Extinct | Prehistoric Animals

The earliest Prehistoric animals to live were jawless, spineless creatures that roamed the oceans about 540 million years ago. It wasn’t until the Devonian period, 400 million years ago, when the prehistoric creatures grew legs and left the ocean, these are the prehistoric ancestors to all vertebrate creatures on earth today. Once on land, the prehistoric creatures underwent a bunch of different adaptations for running, crawling, flying, and jumping; it was then when the rise of the dinosaurs took place, in the Triassic period about 230 million years ago. Even though the dinosaurs ruled, many small, rodent-like mammals were alive and these small mammals, along with some birds, amphibians, and reptiles survived the mass extinction that wiped out the dinosaurs. Although 90% of the species that have lived on Earth throughout its existence are extinct, most of the creatures that survived this first mass extinction still exist today.

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Extinct Animals

Animals

Extinct Animals

Stegosaurus
14’ | 4.3 m
Tyrannosaurus
17’ | 5.2 m
Spinosaurus
21.5’ | 6.5 m
Brachiosaurus
31’-43’ | 9.4-13 m
Triceratops
9.5’-10.0’ | 2.9-3 m
Spinosaurus
5.7’ | 1.7 m
Triceratops
6.7’ | 2 m
Tyrannosaurus
6’ | 1.8 m
Stegosaurus
6’ | 1.8 m
Brachiosaurus
8’-11’ | 2.4-3.4 m
Triceratops
26’-29.5’ | 7.9-9 m
Stegosaurus
30’ | 9.1 m
Tyrannosaurus
40’ | 12.3 m
Spinosaurus
49’-51’ | 15-15.6 m
Brachiosaurus
59’-69’ | 18-21 m
Stegosaurus
11,700-15,400 lb | 5.3-7 metric tons
Triceratops
13,500-26,500 lb | 6.1-12 metric tons
Spinosaurus
14,100-15,900 lb | 6.4-7.2 metric tons
Tyrannosaurus
18,500-30,800 lb | 8.4-14 metric tons
Brachiosaurus
77,000-123,000 lb | 35-56 metric tons

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Tyrannosaurus | T-Rex
Tyrannosaurus | T-Rex size comparison to a human with dimensions for overall height and length

Tyrannosaurus Rex (T-Rex) was one of the largest predatory dinosaurs that ever existed. Living during the Cretaceous period (68-66 Mya) in the forested river valleys of today’s western North America, Tyrannosaurus is a carnivore popularly known for its large 5’ | 1.5 m skull, ferocious serrated teeth, small useless arms, strong tail, and powerful bipedal legs. Tyrannosaurus Rex was 40’ | 12.3 m in length, with a head height of 17’ | 5.2 m and hip height of 12’-13’ | 3.7-4 m.

Tyrannosaurus has a width of 6’ | 1.8 m and height of 17’ | 5.2 m.
The Tyrannosaurus has a height of 17’ | 5.2 m, width of 6’ | 1.8 m, and a depth of . The Tyrannosaurus was released in .
The Tyrannosaurus | T-Rex has a height of 17’ | 5.2 m, width of 6’ | 1.8 m, depth of , and weighs 18,500-30,800 lb | 8.4-14 metric tons. The Tyrannosaurus | T-Rex was released in .
Tyrannosaurus has a height of 17’ | 5.2 m.
The Tyrannosaurus has an overall height of 17’ | 5.2 m, width of 6’ | 1.8 m, and depth of .
The Tyrannosaurus has an overall height of 17’ | 5.2 m, width of 6’ | 1.8 m, and depth of . The seat height of the Tyrannosaurus is set at with arms at .
The Tyrannosaurus has an overall height of 17’ | 5.2 m, length of 40’ | 12.3 m, and depth of .
The Tyrannosaurus has an overall height of 17’ | 5.2 m, length of 40’ | 12.3 m, and depth of . The seat height of the Tyrannosaurus is set at .
Tyrannosaurus have an overall length of 40’ | 12.3 m and width of 6’ | 1.8 m. Tyrannosaurus have an overall area of .
The Tyrannosaurus has an overall height of 17’ | 5.2 m, length of 40’ | 12.3 m, and depth of . The Tyrannosaurus has a seat height set at and an arm height of .
The average Tyrannosaurus has an overall height of 17’ | 5.2 m, withers (shoulder) height of , and body length of 40’ | 12.3 m. A typical Tyrannosaurus weighs between 18,500-30,800 lb | 8.4-14 metric tons and has a lifespan of roughly .
The typical Tyrannosaurus has an overall height of 17’ | 5.2 m and body length of 40’ | 12.3 m. An average Tyrannosaurus weighs between 18,500-30,800 lb | 8.4-14 metric tons and has a typical lifespan of .
Tyrannosaurus has a width of 6’ | 1.8 m and height of 17’ | 5.2 m.
The Tyrannosaurus has a height of 17’ | 5.2 m, width of 6’ | 1.8 m, and a depth of . The Tyrannosaurus was released in .
Side, front, back and plan drawings of a Tyrannosaurus | T-Rex
Tyrannosaurus Rex (T-Rex) was one of the largest predatory dinosaurs that ever existed. Known for its large 5’ | 1.5 m head, conical teeth, small arms, strong tail, and powerful legs, Tyrannosaurus Rex was 40’ | 12.3 m in length, with a head height of 17’ | 5.2 m and hip height of 12’-13’ | 3.7-4 m.
Side, front, back and plan drawings of a Tyrannosaurus | T-Rex
Tyrannosaurus | T-Rex

