Anoplosaurus is an extinct type of dinosaur that lived a long time ago, around 100 million years ago, during the late Albian period of the Lower Cretaceous. It was found in Cambridgeshire, England, and belonged to a group of dinosaurs known as nodosaurids, which were plant-eaters. The name Anoplosaurus means “unarmed lizard.” This name comes …

Anomalipes is a type of dinosaur that lived during the Late Cretaceous period, which was around 77.3 to 73.5 million years ago. This dinosaur is part of a group called oviraptorosaurs, which are known for their unique characteristics. Anomalipes is special because it has an unusual foot shape. The name “Anomalipes” comes from two words: …

**Anodontosaurus: A Unique Dinosaur** Anodontosaurus is a type of dinosaur that lived during the Late Cretaceous period, around 75 to 67 million years ago. It is part of a group called ankylosaurs, which are known for their heavy armor and club-like tails. **Where Did It Live?** Anodontosaurus fossils have been found mainly in southern Alberta, …

**Ankylosaurus: The Armored Dinosaur** Ankylosaurus is a famous dinosaur that lived around 68 to 66 million years ago during the Late Cretaceous period. It roamed what is now western North America. Ankylosaurus is known for its body armor, which helped protect it from predators. **The Name and Classification** The name Ankylosaurus comes from Greek, meaning …

Ankistrodon is a type of ancient reptile from the Early Triassic period, which was about 252 to 247 million years ago. It was found in India, specifically in an area known as the Panchet Formation. Initially, scientists thought Ankistrodon was a theropod dinosaur, which means it was part of a group known for walking on …

**Animantarx: An Ancient Armored Dinosaur** Animantarx is a type of dinosaur that lived during the Early and Late Cretaceous period, around 104 to 98 million years ago. This dinosaur was found in western North America and belonged to a group called nodosaurs, known for their heavy armor. **What Did Animantarx Look Like?** Animantarx was a …

Aniksosaurus is an extinct dinosaur that lived in what we now call Argentina during the Late Cretaceous period, about 96 to 91 million years ago. The name Aniksosaurus means “spring lizard.” It was named because its fossils were found in the spring, specifically on September 21, 1995. The dinosaur was described in 2006 based on …

**Anhuilong: The Anhui Dragon** Anhuilong is a type of dinosaur that lived during the Middle Jurassic period, about 174 to 162 million years ago. It was discovered in the Hongqin Formation of Anhui province, China. The name Anhuilong means “Anhui dragon.” **Key Features** Anhuilong is classified as a member of the Mamenchisauridae family, which includes …

Angulomastacator is a type of duck-billed dinosaur that lived during the Late Cretaceous period, around 76.6 million years ago. It was discovered in the Aguja Formation found in Big Bend National Park, Texas. The name Angulomastacator means “bend chewer.” This name refers to the unique shape of its upper jaw and the region where the …

Angolatitan is a name that means “Angolan giant.” It is a type of dinosaur known as a titanosauriform, which lived during the Late Cretaceous period. This makes it a very ancient creature that roamed the Earth around 83 to 70 million years ago. Angolatitan is special because it is the first known non-avian dinosaur discovered …