Xiaosaurus was a small and lightweight dinosaur
Xiaosaurus Scientific Classification
Scientific name
Xiaosaurus dashanpensis
Xiaosaurus Physical Characteristics
15 lbs
Xiaosaurus Distribition

Countless years earlier, Asia was residence to numerous dinosaurs. The population of dinosaurs around was a mix of gigantic plant eaters andpredators The Xiaosaurus (obvious as “chow- saw- rus”) was among one of the most popular herbivores on this continent. This ornithischian dinosaur lived concerning 169– 163 million years earlier throughout the Center Jurassic Duration. Researchers have actually uncovered fossils of the Xiaosaurus in position like Sichuan in China.

Summary and Dimension

Xiaosaurus is a genus of ornithischian (bird- hipped) dinosaur that lived throughout the Jurassic in a location that is currently existing- day China. Among one of the most intriguing truths concerning this dinosaur is that it was among the very first dinosaurs whose name starts with the letter “X.”

The name, Xiaosaurus, converts as “dawn lizard.” It is from the Chinese word “Xiao,” which implies “dawn.” Researchers appointed this name to the dinosaur since the fossil is old. The Xiaosaurus was among the earliest dinosaur fossils discovered in this component of the globe. Nevertheless, because it goes back to the Center Jurassic, it would certainly have been extra precisely called a “noontime lizard,” taking into consideration the dawn of the dinosaur age remained in the Late Triassic.

Xiaosaurus was a little bipedal dinosaur. This implies it strolled on 2 legs although it had 4 arm or legs. The front arm or legs were as well brief to be utilized for strolling. Nevertheless, the back arm or legs were long and muscle. The thigh of the back foot had to do with 4.3 inches long, while the dinosaur had actually an approximated size of 3- 4 feet (1- 2 m) and evaluated approximately 15 pound (7 kg). It was likewise concerning 3.3 feet (1 m) high.

Xiaosaurus is a common ornithopod which implies it had bird- like hips, and its body had a lizard- like size. Dinosaurs in this team generally had actually beaked mouths with fallen leave- designed cheek teeth. Considering that they were vegetarian, they did not have sharp claws or teeth.

Standing at concerning 4 feet (1.2 meters), this dinosaur was not a titan. It was smaller sized than a human grownup. Each of the hindlimbs of the Xiaosaurus had 4 toes, while the arms had 5 fingers. The dinosaur had a long, aimed tail and an adaptable neck. It was likewise characterized by a little head with significant eyes.

Diet – What Did Xiaosaurus Eat?

Researchers think that the dawn lizard had a totally vegetarian diet. It isn’t specifically clear the kinds of plants that this dinosaur consumed, however because they were so tiny, they possibly fed mainly on reduced- existing plants and vegetation from tiny trees in the location.

Environment – When and Where Xiaosaurus Lived

Xiaosaurus is of Oriental Beginning. It resided in a location currently called China. The dinosaur resided in an earthbound environment in the Sichuan Container. This is a big intracratonic container situated in the southwestern area of China. One of the most popular development in this container is the Shaximiao Development. This development is composed of fluvial- lacustrine down payments that go back to the Center Jurassic when the Xiaosaurus lived there. The container is understood for its well- maintained animal fossils, specifically dinosaurs like the Xiaosaurus.

Risks and Predators

The Xiaosaurus was a little- sized vegetarian dinosaur. This implies it would certainly have been simple target for any type of big meat-eating dinosaurs that resided in the exact same environment at the time. Famous meat-eating dinosaurs like the Velociraptor resided in old China. Nevertheless, they came throughout the Late Cretaceous when the Xiaosaurus was all gone. Various other fairly big predative dinosaur species that exploited Xiaosaurus would certainly have likewise existed at the time.

Discoveries and Fossils – Where It Was Found

Paleontologists discovered 2 samplings that they took into consideration tiny, vegetarian dinosaurs in 1979 and 1980. Both samplings were from excavations near Dashanpu in the Sichuan location of China, a component of the Sichuan Container.

The locate contains partial remains, that included jaw pieces with a solitary tooth, 4 back vertebrae, 2 cervical vertebrae, amusing, and a partial left thigh. A total right hindlimb was likewise discovered. Researchers Dong Zhiming and Tang Zilu appointed a name to both fossils in 1983. The name “dawn lizard” is a referral to the age of the dinosaurs.

Termination – When Did Xiaosaurus Pass Away Out?

Xiaosaurus lived for a fairly brief time (169– 163 million years ago) throughout the Center Jurassic Duration. The factors for the dinosaur’s termination aren’t plainly understood. Nevertheless, because they were herbivores, ecological modifications may have influenced their plant food resource, resulting in their ultimate loss.

Similar Animals to the Xiaosaurus

Similar dinosaurs to the Xiaosaurus consist of:

  • Nanosaurus – Additionally called “dwarf lizard,” Nanosaurus resided in The United States and Canada throughout the late Jurassic, concerning 155 to 148 million years earlier. It is around the exact same dimension as the Xiaosaurus.
  • Dilong – The emperor dinosaur is a remote family member of the Tyrannosaurus rex. It lived throughout the late Cretaceous (126 million years ago) in the western Liaoning district of China.
  • Shantungosaurus – This dinosaur resided in China throughout the Late Cretaceous. It is among the biggest dinosaur fossils uncovered on the Oriental Continent.

Associated Animals


  1. Kidadl, Available here: https://kidadl.com/facts/dinosaurs/xiaosaurus-facts
  2. Wikipedia, Available here: https://en.wikipedia.org/wiki/Xiaosaurus
  3. Dinosaur Pictures, Available here: https://dinosaurpictures.org/Xiaosaurus-pictures

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