Abelisaurus means "Abel's Lizard." It lived during the late Cretaceous period. It was a carnivore that had heavy teeth.

Achelousaurus means "Achelou's Lizard." It was a herbivore that lived during the late Cretaceous period. It had an oval horn on its nose.

Acrocanthosaurus means "high spined lizard." It lived during the late Cretaceous period. It was a carnivore in the Allosaurus family.

Afrovenator means "African hunter." It lived during the Early Cretaceous period. It was a carnivore from the Megalosaurus family.

Albertaceratops means " Alberta horned face". It lived during the Late Cretaceous period. It had two spikes on its frill and was a herbivore.

Albertosaurus lived during the late Cretaceous period. Its name means “Lizard from Alberta.” It was a carnivore that was found in Alberta, Canada.

Allosaurus lived during the late Jurassic period. Its name means “different lizard.” It was a carnivore and it was a cousin to the T-Rex.

Amargasaurus was found in South America. It means " Lizard from La Amarga". It was a herbivore and lived during the Early Cretaceous period.

Ampelosaurus means " Vine lizard". It lived during the Early Jurassic period. It was a herbivore. It had spikes like an Ankylosaur.

Ankylosaurus means "stiff lizard." It had armor. It lived during the Late Cretaceous period. It was a herbivore.

Apatosaurus lived during the late Jurassic period. Its name means deceptive lizard.” It was a herbivore, It was only found in the USA.

Archaeopteryx means "ancient feather." It lived during the Late Jurassic period. It was a carnivore and was not a dinosaur. It was a bird.

Argentinosaurus means " Argentina lizard". It lived during the late Cretaceous period. It was a herbivore and the biggest dinosaur ever found.

Baryonx had a thumb claw that was more than one foot long. Its name means “heavy claw.” It lived during the early Cretaceous period. It ate fish.

Brachiosaurus had a long neck. Its name means “arm lizard.” It lived during the late Jurassic period. It was a herbivore that ate from high trees.

Brachyceratops lived during the late Cretaceous period. It was a herbivore. Its named means “short-horned face” but it only had one horn.

Brachylophosaurus is known as the short crested lizard. It lived during the late cretaceous period. It was a herbivore and was a non-crested hadrosaur.

Camarasaurus means "chambered lizard." It lived during the Late Jurassic period. It was an herbivore and had holes in its vertebrae.

Carcharodontosaurus was a carnivore. It lived during the Late Cretaceous period. Its name means "shark-toothed reptile." It had a skull as big as a person.

Carnotaurus means "meat-eating bull lizard." It lived during the late cretaceous period. It was a carnivore and a fast theropod.

Ceratosaurs lived during the late Jurassic period. Its name means “horned lizard.” It was a carnivore and had a flexible tail so it could catch fish.

Chasmosaurus means "opening lizard." It lived during the Late Cretaceous period. It was a herbivore. It was smaller than its bigger cousin, the Triceratops.

Corythosaurus lived during the late Cretaceous period. Its name means “helmet lizard.” It was a herbivore. It hooted sounds through its crest. It could be as loud as a siren.

Cryolophosaurus lived during the early Jurassic period. Its name means “frozen-crested reptile.” It was a carnivore. It was found in Antarctica.

Daspletosaurus means "frightful reptile." It lived during the Late Cretaceous period. It was a carnivore. It was a ferocious dinosaur related to the T-Rex.

Deinonychus means "terrbile claw." It lived during the Cretaceous period. It was a very fast carnivore.

Dilophosaurus was a carnivore. Its name means “two-crested lizard.” It lived during the early Jurassic period. It had two crests and was bipedal.

Diplodocus was a herbivore. Its name means “double-beam.” It lived during the late Jurassic period. It couldn’t lift its neck very high.

Dracorex was a herbivore. Its name means “dragon king.” It lived during the late Cretaceous period. It had a flat skull.