**Arcusaurus: A Dinosaur from the Past** Arcusaurus is a type of dinosaur that lived a long time ago, during the Early Jurassic period in South Africa, around 183 million years ago. It was first named by scientists Adam Yates, Matthew Bonnan, and Johann Neveling in 2011. The name “Arcusaurus” comes from the Latin word “arcus,” …

Arctosaurus is a type of reptile that lived a long time ago during the Late Triassic period, which was around 237 million to 201 million years ago. This reptile belongs to a group called archosauromorphs, which includes many ancient reptiles. For many years, it was thought to be a type of dinosaur called sauropodomorphs, but …

Arcovenator was a type of dinosaur that lived during the Late Cretaceous period, around 76 to 66 million years ago, primarily in what is now France and possibly Spain. Its name means “Arc hunter,” referring to the river Arc where its remains were discovered. The only known species of this dinosaur is Arcovenator escotae. It …

Archaeornithomimus is an extinct dinosaur that lived during the Late Cretaceous period, around 96 million years ago. Its name means “ancient bird mimic,” and it belongs to a group called ornithomimosaurians, which are known for their bird-like features. **Discovery** In 1923, a group of paleontologists from the American Museum of Natural History, led by Roy …

Archaeornithoides is an extinct genus of dinosaur that lived during the Late Cretaceous period, around 75 million years ago. This tiny dinosaur was discovered in Mongolia. **Discovery and Naming** In 1965, a group of Polish and Mongolian scientists found a fossil of a small dinosaur in Bayn Dzak, Mongolia. The discovery was reported in 1983. …

**Meet Archaeopteryx: The Ancient Bird-Dinosaur** Archaeopteryx was a fascinating dinosaur that lived around 150 million years ago during the Late Jurassic period. It is often called the first bird, but it’s also a bird-like dinosaur with some unique characteristics. **Name and Meaning** The name Archaeopteryx comes from Greek words meaning “ancient wing.” This name reflects …

Archaeoraptor is a famous fossil that was thought to show the link between birds and dinosaurs. It was revealed to the public in 1999 by National Geographic. However, after more study, it was discovered to be a fake! Here’s how it all happened: Farmers in China found fossils in their fields. One farmer discovered a …

Archaeopteryx is an extinct genus of bird-like dinosaurs that lived during the Late Jurassic period, around 150 million years ago. The name “Archaeopteryx” means “ancient wing” in Greek, reflecting its significance as one of the earliest known birds. It is often referred to as “Urvogel,” which means “primeval bird” in German. Archaeopteryx fossil remains have …

Archaeodontosaurus is a fascinating dinosaur that lived during the Middle Jurassic period, around 168 to 165 million years ago. Its fossils have been discovered in Madagascar, specifically in a place called the Isalo III Formation. The name “Archaeodontosaurus” means “ancient-toothed lizard.” This dinosaur is considered a sauropod, which means it belongs to a group of …

Archaeocursor is an extinct type of dinosaur from the early Jurassic period. It is a member of a group called ornithischians, which are known for their bird-like features. The name Archaeocursor means “old runner,” and it is known from a single fossilized thigh bone, called a femur. This bone was found in 2022 in China, …