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.

Agustinia lived during the Middle Cretaceous Period. Its name means "For Agustin". It lived in South America and it had spikes on its back.

Alanqa lived during the Middle Cretaceous Period in Africa. Its name means "phoenix" in Arabia. It was only named in 2010.

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.

Avaceratops means "Ava's Horned Face" It lived during the Late Cretaceous Period. It was around 8 feet long and it was named after the wife of the person who found it.

Barapasaurus means "Big Legged Lizard". It lived in the Early Jurassic period. It was around 50 feet long.

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.

Centrosaurus means "High Pointed Lizard" because of its long horn on its nose. It was around 20 feet long and it lived during the Late Cretaceous Period about 75 mya. It lived in Canada and was preyed on by Albertosaurus and Daspletosaurus.

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.

Chirostenotes lived during the Late Cretaceous Period, 66 million years ago. It means "narrow handed". It was an oviraptorasaur, which containes Oviraptor and Gigantoraptor.

Compsognathus lived during the Jurassic Period. It was only 3 feet long and weighed only 6 lbs. Its name means "elegant jaw". It was famous for its role in "Jurassic Park 2: The Lost World".

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 "terrifying lizard." 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.

Diceratops means "Two Horned Face." It lived during the late Creataceous Period 68 mya. It was 30 feet long and 8 feet tall.

Diceraeosaurus lived during the Late Jurassic Period, around 150 mya. It was 66 feet long.Its name means "Forked Lizard" It also lived in Africa.

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

Dimorphodon means "Two Form Tooth". It was one of the smaller pterosaurs at a foot wingspan. It lived during the Jurassic Period and it ate fish.

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.

Dreadnoughtus means "Fears Nothing". It was an herbivore. It was around 85 feet long and it lived during the Cretaceous Period. It was only discovered in 2014.