauridae  

(order Ornithischia, suborder Ornithopoda)A family of dinosaurs, known only from the Late Triassic of S. Africa, whose name means ‘different-toothed lizards’; they had tusk-like canines.
Hypsilophodontidae

Hypsilophodontidae  

Family of bipedal (ornithopod), ornithischian dinosaurs, ranging from the Upper Triassic to the Upper Cretaceous. Hypsilophodon itself, from the Wealden of the Lower Cretaceous, is the most primitive ...

View: