恐龍卡第 1646 張，共 2 027 張

Shuangbaisaurus

名字的意思： “Shuangbai lizard, named after Shuangbai County in China”1

吃：肉肉食恐龍侏羅紀早期

Shuangbaisaurus was a meat-eating dinosaur that lived in China about 200 million years ago. It had two ridges on its skull above its eyes, like a pair of eyebrows made of bone.2

生存年代

201 到 200 百萬年前3

侏羅紀早期

化石發現地

Liuna Village, Anlongbao Town, Shuangbai County, Yunnan Province, China2

最高速度

時速約 47 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)

Shuangbaisaurus 時速約 47 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

Shuangbaisaurus is known from only one partial skull and part of its lower jaw.1

The skull of Shuangbaisaurus was about 54 centimeters (21 inches) long.2

It had two bony crests that ran along the top edges of its eye sockets, called parasagittal crests.2

Shuangbaisaurus lived during the Early Jurassic Period, about 201 to 199 million years ago.3

Its fossils were found in purple muddy siltstone, which is a type of rock formed from ancient mud.1

The name Shuangbaisaurus comes from Shuangbai County, where the fossil was discovered.1

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

?What did Shuangbaisaurus eat?

Shuangbaisaurus was a meat-eating dinosaur, so it ate other animals. It lived in China about 200 million years ago.1

?How big was Shuangbaisaurus?

Its skull was about 54 centimeters (21 inches) long. Scientists do not know its full body size because only a partial skull has been found.1 2

?Why did Shuangbaisaurus have crests?

Scientists are not sure why it had crests. The crests were thin, paired ridges of bone along the top edges of its eye sockets, and they may have been used for display or to tell species apart.1 2

給恐龍專家

學名: Shuangbaisaurus
命名者: Wang et al. 20173
類群: 肉食恐龍
科 / 演化支: Theropoda3
分類: Theropoda3
岩石的年代: 201 到 200 百萬年 (Hettangian)3
岩層: Fengjiahe3
國家: 中國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Shuangbaisaurus was named in 2017 by Wang Guo-Fu, You Hai-Lu, Pan Shi-Gang, and Wang Tao based on a partial skull found in Yunnan Province, China.1
仍有爭議: Scientists are not sure exactly how big Shuangbaisaurus was because only a partial skull has been found.1