is for Allosaurus

Allosaurs are huge carnivores that are part of the theropods. Allosaurs are saurischians which are lizard hipped dinosaurs. Allosaurs lived 155 million years ago in the late Jurassic period. 

is for Brachiosaurus

Brachiosaurus is a saurischian which sized up to 100 feet in length and 40 feet in height.

is for Ceratosaurus

Ceratosaurus is a medium sized carnivore that lived in the Jurassic period from 161 million years ago to 145 million years ago. Ceratosaurs would eat anything their size or smaller.

is for Diplodocus

Diplodocus was a gigantic sauropod that lived during the late Jurassic and were preyed on by only when they were juveniles by Allosaurs and other big meat eaters.

is for Eoraptor

Eoraptor was one of the first dinosaurs. They lived in the early Triassic period. They mainly ate small reptiles and insects, as well as ferns and other plants.

is for Fukuiraptor

Fukuiraptors are similar to tigers. Silent, but deadly. They are also similar in size, Fukuiraptors are around 14 feet long, while tigers are around 11 feet long. Both creatures are also very fast.

is for Gigantosaurus

Giganotosaurus was the second biggest meat eating dinosaur of all time at 55 feet long.

is for Herrerasaurus

Hererrasaurus was the longest dinosaur of it's time. At 16 feet long, it outsized Eoraptor, Nyasasaurus, and other Triassic creatures.

is for Iguanadon

Iguanodon had a thumb spike which was most likely used for stripping leaves and perhaps even for defense.

is for Juravenator

Juravenator was a small dinosaur that lived near the end of the Jurassic period. It is notable for being one of the most complete dinosaur specimens from the limestone deposits where it was found.

Size Comparison

is for Kentrosaurus

Kentrosaurus was similar to Stegosaurus, the only difference being that Kentrosaurs had a big spike coming out of their thighs, while Stegosaurus had a bigger body.

is for Lesothosaurus

Size Comparison

Lesothosaurus was a small dinosaur from Lesotho. It was about as tall as the average human's knee. 

is for Mosasaurus

Mosasaurs were the sharks of the Cretaceous. At 72 feet long they terrorized other marine reptiles. Their jaw could swallow a human whole.

is for Nodosaurus

Nodosaurus was kind of like a prehistoric armadillo. Nodosaurus is part of the ornithischians. Nodosaurus is a armored dinosaur with a wrecking ball tail.

is for Oxilaia

Oxilaia is kind of half dinosaur, half sea serpent. It is similar to Spinosaurus and has a huge sail like structure. It's tail was thick and strong. Oxilaia's tail was probably used for swimming.

is for Protognathosaurus

Protognathosaurus is a sauropod that roamed in China. It was 66 feet long and lived in the late Jurassic.