Dinosaurs

Dinosaurs are a diverse group of prehistoric reptiles that were the dominant terrestrial animals of the Late Triassic (251.9-201.3 Mya), Jurassic (201.3-145 Mya), and Cretaceous (145-66 Mya) periods. Discovered and studied since the 19th century, dinosaur fossils found around the world have been used by paleontologists to identify over 1,000 different species of dinosaurs. Dinosaurs are commonly categorized by distinctive traits ranging from variations of bipedal (2 legs) or quadrupedal (4 legs), body armor or feathers, herbivorous or carnivorous, and quick or slow movement speeds. Though dinosaurs mysteriously disappeared 65 million years ago, their legacy continues to be popularized in museums, books, films and television.

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Dinosaurs

Animals

Dinosaurs

Animals
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. 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 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

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Length: 40’ | 12.3 m
Height (Head): 17’ | 5.2 m
Height (Hips): 12’-13’ | 3.7-4 m
Width: 6’ | 1.8 m
Weight: 18,500-30,800 lb | 8.4-14 metric tons
Period: Cretaceous (68-66 million years ago)
Scientific Name: Tyrannosaurus

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

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Spinosaurus
Comparison drawing of a Spinosaurus and a human with dimensions for height and length
Spinosaurus was a large carnivorous Cretaceous period dinosaur characterized by its large thin back spikes. A giant predator on both land and water, Spinosaurus has a length of 49’-51’ | 15-15.6 m, a head height of 16.5’ | 5 m, and an overall spine height of 21.5’ | 6.5 m.
Collection of drawings of a Spinosaurus from the front, back, side and plan views
Spinosaurus was a large carnivorous Cretaceous period dinosaur characterized by its large thin back spikes. A giant predator on both land and water, Spinosaurus has a length of 49’-51’ | 15-15.6 m, a head height of 16.5’ | 5 m, and an overall spine height of 21.5’ | 6.5 m.
Collection of drawings of a Spinosaurus from the front, back, side and plan views
Spinosaurus

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Length: 49’-51’ | 15-15.6 m
Height (Head): 16.5’ | 5 m
Height (Overall):
21.5’ | 6.5 m
Width:
5.7’ | 1.7 m
Weight: 14,100-15,900 lb | 6.4-7.2 metric tons
Period: Cretaceous (112-93.5 million years ago)
Scientific Name: Spinosaurus

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

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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 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 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

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Length: 26’-29.5’ | 7.9-9 m
Height: 9.5’-10’ | 2.9-3 m
Width: 6.7’ | 2 m
Weight: 13,500-26,500 lb | 6.1-12 metric tons
Period: Late Cretaceous (68-66 million years ago)
Scientific Name: Triceratops

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

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Brachiosaurus
Size comparison drawing of the Brachiosaurus to an average human with dimensions shown for length and height
Brachiosaurus was an extremely tall dinosaur that lived during the Late Jurassic. Built for browsing for foliage high above the ground surface, Brachiosaurus is characterized by its long neck and body resulting in a height of 31’-43’ | 9.4-13 m and a body length of 59’-69’ | 18-21 m.
Drawings of a Brachiosaurus from the side, front, back, and aerial
Brachiosaurus was an extremely tall dinosaur that lived during the Late Jurassic. Built for browsing for foliage high above the ground surface, Brachiosaurus is characterized by its long neck and body resulting in a height of 31’-43’ | 9.4-13 m and a body length of 59’-69’ | 18-21 m.
Drawings of a Brachiosaurus from the side, front, back, and aerial
Brachiosaurus

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Length: 59’-69’ | 18-21 m
Height: 31’-43’ | 9.4-13 m
Width: 8’-11’ | 2.4-3.4 m
Weight: 77,000-123,000 lb | 35-56 metric tons
Period: Late Jurassic (154-153 million years ago)
Scientific Name: Brachiosaurus

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

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Plesiosaurus

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

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Length: 30’ | 9.1 m
Height: 14’ | 4.3 m
Width: 6’ | 1.8 m
Weight: 11,700-15,400 lb | 5.3-7 metric tons
Period: Late Jurassic (155-150 million years ago)
Scientific Name: Stegosaurus

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

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Pterodactyl

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