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IGUANODON
INDOSAURUS
INDOSUCHUS
INGENIA
ISCHISAURUS
ITEMIRUS

 
IGUANODON
Pronunciation: ig-WAN-oh-don  
Translation: Iguana-tooth
Also known as:
Description: Herbivore, Bipedal
Order: Ornithischia
Suborder: Ornithopoda
Infraorder: Iguanodontia
Family: Iguanodontidae
Height: 16 feet (4.9 meters)
Length: 26 feet (7.9 meters)
Weight: 10,000 pounds (4,536 kg)
Period: Early Cretaceous


Notes: Iguanodon is one first dinosaurs to be named and described, the other two being Megalosaurus and Hylaeosaurus. It received its name from the fact that it had teeth resembling those of modern Iguana lizards, although much larger. Iguanodon sported a spiked thumb on each hand, and it is thought that the spike served as a weapon of defense. Several dozen specimens were discovered together in Belgium, suggesting that these dinosaurs traveled in herds. Foot prints of Iguanodon have been found from England to Spitzbergen to north of the Arctic Circle.


INDOSAURUS
Pronunciation: in-doe-SAWR-us  
Translation: Indian Lizard
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Ceratosauria
Family: Abelisauridae (not confirmed)
Height: 20 feet (6.1 meters)
Length: 36 feet (11 meters)
Weight:
Period: Late Cretaceous


Notes: Fragmentary remains, including a massive, thick braincase, were found in central India.


INDOSUCHUS
Pronunciation: in-doe-SOOK-us  
Translation: Indian Crocodile
Also known as:
Description:
Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Ceratosauria
Family: Abelisauridae (not confirmed)
Height: 16 feet (4.9 meters)
Length: 32 feet (9.8 meters)
Weight:
Period: Late Cretaceous


Notes: Fragmentary remains were found in central India. This dinosaur resembled Tyrannosaurus but was smaller and more primitive, with shorter, sharply tapered teeth.


INGENIA
Pronunciation: in-JEEN-ee-ah  
Translation: Ingenia (Mongolia) Lizard
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Tetanurae
Micro-order: Maniraptora (of the microorder Coelurosauria)
Superfamily: Oviraptorosauria
Family: Oviraptoridae
Height: 2 feet (0.6 meters)
Length: 4.6 feet (1.4 meters)
Weight: 80 pounds (36.3 kg)
Period: Late Cretaceous


Notes: Ingenia was a small, delicately built predator with a toothless jaw and a beak like other members of the oviraptorid family.Discovered in Mongolia, oviraptorids are very rare in North America but in the Western Gobi they are one of the most common dinosaurs found. The fact that its hands were more powerfully built than those of other oviraptorids suggest that it may have had the ability to grasp a greater variety of foods than other small, toothless carnivores of its time.


ISCHISAURUS
Pronunciation: ISH-ee-SAWR-us  
Translation: Ischigualasto
(a rock formation) Lizard
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Ceratosauria
Family: Herrerasauridae
Height: 4 feet (1.2 meters)
Length: 6.8 feet (2.1 meters)
Weight: Period: Late Triassic


Notes: One of the earliest of dinosaurs, Ischisaurus lived in northwest Argentina and resembled Herrerasaurus. There is speculation that Ischisaurus may actually be the same genus as Herrerasaurus.


ITEMIRUS
Pronunciation: eye-TIM-ih-rus  
Translation: Itemri (Mongolian site) Lizard
Also known as:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Family:
Height:
Length:
Weight:
Period: Late Cretaceous


Notes: Fragmentary remains of the skull were discovered in Mongolia. The size of the semicircular canals (which are responsible for balance) suggest that Itemirus and other bipeds may have used their ears more for balance than for hearing. Some features on the remains point to both dromaeosaurids and tyrannosaurids.



 

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