*Under Development*

Height:
17’ | 5.2 m
Width:
6’ | 1.8 m
Length:
40’ | 12.3 m
Depth:
Weight:
18,500-30,800 lb | 8.4-14 metric tons
Area:

Height (Hips): 12’-13’ | 3.7-4 m

Period: Cretaceous (68-66 million years ago)
Scientific Name: Tyrannosaurus

Drawings include:
Tyrannosaurus | T-Rex side elevation, front, back, plan

Details & Downloads
Stegosaurus
Size comparison drawing with dimensions of a Stegosaurus and an average human

Stegosaurus was a Late Jurassic (155-150 Mya) herbivorous quadrupedal dinosaur known for its array of upright plates on its back and strong spiked tail. Heavily built with short limbs, a small head, and large body, Stegosaurus was a defensive dinosaur that likely foraged for twigs and low hanging fruits. Stegosaurus has a body length of 30’ | 9.1 m and a height of 14’ | 4.3 m.

Stegosaurus has a width of 6’ | 1.8 m and height of 14’ | 4.3 m.
The Stegosaurus has a height of 14’ | 4.3 m, width of 6’ | 1.8 m, and a depth of . The Stegosaurus was released in .
The Stegosaurus has a height of 14’ | 4.3 m, width of 6’ | 1.8 m, depth of , and weighs 11,700-15,400 lb | 5.3-7 metric tons. The Stegosaurus was released in .
Stegosaurus has a height of 14’ | 4.3 m.
The Stegosaurus has an overall height of 14’ | 4.3 m, width of 6’ | 1.8 m, and depth of .
The Stegosaurus has an overall height of 14’ | 4.3 m, width of 6’ | 1.8 m, and depth of . The seat height of the Stegosaurus is set at with arms at .
The Stegosaurus has an overall height of 14’ | 4.3 m, length of 30’ | 9.1 m, and depth of .
The Stegosaurus has an overall height of 14’ | 4.3 m, length of 30’ | 9.1 m, and depth of . The seat height of the Stegosaurus is set at .
Stegosaurus have an overall length of 30’ | 9.1 m and width of 6’ | 1.8 m. Stegosaurus have an overall area of .
The Stegosaurus has an overall height of 14’ | 4.3 m, length of 30’ | 9.1 m, and depth of . The Stegosaurus has a seat height set at and an arm height of .
The average Stegosaurus has an overall height of 14’ | 4.3 m, withers (shoulder) height of , and body length of 30’ | 9.1 m. A typical Stegosaurus weighs between 11,700-15,400 lb | 5.3-7 metric tons and has a lifespan of roughly .
The typical Stegosaurus has an overall height of 14’ | 4.3 m and body length of 30’ | 9.1 m. An average Stegosaurus weighs between 11,700-15,400 lb | 5.3-7 metric tons and has a typical lifespan of .
Stegosaurus has a width of 6’ | 1.8 m and height of 14’ | 4.3 m.
The Stegosaurus has a height of 14’ | 4.3 m, width of 6’ | 1.8 m, and a depth of . The Stegosaurus was released in .
Drawing collection illustrating the front, back, side, and plan profiles of a Stegosaurus
Stegosaurus was a Late Jurassic herbivorous quadrupedal dinosaur known for its array of upright plates on its back and spiked tail. Heavily built, Stegosaurus was a strong defensive dinosaur with a body length of 30’ | 9.1 m and a height of 14’ | 4.3 m.
Drawing collection illustrating the front, back, side, and plan profiles of a Stegosaurus
Stegosaurus

