[DOC] [TLE] Jurassic Period Facts: Dinosaurs, Mammals, Plants - Live Science [PAR] Apr 15, 2013 ... The Jurassic Period was when reptiles ruled and the continents as we know them 
began to drift together. ... for diversification and dominance of the reptiles known 
as dinosaurs. ... By the beginning of the Jurassic, plant life had evolved from ... 
Allosaurus was one of the most common Carnosaurs in North... [DOC] [TLE] Allosaurus - Wikipedia [PAR] Allosaurus is a genus of large theropod dinosaur that lived 155 to 150 million 
years ago during the late Jurassic period (Kimmeridgian to early Tithonian). ... 
Allosaurus fragilis, the best-known species, had an average length of 8.5 m (28 ft)
, ... (33.3 in) for a skull belonging to an individual he estimates at 7.9 m (26 ft) 
long. [DOC] [TLE] Stegosaurus - Wikipedia [PAR] Stegosaurus is a genus of armored dinosaur. Their fossil bones have been found 
in rocks ... One species, Stegosaurus ungulatus, is the largest known of all the .... 
This is probably the most common arrangement in illustrations, especially earlier 
..... late into the Cretaceous Period, long after Stegosaurus had become extinct. [DOC] [TLE] Dinosaurs | Britannica.com [PAR] The biggest dinosaurs may have been more than 130 feet (40 meters) long. ... 
ceratopsian dinosaur that had a frill of bone at the back of its skull and three ... 
date to the final 3 million years of the Cretaceous Period (145.5 million to 65.5 ... 
ago during the Late Jurassic Period; they are best known from fossils found in the
... [DOC] [TLE] Types of Dinosaurs | American Museum of Natural History [PAR] For example, many more kinds of Late Cretaceous dinosaurs are known than ... 
Some weighed as much as 80 tons and were more than 120 feet long. ... This 
selection of dinosaurs has been arranged by the geologic time period in ... An 
intimidating carnivore, Allosaurus reigned as one of the Late Jurassic's top 
predators. [DOC] [TLE] The Ultimate Guide to Jurassic Period Dinosaurs | Exploring Lifes ... [PAR] Oct 2, 2014 ... The most well-known and publicized period of the three dinosaur times is ... It is a 
common misconception that during the Jurassic period that the ... For dinosaurs 
in the Sauropod family, they also had hollows in their ..... 2 ft (60 cm) tall, and the 
spikes on its tail were about 3 ft 3 in (1 m) long to hit attackers. [DOC] [TLE] Dinosaurs (The New Book of Knowledge) | Scholastic News Edition 4 [PAR] Like modern reptiles, most dinosaurs had scaly skins. .... North America show that 
this fierce predator was 40 feet (12 meters) long. ... Other meat-eating dinosaurs 
of the Cretaceous period may have been even ... Common during the late 
Jurassic was the best-known member of the ... It was only about 3 feet (1 meter) 
long. [DOC] [TLE] List of State Fossils - FossilEra.com [PAR] It's rare fossils can be found in the Jurassic aged Morrison Formation of Colorado
. ... The state stone, err fossil is agatized coral and the most commonly found type 
found .... that have been found it is probably the best known dinosaur of the 
Triassic. .... It's skull could reach up to 3 feet in length with backwardly curving 
teeth. [DOC] [TLE] Tyrannosaurus Rex, Dinosaur Pictures, Dinosaur Facts - National ... [PAR] Learn all you wanted to know about Tyrannosaurus rex and other dinosaurs with 
... predator, from its thick, heavy skull to its 4-foot-long (1.2-meter-long) jaw, was 
... T. rex's serrated, conical teeth were most likely used to pierce and grip flesh, ... 
lived in forested river valleys in North America during the late Cretaceous period. [DOC] [TLE] Late Jurassic Dinosaurs - ZoomDinosaurs.com - Enchanted Learning [PAR] Ceratosaurus - a 15 to 20 feet long (4.5 to 6 m) long meat-eater from the western 
USA and Tanzania ... Dryosaurus - Late Jurassic to early Cretaceous, 156-145 
million years ago - a speedy herbivore (an ornithischian) up to 10 feet (3 m) long. 
... Sanpasaurus

Question: Probably the most common & best known carnivore of the late Jurassic period, it had a 3-foot-long skull
Answer: Allosaurus