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Meaning:Wing Without Teeth
The Pteranodon was one of the largest flying creatiires that ever lived. Most scientists helieve that a Pteranodon
was capable of sustained flight, some however, suggest that because of its tremendous size, it was only able to
glide on air currents or thermal updrafts, very much like today's albatross. It had a marine lifestyle and survived mainly by eating fish. The Pteranodon was neither dinosaur nor bird, although it rose from the same group of primitive reptiles that gave rise to the crocodilians, dinosaurs and birds.
â€ž million vears
dnriOf/^TE.^ (am -O-nites) Derived From : comu Ammonis\ horn of Ammon. Ammon 'Egyptian god
often represented as a ram (l6th Century B.C.)
Ammonites belongs to a group of extinct animals that were amongst the most common type of sea creatures of its time. Scientist think
that a living ammonite must resemble the Nautilus, a living creature found today, with a similarly shaped shell and separate chambers. Most fossilised ammonite shells are
only about 3cm across. Some species however, did reach 2m in diameter.
They evolved rapidly, undergoing a
series ofchanges in shape and in the pattern of their shells. About 8,000 species are known. Their rapid
evolution helps geologists to tell how old a particurar layer ofrock is based on the types of ammonites found there.
W' Mewy.bic Era
f 245 J 65 to
million vean ago
Meaning: Leaping Lizard
Allosaurus was one ofthe most formidable
predators ofthe late Jurassic Period. The
largest Allosaurus were almost as big as
JF Late Jiuraasic
fl35; 3. million vears ago"^ÂŽ
the famous Tyrannosaurus, though they had more Ughdy built skulls and skeletons. The lower jaws ofAllosaurus were loosely hinged, which allowed these carnivorous creatures to open them wide to swallow large chucks offlesh. The three-fingered, powerful clawed forelimbs could hold a struggling prey as its jaws, filled with knife-like teeth, tore it apart.
flf/^'r05/WJRÂŤ5 (ah-PAT-uh-sawr-us) Meaning: Deceptive Lizard
Apatosaurus, sometimes called Brontosaurus, was a plant eater. It had four elephantine legs, a small head at the end of a long neck and a long slender tail. The head was long and horse-like, with a brain about the size of a human fist. Recent studies showed that
despite its size and massive weight, Apatosaurus could have stood on its hind
legs, perhaps to reach the treetops in search
of vegetation. They may have travelled as a ^ herd as protection against other fearsome creatures.
jl38 million years ago'tfl
UTMRfirTOR pt'OU-Tah-rap-tur) Meaning:Predator from Utah
million year^ agovfj
Utahraptor s importance lies in the fact that it comes from the earliest member of the sickle-footed
dinosaurs- the dromaeosaurs - which is closely related
to birds. It is one of the dromaeosaurian theropod carnivorous dinosaurs. These are the dinosaurs most
closely related to birds. The dromaesaurs also include
the slightly later and smaller Deinonychus, and the even smaller, Late Cretaceous Dromaeosaurus from
North America. They became smaller and more agile through time.
fflCHYCEfH/)K>5flURU5 (pak-ee-SEF-uh-lo-sawr-us) Meaning: Thick-headed Lizard
Pachycephalosaurus was the largest and one ofthe last group of a pecuhar plant-eating dinosaur that lived in Asia, Africa and North America during
the late Cretaceous period. The bones on top of the skull were quite thick and decorated with an array of knobs and studs. In most of the species, the skull bones were so thick that they formed a
large, round dome that made them look very'eggheaded'. The thickened skull was probably used
for head butting, very much like how sheep and goats use their horns today. These animals
probably led a sheep-like existence, hving in small groups and surviving on soft plants For foot
million Years ago''ÂŽ
cth Tpjassic Clows Petrified Cretoceous Horns
3 M S
or A thick outer covering that some dinosaurs had for protection from predators. Many dinosaurs had sharp on their front and hind feet.
Al The last period of geological time during the Age of binosaurs. The scientific study of the Earth, including rocks, minerals and landforms.
^ Hard, spike-like attachments to the skull; L p
Tricerotops hod three of these. Stegosaurus and Apatosaurus lived during this period of geological time, The era of geological time that
C Z K
made up of the Triassic, Jurassic and
C M S E Q V
The dinosaurs lived many â€˘ of years ago.
S T Z
E W AYELMAS '^ Turned to rock by V
g 1^ j 1^ ^
p |__| ^
^ S Q W L S X B
Dinosaurs and many
other animals use
these to bite, tear and chew.
H A & T U
3iozosaw jnouijyr s>|9djj, ^fssojnf suoiipvv ASojoa^
(dyne-ON-ik-us) Meaning: Terrible Claw
Deinonychus was a terrifying carnivorous predator that stood no taller than an average man. The second digit of each hind (back) foot had a sharp, oversized claw which it used to rip open its victims while it clutched them in its strong front limbs. Its teeth were saw like and curved. An alert and agile animal, the Deinonychus was able to nm down other small dinosaurs and may have hunted in packs. â– *
ij| Earlv C'retaceoua
V million yean aeo.,!
^ 'j hi
(par-ah-saer-OL-uh-fiis) Meaning: Another Lizard-crest
million year* ago
Parasaurolophus was a duckbilled dinosaur with a striking, elongated head crest that measured up to 180cm long. The crest could have been used as a resonator that produced deep sounds for communication or perhaps to warn others of oncoming predators. It could have also been used to allow the animals in the same herd to recognise each other.
The Parasaurolophus had mitten-like forefeet and a high, narrow tail. These would normally indicate an aquatic lifestyle, but the fossilised stomach of a few mummified Parasaurolophus indicated that they ate mainly land plants.
Meaning: Bull Reptile
Torosaunis was among the last ofthe dinosaurs. It siirvived on a diet made up mainly of plants. Because ofits long frill, it is famous for having the largest head of any known land animal. Like other horned dinosaur, Torosaurus, lived
in herds and used its homs and frill as signals to threaten rivals, impress potential mates and
occasionally to defend itself and the herd from predators.
million years ajro
(tye-RAN-uh-sawr-us) Meaning ; Tyrant Lizard
The Tyrannosaurus was a massive animal that probably weighed as much as a fiilly-grown African elephant. It walked on only two legs and was a ferocious carnivore. Fossils of the
Tyrannosaurus rex have been found in Canada, Montana,Wyoming, South Dakota and even as far south as Texas. Other species have been discovered in China.
t 70 million vean ago
CI.UI^5 ACROSS 2. A scientist who digs up and studies dinosaur bones. 5. A dinosaur with three horns on its head.
8. Before recorded history. 12. A special group of extinct reptiles. 13. Evidence of prehistoric life. 15. Really big. 18. Mammals, birds and reptiles breathe this to survive. 19. Lizards, turtles and dinosaurs all belong to this group. 20. Some dinosaur fossils were formed when this covered the hones.
1. Dinosaurs and fish have these on their skin. 3. "Dinosaur" means lizard.
4. A plant-eating animal. 6. Tyrannosaurus rex had a loud 7. The dying out of all the members of a species. 9. A meat-eating animal. 10. A skeleton is made up of many of these.
11. The way that baby birds and dinosaurs are horn. 14. Watery areas in which some dinosaurs were believed to have lived. 16. Dinosaurs and birds come out of these.
17. Dinosaurs did not live in the air or sea,
they lived on
â– fiti'e. 5CAn^ Legend :
Millions of years ago
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