恐龍卡第 0414 張，共 2 027 張

Chuandongocoelurus

名字的意思： “hollow tail from Chuandong”1

吃：肉肉食恐龍侏羅紀中期到侏羅紀晚期

Chuandongocoelurus was a meat-eating dinosaur that ran on two legs. It lived in China during the Middle Jurassic, about 165 million years ago. It was small and fast, hunting small animals in its ancient forest home.3 1

生存年代

171 到 155 百萬年前3

侏羅紀中期到侏羅紀晚期

化石發現地

Sichuan Province, China1

長度

2.4 m (7.9 ft)2

體重

12 kg (26 lb)2

高度

0.81 m (2.7 ft)

估計值

最高速度

時速約 39 公里（24 英里）

跑步, 估計值

牠生活在什麼時候？

三疊紀

侏羅紀

白堊紀

2 億 5200 萬年前20114566，小行星撞地球

牠有多大？

牠有多長？

牠有多高？

估計值

牠有多重？

跟 3 隻家貓一樣重

跟 5 隻家貓從鼻子接到尾巴一樣長跟 13 根香蕉頭尾相接一樣長跟 100 根香蕉一樣重能在 9.2 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Chuandongocoelurus 跟「你」比起來有多大？

只是在你的瀏覽器裡算算數學。什麼都不會被儲存或傳送出去。

牠有多快？

走路的人 時速約 5 公里 (3 mph)

騎腳踏車的小朋友 時速約 12 公里 (7 mph)

Chuandongocoelurus 時速約 39 公里 (24 mph)

一匹飛奔的馬 時速約 65 公里 (40 mph)

一隻獵豹 時速約 100 公里 (62 mph)

酷東西

趣味知識

The name Chuandongocoelurus means 'hollow tail from Chuandong', because its tail bones were hollow like other meat-eaters.1

The first fossil was a thighbone that was 201 millimeters long, about the size of a large banana.1

Scientists think it was a young adult when it died, because the bones in its spine were not fully fused yet.1

One fossil, a set of neck bones, might actually belong to a different dinosaur, maybe a relative of Elaphrosaurus.1

It lived in the same area as other dinosaurs like the armored Shunosaurus, but it was much smaller.1

Its leg bones show it was a fast runner, with long shin bones compared to its thigh.2

Chuandongocoelurus 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Chuandongocoelurus 可能的樣子。這只是猜測：真正的動物可能長得不一樣，也沒有人知道牠真正的顏色。

你們都在問

關於 Chuandongocoelurus 最常被問的問題

?How big was Chuandongocoelurus?

It was small, about 2.4 metres long and weighed around 12 kilograms. That is about as long as a bicycle and as heavy as a big cat.2

?What did Chuandongocoelurus eat?

It was a carnivore, meaning it ate meat. It probably hunted small animals in its forest home.3

?When did Chuandongocoelurus live?

It lived during the Middle Jurassic, about 165 million years ago. That's the same time as the armored dinosaur Shunosaurus.1

?Was Chuandongocoelurus a dinosaur?

Yes, it was a theropod dinosaur, a meat-eater that walked on two legs.1

?How fast could Chuandongocoelurus run?

Its long shin bones compared to its thigh show it was a fast runner, but no exact speed is known.2

?Why is it called Chuandongocoelurus?

The name means 'hollow tail from Chuandong' because its tail bones were hollow and it was found in Chuandong, China.1

迷思破解王

迷思： Some people think Chuandongocoelurus was a big, scary dinosaur like T. rex.

真相： Actually, it was small, only about 2.4 meters long and weighed as much as a big house cat. It was more like a speedy hunter than a giant monster.2

給恐龍專家

學名: Chuandongocoelurus
命名者: He 19843
類群: 肉食恐龍
科 / 演化支: Tetanurae3
分類: Theropoda3
岩石的年代: 171 到 155 百萬年 (Bajocian / Oxfordian)3
岩層: Shaximiao3
國家: 中國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Chinese paleontologist He Xinlu named and described Chuandongocoelurus in 1984. He found the fossils in the Lower Shaximiao Formation in Sichuan, China.1
仍有爭議: Scientists still debate whether the two skeletons assigned to Chuandongocoelurus are from the same species. One might be a different dinosaur, maybe a relative of Elaphrosaurus.1