Xiphactinus ( from Latin and Greek for "sword ray" ) is an extinct genus of large marine predary fish that existed in the late Cretaceous Period, between 99 and 65 million years ago.
Gigantosaurus, meaning "giant southern lizard", is a genus of giant "shark-toothed" dinosaurs that lived in what is now Argentina during the Late Cretaceous Period, approximately 100 - 97 million years ago. It included some of the biggest known terrestrial carnivores.
The name derives from the Ancient Greek "archaios" meaning "ancient", and "pteryx" meaning "feather" or "wing".
Archaeopteryx is the oldest known bird. It lived in the Late Jurassic, around 150 million years ago. Its fossilized
remains have been discovered in Bavaria, Southern Germany.
Archaeopteryx is a genus of small bird-like dinosaur, a transitional form between dinosaurs and birds. It had wings
covered with feathers very similar to modern-day bird feathers, and it could fly. On the other hand, it had jaws with a large number of sharp teeth, three fingers with claws, and a large bony tail, features it shared with other dinosaurs of the time.
Archaeopteryx was similar in size to a raven. It could grow to about 0.5 m in length, and weighed between 0.8 and 1 kg.
Flying reptiles and dinosaurs pics and images - Microraptor!
Giganotosaurus was the largest carnivore dinosaur 100 million years ago!
Dimetrodon was not and dinosaur! Reptiles before dinosaurs. Dimetrodon was a skilled predator, carnivore reptile. Used to live in what is today USA and Northern Europe
Tyrannosaurus rex ("tyrant lizard", from the Ancient Greek "tyrannos" meaning "tyrant" and "sauros" meaning "lizard" + "rex" meaning "king" in Latin, to reflect its dominant role in the world of dinosaurs) is one of the largest known land predators. It existed in the Upper Cretaceous Period, about 68 - 66 million years ago, in what is today North America.
Postosuchus was not a dinosaur, having a closer relationship to crocodiles. It was one of the largest carnivorous reptiles of the Triassic, reaching the length of 7 m and weight of 300 kg.
Pliosaurus means "more lizard" - its name is derived from Ancient Greek words "pleion" meaning "more" and "sauros" meaning "lizard" in reference to its shape which appears to be closer to lizards than to other dinosaurs.
Pliosaurus was a genus of large carnivorous marine reptiles that lived in the Late Jurassic Period, about 145 million years ago.
Shuvuuia was a chicken-sized dinosaur that lived in the Late Cretaceous period, between 85 and 75 million years ago. Its name comes from the Mongolian word for bird (Shuvuu).