Amazonsaurus is a type of dinosaur that lived during the Early Cretaceous Period, about 125 to 100 million years ago. It was discovered in South America and is part of a family of large herbivorous dinosaurs known as sauropods. Amazonsaurus was a quadrupedal creature, meaning it walked on all four legs. It had a long …

Amargatitanis is a type of dinosaur that lived a long time ago, around 129 to 123 million years ago, during the Early Cretaceous period. This dinosaur is special because it belongs to a family called Dicraeosauridae, which is known for short-necked, smaller long-necked dinosaurs. Amargatitanis was discovered in Argentina, specifically in the La Amarga Formation, …

**Amargasaurus: An Amazing Dinosaur from the Early Cretaceous** Amargasaurus is a type of dinosaur known as a sauropod. These dinosaurs lived during the Early Cretaceous period, about 129 to 122 million years ago, in what is now Argentina. It was discovered in 1984, and researchers have learned a lot from the nearly complete skeleton that …

Amanzia is a type of dinosaur that lived around 157 million years ago during the Late Jurassic period. It is a member of the sauropod dinosaurs, which are known for their long necks and massive bodies. Amanzia was discovered in Switzerland, specifically in a place called the Reuchenette Formation. The only species identified so far …

Amanasaurus is a fascinating dinosaur from a long time ago. It lived during the Late Triassic period, around 233 million years ago. This dinosaur was found in Brazil, specifically in a region called Rio Grande do Sul. The name “Amanasaurus” means “rain lizard.” It was given this name because it lived during a time when …

**Alxasaurus: The Alxa Lizard** Alxasaurus is a type of dinosaur that lived a long time ago during the Early Cretaceous period, about 113 to 100 million years ago. This dinosaur was discovered in the Bayin-Gobi Formation in Inner Mongolia, and its name means “Alxa lizard.” The first fossils of Alxasaurus were found between August 21 …

**Alwalkeria: An Extinct Dinosaur from the Late Triassic** Alwalkeria is an extinct type of dinosaur that lived during the Late Triassic period, around 228 million years ago. It is known from fossils found in the Lower Maleri Formation in India. The name Alwalkeria was created in 1994 by scientists Sankar Chatterjee and Ben Creisler to …

Alvarezsaurus is a type of dinosaur that lived during the Late Cretaceous period, around 86 to 83 million years ago. This small dinosaur was discovered in Argentina. Alvarezsaurus measured about 1 to 1.4 meters long, which is around 3.3 to 4.6 feet. It weighed approximately 3 kilograms, similar to the weight of a small dog. …

Altispinax is a type of large, meat-eating dinosaur that lived during the Early Cretaceous period, around 140 to 133 million years ago. Its fossils were found in the Wadhurst Clay Formation in East Sussex, England. Let’s break down what we know about Altispinax: **History of Discovery** In the early 1850s, a fossil collector named Samuel …

Altirhinus is a type of dinosaur that lived during the Early Cretaceous period, around 125 to 100 million years ago. This dinosaur was discovered in Mongolia, and its name means “high nose.” **Discovery History** The remains of Altirhinus were found in 1981 during a collaboration between Soviet and Mongolian scientists. The fossils were located in …