Avisaurus is a type of bird that lived during the Late Cretaceous period, about 68 to 66 million years ago. It is known as a genus of enantiornithine, which means it is part of a group of ancient birds that are different from modern birds. The name “Avisaurus” means “bird lizard.” Scientists first discovered Avisaurus …

Avipes is a type of ancient reptile that is now extinct. It belongs to a group called archosaurs, which also includes dinosaurs and modern birds. Avipes lived a long time ago, during a time known as the Middle Triassic period, around 240 million years ago. The name “Avipes” means “bird foot,” and it comes from …

Avimimus is an extinct group of dinosaurs that lived during the Late Cretaceous period, around 85 to 70 million years ago. This dinosaur was discovered in Mongolia and is known for its bird-like features. The name Avimimus means “bird mimic,” showing its resemblance to birds. Discovery Avimimus was first officially described in 1981 by a …

Aviatyrannis is a type of dinosaur that lived during the Late Jurassic period, around 160 to 145 million years ago. It was discovered in Portugal, specifically in a lignite coal mine near Leiria. The name Aviatyrannis comes from Latin words. “Avia” means grandmother, and “tyrannis” refers to tyrant. So, it can be understood as “the …

Avalonianus is a name given to a group of reptiles that lived during the Late Triassic period, which was around 237 to 201 million years ago. The scientific classification of Avalonianus is as follows: – It belongs to the kingdom Animalia, meaning it is an animal. – Its phylum is Chordata, which includes animals with …

Avalonianus was a type of ancient reptile that lived during the Late Triassic period, around 210 million years ago. It was found in what is now England, specifically in the Westbury Formation. The first scientific description of Avalonianus was made by a paleontologist named Harry Seeley in 1898. He originally called it Avalonia, but that …

Avaceratops is a small, extinct dinosaur that lived during the Late Cretaceous period, about 77 million years ago. This dinosaur was a herbivore, meaning it only ate plants. Fossils of Avaceratops have mostly been found in the Northwest United States, particularly in the Judith River Formation of Montana. **Discovery of Avaceratops** The story of Avaceratops …

Austrosaurus is a group of dinosaurs that lived a very long time ago, around 112 to 100 million years ago, during the Early Cretaceous period. It was discovered in Central-Western Queensland, Australia, and its name means “Southern lizard” in Latin. The first fossils of Austrosaurus were found in 1932 by a man named H.B. Wade. …

Austroraptor is a fascinating group of theropod dinosaurs that lived a long time ago, during the Late Cretaceous period, about 76.5 to 68 million years ago. Fossils of this dinosaur were found in what is now Argentina. **What is Austroraptor?** Austroraptor belongs to a family of dinosaurs called Dromaeosauridae. This group includes some of the …

**Austroposeidon: A Giant Dinosaur from Brazil** Austroposeidon is a name for a type of dinosaur called a titanosaur. It lived during the Late Cretaceous period, around 72 million years ago, in what is now Brazil. The only known species of this dinosaur is Austroposeidon magnificus, which means “Magnificent Southern Poseidon.” **Discovery of Austroposeidon** The first …