*Under Development*

Height:
14’ | 4.3 m
Width:
6’ | 1.8 m
Length:
30’ | 9.1 m
Depth:
Weight:
11,700-15,400 lb | 5.3-7 metric tons
Area:

Period: Late Jurassic (155-150 million years ago)
Scientific Name: Stegosaurus

Drawings include:
Stegosaurus side elevation, front, back, plan

Details & Downloads
Triceratops
Illustration comparing the size of a Triceratops to a human with dimensions for height and length

Triceratops were three-horned herbivorous dinosaurs that roamed western North America in the late Cretaceous period (68-66 Mya). Combined with a shield-like head plate, the horns of the Triceratops were likely used to protect them from predators and may have also been used for mating rituals. The Triceratops had a length between 26’-29.5’ | 7.9-9 m and stood 9.5’-10’ | 2.9-3 m tall.

Triceratops has a width of 6.7’ | 2 m and height of 9.5’-10.0’ | 2.9-3 m.
The Triceratops has a height of 9.5’-10.0’ | 2.9-3 m, width of 6.7’ | 2 m, and a depth of . The Triceratops was released in .
The Triceratops has a height of 9.5’-10.0’ | 2.9-3 m, width of 6.7’ | 2 m, depth of , and weighs 13,500-26,500 lb | 6.1-12 metric tons. The Triceratops was released in .
Triceratops has a height of 9.5’-10.0’ | 2.9-3 m.
The Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m, width of 6.7’ | 2 m, and depth of .
The Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m, width of 6.7’ | 2 m, and depth of . The seat height of the Triceratops is set at with arms at .
The Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m, length of 26’-29.5’ | 7.9-9 m, and depth of .
The Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m, length of 26’-29.5’ | 7.9-9 m, and depth of . The seat height of the Triceratops is set at .
Triceratops have an overall length of 26’-29.5’ | 7.9-9 m and width of 6.7’ | 2 m. Triceratops have an overall area of .
The Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m, length of 26’-29.5’ | 7.9-9 m, and depth of . The Triceratops has a seat height set at and an arm height of .
The average Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m, withers (shoulder) height of , and body length of 26’-29.5’ | 7.9-9 m. A typical Triceratops weighs between 13,500-26,500 lb | 6.1-12 metric tons and has a lifespan of roughly .
The typical Triceratops has an overall height of 9.5’-10.0’ | 2.9-3 m and body length of 26’-29.5’ | 7.9-9 m. An average Triceratops weighs between 13,500-26,500 lb | 6.1-12 metric tons and has a typical lifespan of .
Triceratops has a width of 6.7’ | 2 m and height of 9.5’-10.0’ | 2.9-3 m.
The Triceratops has a height of 9.5’-10.0’ | 2.9-3 m, width of 6.7’ | 2 m, and a depth of . The Triceratops was released in .
Drawings of a Triceratops from the side, front, back, and aerial views
Triceratops were three-horned herbivorous dinosaurs that roamed during the late Cretaceous period (68-66 Mya). Combined with head plate, the horns of the Triceratops were used to protect them from predators. The Triceratops had a length between 26’-29.5’ | 7.9-9 m and stood 9.5’-10’ | 2.9-3 m tall.
Drawings of a Triceratops from the side, front, back, and aerial views
Triceratops

*Under Development*

Height:
9.5’-10.0’ | 2.9-3 m
Width:
6.7’ | 2 m
Length:
26’-29.5’ | 7.9-9 m
Depth:
Weight:
13,500-26,500 lb | 6.1-12 metric tons
Area:

