恐龍卡第 0629 張，共 2 027 張

Eshanosaurus

名字的意思： “Eshan lizard”1

吃：植物奇特的羽毛恐龍侏羅紀早期

Eshanosaurus was an early relative of the strange, long-clawed therizinosaurs. It lived about 200 million years ago in what is now China. Only a piece of its lower jaw has been found, so scientists are still debating what it really was.1

生存年代

201 到 200 百萬年前4

侏羅紀早期

化石發現地

Eshan, Yunnan, China1 4

最高速度

時速約 27 公里（17 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)

Eshanosaurus 時速約 27 公里 (17 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

Eshanosaurus is known only from a partial left lower jaw and some teeth.1

If Eshanosaurus is a therizinosaur, it would be the oldest known coelurosaur, living about 60 million years before other early therizinosaurs like Falcarius.1 2

The name Eshanosaurus means 'Eshan lizard,' after the region in China where it was found.1

Its species name, deguchiianus, honors Hikaru Deguchi, who encouraged the scientist Xu Xing to study dinosaurs.1

Eshanosaurus lived during the Early Jurassic Period, between about 201 and 199 million years ago.4

Some scientists think Eshanosaurus might actually be a prosauropod (a long-necked plant-eater) rather than a therizinosaur.1

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

?Is Eshanosaurus a dinosaur?

Yes, Eshanosaurus is a dinosaur. It is a genus of theropod dinosaur from the Early Jurassic Period.1

?How big was Eshanosaurus?

Nobody knows for sure because only a partial lower jaw has been found. It was a small therizinosauroid, but its exact size is unknown.1 3

?What did Eshanosaurus eat?

Scientists are not certain, but if it is a therizinosaur it may have been a plant-eater. However, its teeth are more like those of meat-eating theropods, so its diet is debated.1 3

?When did Eshanosaurus live?

Eshanosaurus lived during the Early Jurassic Period, about 201 to 199 million years ago.1

迷思破解王

迷思： Some people assume Eshanosaurus was a large, fierce predator because it is a theropod dinosaur.

真相： Eshanosaurus is classified as a therizinosaur, which were plant-eating theropods. Its teeth and jaw suggest it was a herbivore.1 4

給恐龍專家

學名: Eshanosaurus
命名者: Xu et al. 20014
類群: 奇特的羽毛恐龍
科 / 演化支: Therizinosauridae4
分類: Theropoda > Therizinosauria4
岩石的年代: 201 到 200 百萬年 (Hettangian)4
岩層: Lufeng4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Eshanosaurus was named in 2001 by Xu Xing, Zhao Xijin, and James M. Clark. The fossil jaw was found in the Lower Lufeng Formation of Yunnan, China.1 2
仍有爭議: Scientists are not sure whether Eshanosaurus really was a therizinosaur or a prosauropod. The fossil is very incomplete, and different experts disagree.1