GALLIMIMUS
GARUDIMIMUS
GASOSAURUS
GENYODECTES
GERANOSAURUS
GOYOCEPHALES
GRAVITHOLUS
GRYPOSAURUS
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GALLIMIMUS
Pronunciation: gal-uh-MY-mus 
Translation: Chicken Mimic
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Tetanurae
Superfamily: Ornithomimosauria
(of the microorder Coelurosauria)
Family: Ornithomimidae
Height: 11 feet (3.4 meters)
Length: 18 feet (5.5 meters)
Weight: 260 pounds (118 kg)
Period: Late Cretaceous
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Notes: Found in southern Mongolia, Gallimimus is the largest
ornithomimid to be discovered, and the only one for which a
good skull has been recovered. The skull reveals that Gallimimus'
snout was like that of a modern-day goose -- flattened at the end.
Its neck was long and mobile, suggesting the ostrich, which it
resembles. Its hands were thin and probably too weak for
strong grasping.
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GARUDIMIMUS
Pronunciation: gah-RUE-dih-my-mus
Translation: Garuda (a mythological bird) Mimic
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Tetanurae
Superfamily: Ornithomimosauria
(of the microorder Coelurosauria)
Family: Garudimimidae
Height: 7 feet (2.1 meters)
Length: 11.8 feet (3.6 meters)
Weight:
Period: Late Cretaceous
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Notes: Garudimimus was found in southern Mongolia. Like other
ornithomimids, it resembled the modern day ostrich. Unlike them,
it had more toes (4) and backward-pointing horns above its eyes.
Garudimimus predates other ornithomimosaurs.
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GASOSAURUS
Pronunciation: GAS-uh-SAWR-us
Translation: Gas Lizard
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Tetanurae (not confirmed)
Micro-order: Carnosauria
Family:
Height:
Length: 12 feet (3.5 meters)
Weight:
Period: Middle Jurassic
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Notes: Known from fragmentary remains, Gasosaurus is thought
to be a small carnosaur. It was named for the natural gas company
employees in China who discovered it.
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GENYODECTES
Pronunciation: jen-ee-o-DEK-teez
Translation: Biting Jaw
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda (not confirmed)
Family:
Height:
Length:
Weight:
Period: Late Cretaceous (not confirmed)
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Notes: Found in Argentina, this dinosaur is known from fragmentary
skull remains, characteristics of which are similar to Carnotaurus.
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GERANOSAURUS
Pronunciation: jer-AN-uh-SAWR-us
Translation: Crane Lizard
Also known as:
Description: Herbivore, Bipedal
Order: Ornithischia
Suborder: Ornithopoda
Family: Heterodontosauridae
Height: 2 feet (0.6 meters)
Length: 4 feet (1.2 meters)
Weight:
Period: Early Jurassic
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Notes: Discovered in South Africa, Geranosaurus possessed
front teeth that were larger than the rest of its teeth, as well as
canine teeth.
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GOYOCEPHALE
Pronunciation: GOY-uh-SEF-uh-le
Translation: Decorated Head
Also known as:
Description: Herbivore, Bipedal
Order: Ornithischia
Suborder: Marginocephalia
Infraorder: Pachycephalosauria
Family: Homalocephalidae
Height:
Length: 9.8 feet (3 meters)
Weight:
Period: Late Cretaceous
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Notes: This homalocephalid is thought to be one of the oldest of
the "bone-headed" dinosaurs.
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GRAVITHOLUS
Pronunciation: GRA-vih-tho-luse
Translation: Heavy Dome
Also known as:
Description: Herbivore, Bipedal
Order: Ornithischia
Suborder: Marginocephalia
Infraorder: Pachycephalosauria
Family: Pachycephalosauridae
Height: 6 feet (1.8 meters)
Length: 9 feet (2.7 meters)
Weight:
Period: Late Cretaceous
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Notes: Gravitholus was discovered in Alberta, Canada. Its skull
was wider and thicker than Stegoceras.
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GRYPOSAURUS
Pronunciation: GRYE-puh-SAWR-us
Translation: Griffin Lizard
Also known as:
Description: Herbivore, Bipedal
Order: Ornithischia
Suborder: Ornithopoda
Infraorder: Iguanodontia
Family: Hadrosauridae
Height:
Length: 26.2 feet (8 meters)
Weight:
Period: Late Cretaceous
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Notes: Gryposaurus, a duck-billed dinosaur, is one of the few
for whom skin casts have been found. The skin cast reveals its
skin to have been covered with smooth scales less than a quarter
of an inch (0.5 cm) in size.
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