12 Awesome Dinosaurs you must know about them || top 10 dinosaurs|| Argentinosaurus,Brachiosaurus,Allosaurus, Coelopysis,Ankylosaurus,dilphosarurs, triceratops and qurtzalcoatlus.

What is dinosaurs ??
Dinosaurs are prehistoric reptiles that have lived on earth from about 245 millions year ago to the present morden birds are one kind of dinosaurs because they share a common ancestor with non-avian dinosaur.
The feature that distinguish dinosaurs from other reptiles is a hole in the hip socket ; which allowed dinosaurs to walk upright Pterosaurus or flying reptiles , and Plesiosaurus , ocean; dwelling reptiles did not have this feature and we're not dinosaurs.

Now let's know about 12 Awesome Dinosaurs you must know

1] ARGENTINOSAURUS--
Argentinosaurus is a genius of titanosaur sauropod by Guillermo Heredia in Argentina. The generic name refers to the country in which it was discovered. The dinosaur lived on the island continent of South America somewhere around 97-94 million years ago .
2] BRACHIOSAURUS--
Brachiosaurus is the name sake ginues of the Brachiosauridae , which inc a handful of another similar sauropods . Much of what is known by laypeople about Brachiosaurus is in fact based on Giraffatitan bracai , a species of Brachiosaurid dinosaur from the tendaguru Formation of Tanzania that was originally described by German paleontologist Werner Janensch as a species of Brachiosaurus.
3] ALLOSAURUS--
ALLOSAURUS was a large bipedal predator. It's skull was large and equipped with dozens of large sharp teeth . It averaged 8.5 meters (28 ft) in length , thought fragmentary remains suggest it could have reached over 12 metres (39 ft) .
4]  COELOPYSIS--
Coelopysis meaning "hollow form " in reference to it's hollow bones is one of the earliest known genera of dinosaurs .
It was small, carnivorous biped that lived during the late Triassic of the South Western United States , with scattered material representing similar Animals to Coleophysis found world wide in some late Triassic and early Jurassic formation.
5] ANKYLOSAURUS--
Ankylosaurus was named as the type of genius of the family Ankylosaurus . Ankylosaurus are members of the large taxon Ankylosauria , which also contains the nodosaurids.
6] DILPHOSARURS--
Dilphosarurs was a theropod dinosaur from the sinemurian stage of the early Jurassic Period , about 193 million years ago . The first specimens were described in 1954 , but it was not until over a decade later that the genus received it's current name .
7] VELOCIRAPTOR--
Velociraptor is one of the dinosaur genera most familiar to general public due to its prominent role in the Jurassic Park motion picture series . In the Film it was shown with anatomical inaccuracies , including being much larger than it was in reality and without feathers. 
8] CERATOSAURUS--
Ceratosaurus , at first glance looked like a fairly typical theropod , however it's skull was quite large in proportion to the rest of it's body and possessed a prominent nose horn formed from protuberance of the nasal bones . In addition to large nasal horn like ridges in front of each eyes, similar to those of Allosaurus ,these ridges were formed by enlargement of the lacrimal bones .
9] THERIZIOSAURUS--
Theriziosaurus , though the fossil remains of Theriziosaurus , interfaces can be made about thier physical characteristics based on related theriziosaurids . Like other members of their family , Theriziosaurus probably had small skulls atop long neck, with bipedal gaits and heavy , deep , broad bodies. 
10] QURTZALCOATLUS--
Skull material shows that Qurtzalcoatlus had a very sharp and pointed beak , contrary to some earlier reconstructions that showed a blunter snout , based on the inadvertent inclusion of jaw material from another pterosaur species , possibly a tapejarid or a form related to Tupuxuara.
11] TRICERATOPS--
Triceratops is one of the most recognisable of all dinsourus and the best known ceratopsid . It shared the landscape with and was preyed upon by the fearsome Tyrannosaurus , though it is less certain that the two did battle in the manner often depicted in traditional museum displays and popular images .
12] STEGOSAURUS--
Stegosaurus is a genius of armored stegosaurid dinsoaur . They lived during the late Jurassic Period some 155 to 150 million years ago in what is now Western North America . Due to its distinctive tail spikes and plates, Stegosaurus is one of the most recognisable dinosaurs.

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