Period: Late Cretaceous (68-66 million years ago)
Scientific Name: Triceratops

Drawings include:
Triceratops side elevation, front, back, plan

Details & Downloads
Ankylosaurus
Ankylosaurus has a width of and height of .
The Ankylosaurus has a height of , width of , and a depth of . The Ankylosaurus was released in .
The Ankylosaurus has a height of , width of , depth of , and weighs . The Ankylosaurus was released in .
Ankylosaurus has a height of .
The Ankylosaurus has an overall height of , width of , and depth of .
The Ankylosaurus has an overall height of , width of , and depth of . The seat height of the Ankylosaurus is set at with arms at .
The Ankylosaurus has an overall height of , length of , and depth of .
The Ankylosaurus has an overall height of , length of , and depth of . The seat height of the Ankylosaurus is set at .
Ankylosaurus have an overall length of and width of . Ankylosaurus have an overall area of .
The Ankylosaurus has an overall height of , length of , and depth of . The Ankylosaurus has a seat height set at and an arm height of .
The average Ankylosaurus has an overall height of , withers (shoulder) height of , and body length of . A typical Ankylosaurus weighs between and has a lifespan of roughly .
The typical Ankylosaurus has an overall height of and body length of . An average Ankylosaurus weighs between and has a typical lifespan of .
Ankylosaurus has a width of and height of .
The Ankylosaurus has a height of , width of , and a depth of . The Ankylosaurus was released in .
Size comparison of an Ankylosaurus and a human with dimensions
Size comparison of an Ankylosaurus and a human with dimensions
Ankylosaurus

*Under Development*

Height:
Width:
Length:
Depth:
Weight:
Area:
Details & Downloads
Pterodactyl
Pterodactyl has a width of and height of .
The Pterodactyl has a height of , width of , and a depth of . The Pterodactyl was released in .
The Pterodactyl has a height of , width of , depth of , and weighs . The Pterodactyl was released in .
Pterodactyl has a height of .
The Pterodactyl has an overall height of , width of , and depth of .
The Pterodactyl has an overall height of , width of , and depth of . The seat height of the Pterodactyl is set at with arms at .
The Pterodactyl has an overall height of , length of , and depth of .
The Pterodactyl has an overall height of , length of , and depth of . The seat height of the Pterodactyl is set at .
Pterodactyl have an overall length of and width of . Pterodactyl have an overall area of .
The Pterodactyl has an overall height of , length of , and depth of . The Pterodactyl has a seat height set at and an arm height of .
The average Pterodactyl has an overall height of , withers (shoulder) height of , and body length of . A typical Pterodactyl weighs between and has a lifespan of roughly .
The typical Pterodactyl has an overall height of and body length of . An average Pterodactyl weighs between and has a typical lifespan of .
Pterodactyl has a width of and height of .
The Pterodactyl has a height of , width of , and a depth of . The Pterodactyl was released in .
Drawing comparing the dimensions and size of a Pterodactyl to a man showing height and length
Drawing comparing the dimensions and size of a Pterodactyl to a man showing height and length
Pterodactyl

*Under Development*

Height:
Width:
Length:
Depth:
Weight:
Area:
Details & Downloads
Plesiosaurus
Plesiosaurus has a width of and height of .
The Plesiosaurus has a height of , width of , and a depth of . The Plesiosaurus was released in .
The Plesiosaurus has a height of , width of , depth of , and weighs . The Plesiosaurus was released in .
Plesiosaurus has a height of .
The Plesiosaurus has an overall height of , width of , and depth of .
The Plesiosaurus has an overall height of , width of , and depth of . The seat height of the Plesiosaurus is set at with arms at .
The Plesiosaurus has an overall height of , length of , and depth of .
The Plesiosaurus has an overall height of , length of , and depth of . The seat height of the Plesiosaurus is set at .
Plesiosaurus have an overall length of and width of . Plesiosaurus have an overall area of .
The Plesiosaurus has an overall height of , length of , and depth of . The Plesiosaurus has a seat height set at and an arm height of .
The average Plesiosaurus has an overall height of , withers (shoulder) height of , and body length of . A typical Plesiosaurus weighs between and has a lifespan of roughly .
The typical Plesiosaurus has an overall height of and body length of . An average Plesiosaurus weighs between and has a typical lifespan of .
Plesiosaurus has a width of and height of .
The Plesiosaurus has a height of , width of , and a depth of . The Plesiosaurus was released in .
Illustration comparing a Plesiosaurus to a human diver with dimensions drawn for overall height and length
Illustration comparing a Plesiosaurus to a human diver with dimensions drawn for overall height and length
Plesiosaurus

*Under Development*

Height:
Width:
Length:
Depth:
Weight:
Area:
Details & Downloads
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