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Qijianglong

Say it: chee-jyang-LONG
Name means: “dragon from Qijiang”1
Ate: PlantsLong-necksLate Jurassic to Early Cretaceous

Qijianglong was a giant plant-eating dinosaur with an incredibly long neck. It lived in what is now China during the Late Jurassic period, about 150 million years ago. This gentle giant used its long neck to reach high leaves that other dinosaurs couldn't eat.12

Lived
162 to 143 million years ago4
Late Jurassic to Early Cretaceous
Fossils found in
Qijiang District, Chongqing Municipality, China21
Food
Plants31
Length
15 m1
estimate for the holotype, which may be a juvenile

When did it live?

Triassic
Jurassic
Cretaceous
252 million years ago20114566, the asteroid

How big was it?

Qijianglong about 15 m longA car about 4.5 mAn elephant, the biggest land animal today about 6.5 mA house about 10 mA swimming pool about 25 m
as long as 3 cars parked in a rowas long as 83 bananas end to end

How big was Qijianglong compared to YOU?

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cool stuff

Fun facts

1

Qijianglong had a very long neck made of 17 vertebrae, which helped it reach food high up.1

2

Its neck vertebrae had special finger-like extensions that stiffened the neck horizontally but allowed it to move up and down.2

3

The first bone was found in the early 1990s by a farmer named Cai Changming in his backyard in Sichuan, China.1

4

Qijianglong is the first mamenchisaurid dinosaur from the Late Jurassic of China that is clearly different from Mamenchisaurus.2

5

The species name 'guokr' means 'nutshell' in Chinese and honors a science social network that supported paleontology.1

6

Scientists think Qijianglong was a juvenile when it died, even though it was already about 15 meters (49 feet) long.1

AI-madeAI-made picture of Qijianglong
An AI-made picture of how Qijianglong might have looked, made by a computer from what scientists know. It is a guess: the real animal may have looked different, and nobody knows its true colours.

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Myth buster

Myth: Some people think all long-necked dinosaurs are the same, like Brontosaurus.

Truth: Qijianglong is a different kind of sauropod called a mamenchisaurid, with unique neck bones and a skull that set it apart from other long-necked dinosaurs.2

For dino experts

Scientific name
Qijianglong
Named by
Xing et al. 20154
Group
Long-necks
Family / clade
Mamenchisauridae4
Classification
Sauropodomorpha > Sauropoda4
Age of the rocks
162 to 143 million years (Oxfordian / Tithonian)4
Rock formations
Suining4
Countries
China4
Fossil records
1 in the Paleobiology Database4
Discovery
The first vertebra was found in the early 1990s by farmer Cai Changming in his backyard. A construction site in Qijiang District uncovered more fossils in 2006, leading to the full skeleton. In 2015, scientists led by Xing Lida named the dinosaur Qijianglong guokr.1
Still debated
Scientists debate whether the Suining Formation where Qijianglong was found is from the Late Jurassic or Early Cretaceous, so the exact age is uncertain.1

Where the facts come from

  1. Qijianglong (en.wikipedia.org)
  2. ARTICLE (xinglida.net)
  3. PBDB Taxon (paleobiodb.org)
  4. Qijianglong in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

Every fact on this page has a number that points to its source. If we got something wrong, sorry, we are dino fans, not a science journal. Tell us at [email protected] and we will fix it.

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Also from the same time: Late Jurassic

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