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Iguanodon
Was the second dinosaur ever to be discovered! It was unearthed in England in 1809. The scientists at the time thought
the fossilized teeth resembled a modern iguana so they named the dinosaur "Iguanodon". They attempted to assemble the
bones but placed the hand claws on the head as horns. It wasn't until 1877 when another Iguanodon was discovered that
the true nature of an Uguanodon became apparent.
It grew up to 30ft/ 9m long and lived during the Early Cretaceous. Family of Iguanodntidae.
Model Size: 8" long (203 mm)
Item#: carnegie-iguanodon-11
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Mosasaurus
The mosasaurs were a successful but short-lived group that were an off shoot of the monitor lizard group.
They were fully adapted to marine life, living in inshore waters during the late Cretaceous. Some of them
grew to over 33ft/ 10m long! Family of Mosasauridae.
Model Size: 6" long (152 mm)
Item#: carnegie-Mosasarus-na
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Baby Apatosaurus (Brontosaurus)
This giant plant-eating dinosaur was once known by the more familiar name "Brontosaurus".
But "Brontosaurus" was the second name allocated to the first remains found. So according to strict conviction
it is more properly called by it's second name. It grew up to 70ft/ 21.3m long and weighted 33 US tons/ 30 tonnes.
grew to over 33ft/ 10m long! Family of Diplodocidae.
Model Size: 6 1/2" long (165 mm)
Item#: carnegie-baby-apatosaurus(brontosaurus)-7
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Parent Apatosaurus (Brontosaurus)
This giant plant-eating dinosaur was once known by the more familiar name "Brontosaurus".
But "Brontosaurus" was the second name allocated to the first remains found. So according to strict conviction
it is more properly called by it's second name. It grew up to 70ft/ 21.3m long and weighted 33 US tons/ 30 tonnes.
grew to over 33ft/ 10m long! Family of Diplodocidae.
Model Size: 22" long (558 mm)
Item#: carnegie-parent-apatosaurus(brontosaurus)-23
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Plateosaurus
Is the best known of all the prosauropods. Dozens of well preserved skeletons have been discovered in Europe.
Mass burial sites suggest that these dinosaurs traveled in herds. These were large animals with there tails making up about
half its length. It grew up to 23ft/ 7m and lived during the Triassic. Family of Plateosauridae.
Model Size: 7 1/2" long (191 mm)
Item#: carnegie-plateosaurus-10
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Maiasaura with Nest
This duckbilled dinosaur was discovered in 1978 and gave paleontologists new insight into the
social family life of dinosaurs. In that year a complete nesting site was found
in Montana USA- a 75 million year old nursery! This nursery show nests made of dirt mounds that
had craterlike depressions in the center where the eggs were laid. These eggs were laid
with care and arranged in circles within the nest. It also showed spacing
between nests to be about 23ft/ 7m apart, which meant mothers nested close together. They lived until the Late
Cretaceous and grew up to 30ft/ 9m long. Family of Hadrosauridae.
Model Size: 8" long (203 mm)
Item#:carnegie-maiasaura-w/nest-15
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Saltasaurus
The fact that these giant plant eaters were discovered only in the Salta Province of Argentina, suggest that the South America continent
could have been separate from the North American continent with present day central America under water.
They lived until the Late Cretaceous and grew up to 39ft/ 12m long. Family of Titanosauridae.
Model Size: 11 1/2" long (296 mm)
Item#: carnegie-saltasaurus-9
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Brachiosaurus
Of all the discovered land skeletons, this dinosaur was the most massive. It had a tiny head with two nasal openings on top of its head.
This may have acted as a cooling device for the brain. Piles of stone found next to these skeletons suggest that these dinosaurs
swallowed pebbles to help grind up there food.
They lived until the Late Jurassic and grew to 59ft/ 18m long. Family of Camarasauridae.
Model Size: 14" high (359mm)
Item#: carnegie-brachiosaurus-27
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Kronosaurus
Is the largest known pliosaur. Its skull measured 9ft/ 2.7m long almost 1/4 the total body length. Which would suggest that this dinosaur
had a more powerful jaw than even the T-Rex! It lived in the shallow seas.
They lived until the Early Cretaceous and grew to 42ft/ 12.8m long. Superfamily of Pliosauroidea.
Model Size: 12 7/8" long (344 mm)
Item#: carnegie-kronosaurus-15
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Elasmosaurus
More than half of its total body length is in its neck. Due to such a long neck causing water resistance when swimming,
some paleontologists believe this dinosaur paddled along the water surface with there necks held up high. When fish was spotted
from there vantage point, the long neck was plunged into the sea and the prey snapped up!
They lived during the Late Cretaceous and grew up to 46ft/ 14m long. Superfamily of Plesiosauroidea.
Model Size: 11" long (283 mm)
Item#: carnegie-elamosaurus-12
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Spinosaurus
This was perhaps the most spectacular member of the large carnivore dinosaurs. It was not only enormous but had an
incredible "sail" on its back. The function of this sail is not known but it could have been used to regulate body temperature.
They lived during the Late Cretaceous and grew up to 39ft/ 12m long. Family of Spinosauridae.
Model Size: 8 1/2" long (216 mm)
Item#: carnegie-spinosaurus-13
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Allosaurus
The largest of all allosaurs, it was the most fearsome predator of the Late Jurassic. In appearance, it was a larger version of a Megalosaurus.
