恐龍卡第 2024 張，共 2 027 張

Zuolong

名字的意思： “Zuo's dragon, named after General Zuo Zongtang”1

吃：肉肉食恐龍侏羅紀晚期

Zuolong was a small, speedy meat-eater that lived in China during the Late Jurassic. It was one of the oldest coelurosaurs, the group that includes T. rex and birds!1 2

生存年代

162 到 155 百萬年前4

侏羅紀晚期

化石發現地

Wucaiwan, Xinjiang, China1 4

長度

3 到 3.35 m (9.8 到 11 ft)1

體重

16 kg 到 50 kg (35 到 110 lb)1

最高速度

時速約 46 公里（29 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？

牠有多重？

跟 2.5 隻狗一樣重

跟 3 隻狗從鼻子接到尾巴一樣長跟 19 根香蕉頭尾相接一樣長跟 12 隻家貓一樣重跟 10 顆西瓜一樣重跟 2.5 個幼兒園小朋友一樣重跟 1.5 個小學生一樣重能在 7.8 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Zuolong 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)

Zuolong 時速約 46 公里 (29 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

Zuolong lived about 161 to 159 million years ago, during the Oxfordian stage of the Late Jurassic.1

It was discovered in 2001 by a joint Chinese-American expedition, but scientists did not describe it until 2010.1

Zuolong is one of the oldest coelurosaurs ever found that includes both skull and body bones.2

The only known skeleton is probably from a young animal, so adults may have been bigger.1

Zuolong had a D-shaped tooth in its upper jaw, a feature also seen in early tyrannosauroids.1

It lived alongside other dinosaurs like the horned Yinlong, the sauropod Bellusaurus, and the big predator Sinraptor.1

Zuolong 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Zuolong 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 Zuolong 最常被問的問題

?How big was Zuolong?

Zuolong was small for a theropod. Scientists estimate it weighed between 16 and 50 kilograms and was about 3 metres long as an adult.1

?What did Zuolong eat?

Zuolong was a meat-eater, or carnivore. It had sharp, serrated teeth for eating other animals.1 3

?Did Zuolong have feathers?

Scientists think Zuolong likely had feathers because it was a coelurosaur, the group that includes birds and many feathered dinosaurs.3

?When did Zuolong live?

Zuolong lived during the Late Jurassic period, about 161 to 159 million years ago.1

給恐龍專家

學名: Zuolong
命名者: Choiniere et al. 20104
類群: 肉食恐龍
科 / 演化支: Coelurosauria4
分類: Theropoda4
岩石的年代: 162 到 155 百萬年 (Oxfordian)4
岩層: Shishugou4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Zuolong was named in 2010 by Jonah Choiniere, James Clark, Catherine Forster, and Xu Xing. The species name 'salleei' honors Hilmar Sallee, who funded the expedition that found the fossil.1 2
仍有爭議: Scientists are not sure how big Zuolong grew as an adult, because the only known fossil may be from a juvenile.1