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SAICHANIA
SALTASAURUS
SALTOPUS
SARCOLESTES
SARCOSAURUS
SAUROLOPHUS
SAUROPELTA
SAUROPLITES
SAURORNITHOIDES
SAURORNITHOLESTES
SCELIDOSAURUS
SCUTELLOSAURUS
SECERNOSAURUS
SEGISAURUS
SEGNOSAURUS
SEISMOSAURUS
SHAMOSAURUS
SHANSHANOSAURUS
SHANTUNGOSAURUS
SILVISAURUS
SINOSAURUS
SPINOSAURUS
STAURIKOSAURUS
STEGOCERAS
STEGOSAURUS
STENOPELIX
STOKESOSAURUS
STRUTHIOMIMUS
STRUTHIOSAURUS
STYGIMOLOCH
STYRACOSAURUS
SUPERSAURUS
SYNTARSUS
 
SAICHANIA
Pronunciation: sye-CHAY-nee-ah  
Translation: Beautiful One
Also Known As:
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Thyreophora
Infraorder: Ankylosauria
Family: Ankylosauridae
Height: 8 feet (2.4 meters)
Length: 23 feet (7 meters)
Weight:
Period: Late Cretaceous


Notes: Saichania's fossil remains were found in southern Mongolia with much of its armor plating still in position. Best known of the Asian ankylosaurs, Saichania had a bony club on the end of its tail. Its neck, back, and stomach were covered by rows of spikes and knobs on bony plates.


SALTASAURUS
Pronunciation: salt-uh-SAWR-us  
Translation: Salta Lizard
Also Known As:
Description: Herbivore, Quadrupedal
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Sauropoda
Family: Titanosauridae
Height: 16 feet (4.9 meters)
Length: 40 feet (12.2 meters)
Weight:
Period: Late Cretaceous


Notes: The first sauropod known to be armored, Saltasaurus was found in Argentina. Its broad back and sides were guarded by small bony studs and several bony plates.


SALTOPUS
Pronunciation: sal-TOH-pus  
Translation: Leaping Foot
Also Known As:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Family:
Height: 12 inches (0.3 meters)
Length: 24 inches (0.6 meters)
Weight: 2 pounds (0.9 kg)
Period: Late Triassic


Notes: Found in Scotland, Saltopus may be the oldest European dinosaur. Similar in build to Procompsognathus but much smaller and lighter, it was not as tall as a domestic cat and weighed as little as two pounds. This tiny predator snatched prey with five-fingered hands - a primitive feature, although the fourth and fifth fingers were tiny. Its hip/backbone arrangement was more advanced than Procompsognathus and formed a fairly solid anchor for the long running legs.


SARCOLESTES
Pronunciation: sar-ko-LESS-teez  
Translation: Flesh Robber
Also Known As:
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Thyreophora
Infraorder: Ankylosauria
Family: Nodosauridae
Height: 6 feet (1.8 meters)
Length: 18 feet (5.5 meters)
Weight:
Period: Middle Jurassic


Notes: Found in England, Sarcolestes is the oldest known armored dinosaur, protected by bony plates, slabs, and spikes. The logic behind Sarcolestes' misleading name is unknown.


SARCOSAURUS
Pronunciation: SAR-ko-SAWR-us  
Translation: Flesh Lizard
Also Known As:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Ceratosauria
Family:
Height: 5 feet (1.5 meters)
Length: 11 feet (3.4 meters)
Weight:
Period: Early Jurassic


Notes: Known only from fragmentary remains, this lightly built, two-legged predator was discovered in England.


SAUROLOPHUS
Pronunciation: SAWR-OL-o-fus  
Translation: Crested (or Ridged) Lizard
Also Known As:
Description: Herbivore, Bipedal
Order: Ornithischia
Suborder: Ornithopoda
Infraorder: Iguanodontia
Family: Hadrosauridae
Height: 17 feet (5.2 meters)
Length: 31.8 feet (9.7 meters)
Weight:
Period: Late Cretaceous


Notes: Found in North America and China, this duck-billed dinosaur had a bony spike projecting from the back of its head. Saurolophus is well-known from very complete remains, including skin casts.


SAUROPELTA
Pronunciation: SAWR-oh-PEL-tah  
Translation: Lizard Shield
Also Known As:
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Thyreophora
Infraorder: Ankylosauria
Family: Nodosauridae
Height: 8 feet (2.4 meters)
Length: 24 feet (7.3 meters)
Weight: 6,000 pounds (2,720 kg)
Period: Early Cretaceous


Notes: Sauropelta was one of the earliest known nodosaurs from North America. It is the one of the most numerous members of the nodosaur family of ankylosaurs, many specimens having been recovered.


SAUROPLITES
Pronunciation: SAWR-uh-PLY-teez  
Translation: Stone-like Lizard, or Lizard Hoplite
Also Known As:
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Thyreophora
Infraorder: Ankylosauria
Family:
Height: 6 feet (1.6 meters)
Length: 18 feet (5.5 meters)
Weight:
Period: Early Cretaceous


Notes: Discovered in China and Mongolia, Sauroplites is one of the oldest known ankylosaurids. (Tianchisaurus from the Middle Jurassic is currently the earliest ankylosaurid.)


SAURORNITHOIDES
Pronunciation: SAWR-or-nih-THOY-deez  
Translation: Bird-like Lizard
Also Known As:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Tetanurae
Micro-order: Maniraptora (of the microorder Coelurosauria)
Family: Troödontidae (not confirmed)
Height: 3 feet (0.9 meters)
Length: 6.5 feet (2 meters)
Weight: 120 pounds (54.4 kg)
Period: Late Cretaceous





Notes: Found in Mongolia, Saurornithoides was one of the most intelligent dinosaurs based upon its brain-weight to body-weight ratio. The fact that its eyes are situated pointing forward hints that, like many modern animals, Saurornithoides may have had stereoscopic vision, a characteristic that would have helped it to judge distance. Saurornithoides is very similar in many ways to Troödon, which lived in Western North America during the Cretaceous Period.


SAURORNITHOLESTES
Pronunciation: SAWR-or-NITH-uh-les-teez  
Translation: Lizard Bird-Robber
Also Known As:
Description: Carnivore, Bipedal
Order: Saurischia
Suborder: Theropoda
Infraorder: Tetanurae
Micro-order: Maniraptora (of the microorder Coelurosauria)
Family: Dromaeosauridae (not confirmed)
Height: 3 feet (0.9 meters)
Length: 6 feet (1.8 meters)
Weight:
Period: Late Cretaceous


Notes: Found in Alberta, Canada, this agile and powerful predator had grasping hands with sharp claws, and perhaps a large switch- blade-like second-toe claw.


SCELIDOSAURUS
Pronunciation: skel-EE-doe-SAWR-us  
Translation: Ribbed Lizard
Also Known As:
Description: Herbivore, Quadrupedal
Order: Ornithischia
Suborder: Thyreophora
Family: Scelidosauridae
Height: 5 feet (1.5 meters)
Length: 13 feet (4 meters)
Weight:
Period: Early Jurassic


Notes: Found in America, England, and China, Scelidosaurus is one of the earliest known thyreophorans. It was an armored dinosaur thought by some to be capable of making brief runs on its two hind feet.


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