Because of its size, some paleontologist think it was too slow to run down its prey and therefore was a scavenger. Others
believe it was quite agile and may have hunted in packs to bring down the large plant eaters.
They lived during the Early Cretaceous and grew up to 39ft/ 12m long. Family of Allosauridae.
Model Size: 9 3/4" long (247 mm)
Item#: carnegie-allosaurus-10
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Pteranodon
This was a featherless flying reptile! With a 23ft/ 7m wingspan this reptile was probably a glider. Its short tailless body
would have been highly maneuverable in the air. They would have relied on hot-air currents over the ocean to stay aloft. The function of the head
crest has been a subject for debate. It could have been used as a steering rudder.
They lived during the Late Cretaceous and grew up to 23ft/ 7m wingspan. Superorder of Pterodactyloidea.
Model Size: 4" wings (102 mm)
Item#: carnegie-pterandon-4A
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Parasaurolphous
This duckbill had a shorter snout than other hadrosaurs, and a single backward pointing hornlike crest
mounted on the back of it's head. This hollow crest may have been used as a vocal resonating chamber
used to communicate to others or call to females. The sound probably resembled a foghorn.
Both sexes had crests but of different sizes. Hadrosaurs could move their upper and lower
jaws independently of each other which created a grinding motion. They lived
during the Late Cretaceous and grew up to 33ft/ 10m long. Family of Hadrosauridae.
Model Size: 7 1/2" long (191 mm)
Item#: carnegie-parasaurolphous-9
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Corynthosaurus
With a spectacular semicircle crest on top of its head, this duckbill dinosaur resided in what in now North America.
This hollow head crest was most likely used to create a foghorn sound used in communication with others.
They lived during the Late Cretaceous and grew up to 30ft/ 9m long. Family of Hadrosauridae.
Model Size: 7" long (178 mm)
Item#: carnegie-Corynthosaurus-9
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Diplodocus
This was a huge dinosaur reaching lengths of
100ft/ 30m long. Despite it great size it only
weighed 11 tons/ 10 tonnes- about one third the
weight of a Brontosaurus (which was shorter in
length). The reason for this light weight was that it
had hollow vertebra. It was probably habit for this
dinosaur to rear up on it's hindlegs using it's tail to
balance so that it could reach high into the trees
for food. It lived during the Late Jurassic and it's
location of discovery is North America. Family of
Diplodocidae.
Model Size: 7" x 19" long (457 mm)
Item#: carnegie-Diplodocus-35A
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Dilphosaurus
The skull of this dinosaur was unusual for any
group. A pair of bony crests rose up vertically on
both sides of the skull. The function of these head
crests remain a mystery. Some paleontologists
believe that only the males had them and that they
were used to attract females. They lived during the
Middle Jurassic to Late Cretaceous and locality of
discovery is England Europe. They grew up to 23
ft/ 7m long. Family of Megalosauridae.
Model Size: 4.5" long (108 mm)
Item#: carnegie-Dilphosaurus-10A
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Triceratops
The Triceratops was the most abundant horned
group of dinosaurs as well as the largest, weighing
up to 11 tons/ 10 tonnes. Great herds of these
horned dinosaurs lived throughout what is now
Northern America. They lived during the Late
Cretaceous. The name "triceratops" means
"3-horned face". This head plate acted as a
defensive shield for protection against predators.
Family of Ceratopidae.
Model Size: 6.5" long (165 mm)
Item#: carnegie-Triceratops-10A |
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Pachycephalosaurus
Was a giant among the bonehead dinosaurs. It
had an enormous solid bone dome on top of it's
head that was as thick as 10in/ 25cm. Like a great
crash helmet, the thick skull could have absorbed
tremendous impact as it head-butted it's enemies!
It was the last to live after all of it's plant-eating
relatives had become extinct. It lived until the Late
Cretaceous and grew up to 15ft/ 4.6m long.
Family of Pachycephalosauridae.
Model Size: 6.75" long (171 mm)
Item#: carnegie-Pachycephalosaurus-9A
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Deinosuchus
Only the skull of this immense crocodile has been found. The skull measured more than 6.6 ft (2 m) in length. It is believed that this crocodile grew to over 50 feet long and lived in the swamps of Texas toward the end of the Cretaceous period.
Model Size: 10" long (254 mm)
Item#:
carnegie-Deinosuchus-12A
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Carnotaurus
Had several distinguishing characteristics that
separate it from the other theropods. The first are
the pair of large bony horns above the eyes. Other
notable features are the short snout and the
extremely small forearms. Carnotaurus is one of
the unusual dinosaurs paleontologist have been
uncovering in South America. They lived during
the Mid Jurassic. Family of Abelisauridae.
Model Size: 6.5 long (165 mm)
Item#: carnegie-Carnotaurus-9A
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Stegosaurus
No one knows exactly how how the back bony
plates were arranged since no plates have been
found attached to the skeletons. Some
paleontologists maintain that they laid flat against
the skin while most others believe they stood
straight up. A thin layer of blood rich skin could
have covered these plates. The long sturdy spikes
of the tail were used in defense. This dinosaur
lived during the Late Jurassic and it's area of
discovery is Northern United States. It is the state
fossil of Colorado USA. On average, it was up to
30ft/ 9m long. The skull of this dinosaur was
narrow and tiny- about 16 in/ 40 cm long. The
brain was correspondingly small, about the size of
a walnut! Family of Stegosauridae.
Model Size: 6" long (152 mm)
Item#: carnegie-Stegosaurus-9A
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