Allosaurus (/ ˌ æ l ə ˈ s ɔːr ə s /) [1] [2] is an extinct genus of large carnosaurian theropod dinosaur that lived 155 to 145 million years ago during the Late Jurassic period (Kimmeridgian to late Tithonian ages). The name "Allosaurus" means "different lizard", alluding to its unique (at the time of its discovery) concave vertebrae.

So let’s look closer into the real Allosaurus. This dinosaur comes from the late Jurassic Morrison Formation, a unit of rock that stretches throughout much of the western United States. The Morrison contains some of the most iconic dinosaurs of all time, such as Stegosaurus, Brontosaurus, and Diplodocus, as well as many, many more.

2016年3月15日 · Allosaurus is the most common dinosaur fossil found in Utah's Cleveland-Lloyd Quarry, a site containing the densest concentration of Jurassic dinosaur bones in the world. Of the at least 74...

Allosaurus was one of the largest and most abundant theropods of the Late Jurassic in North America. It has a wide geographical range and is found throughout the Morrison Formation which was deposited around 155 to 148 million years ago.

Explore Allosaurus, a meat-eating theropod dinosaur in the Dino Directory.

Allosauridae is an extinct family of medium to large bipedal, carnivorous allosauroid theropod dinosaurs from the Late Jurassic. [2] . Allosauridae is a fairly old taxonomic group, having been first named by the American paleontologist Othniel Charles Marsh in 1878. [3]

2022年3月28日 · Allosaurus is an extinct genus of large theropod dinosaur that lived around 150 million years ago. Along with T-rex, it is arguably the most popular dinosaur in popular culture. This genus is known from more fossil remains than any other large, predatory dinosaurs .

Allosaurus was the most common large carnivore of the Late Jurassic in North America. It was a smaller predecessor of the Cretaceous Tyrannosaurus. Strong forelimbs with sharp claws, powerful hind legs and recurved, dagger-like teeth are …

2023年8月22日 · Allosaurus was a massive dinosaur that lived 155 to 145 million years ago during the Late Jurassic period. It was a fierce predator with a massive skull and razor-sharp teeth. Allosaurus...

The Ballad of Big Al is the story of an Allosaurus, a large carnivorous dinosaur, which lived in the Late Jurassic around 145 million years ago. Big Al was found near Howe...