**Archaeoceratops** Archaeoceratops is an extinct type of dinosaur that lived during the Early Cretaceous period, about 125 million years ago. This dinosaur was discovered in north central China. The name **Archaeoceratops** means “ancient horned face.” Even though its name suggests it had horns, Archaeoceratops did not have any horns. Instead, it had a large head …

Aratasaurus is an extinct type of dinosaur that lived during the Early Cretaceous period, around 115 million years ago. This dinosaur is a part of a group called theropods, which are known for their bipedal stance and often carnivorous habits. ### Discovery Aratasaurus was discovered in Brazil in 2008, in a place called the Romualdo …

Aralosaurus was a type of dinosaur that lived during the Late Cretaceous period, around 83.6 million years ago. It was found in what is now Kazakhstan, near the Aral Sea. **Discovery:** Aralosaurus was discovered in 1957 during a Soviet expedition. The remains included a part of its skull and some bones from its body, but …

Aragosaurus was a type of dinosaur that lived during the Early Cretaceous period, around 145 to 140 million years ago. This dinosaur was found in the province of Teruel, in the region of Aragón, Spain. The name “Aragosaurus” means “Aragon lizard.” Aragosaurus was a big dinosaur, about 18 meters long, which is about the size …

Arackar is an exciting dinosaur from the Late Cretaceous period, which existed about 83.6 to 66 million years ago. This dinosaur was discovered in Chile, specifically in the Hornitos Formation. The name “Arackar” means “skeleton” in the ancient Kunza language. It belongs to a family of dinosaurs known as sauropods, which were large, long-necked herbivores. …

Aquilops is a fascinating dinosaur that lived around 109 to 104 million years ago during the Early Cretaceous period. This little dinosaur was herbivorous, which means it ate plants. The name Aquilops comes from two words: “aquila,” which means eagle in Latin, and “ops,” which means face in Greek. This name highlights its beaked snout, …

Aquilarhinus is a type of dinosaur that lived during the Late Cretaceous period, which was a long time ago! This dinosaur belongs to a group called hadrosaurids, which were known for their unique features. The name Aquilarhinus means “eagle snout.” This name comes from the dinosaur’s interesting beak shape, which is different from other similar …

**Appalachiosaurus: A Dinosaur from the Past** Appalachiosaurus was a type of dinosaur that lived during the Late Cretaceous period, about 77 million years ago. This dinosaur was found in what we now call eastern North America, especially in central Alabama and parts of North Carolina and Georgia. The name “Appalachiosaurus” means “Appalachian lizard.” It was …

Apatosaurus is a fascinating genus of dinosaur that lived during the Late Jurassic period, around 152 to 151 million years ago. This incredible creature was a type of sauropod, which means it was one of the long-necked, herbivorous dinosaurs. The first species of Apatosaurus, called A. ajax, was named by a paleontologist named Othniel Charles …

Apatoraptor is a type of dinosaur that lived about 74 million years ago during the Campanian period. Its name means “deceptive thief,” and it belongs to a larger group of dinosaurs called caenagnathids. The only known species of this dinosaur is called Apatoraptor pennatus. Discovery The story of Apatoraptor begins in 1993 when a skeleton …