恐龍卡第 1640 張，共 2 027 張

Shidaisaurus

名字的意思： “Golden Age lizard”1

吃：肉肉食恐龍侏羅紀中期

Shidaisaurus was a medium-sized meat-eating dinosaur that lived in what is now China. It was a fast and fierce predator, with sharp teeth and strong legs for chasing its prey.1

生存年代

171 到 168 百萬年前4

侏羅紀中期

化石發現地

Yunnan, China1 3

長度

6 到 7.1 m (20 到 23 ft)1

體重

700 kg 到 950 kg (1,500 到 2,100 lb)1

高度

2.2 m (7.2 ft)

估計值

最高速度

時速約 38 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 48 隻狗一樣重

跟 7 隻狗從鼻子接到尾巴一樣長跟 39 根香蕉頭尾相接一樣長跟 190 顆西瓜一樣重跟 50 個幼兒園小朋友一樣重跟 30 個小學生一樣重跟 2 隻北極熊一樣重能在 9.5 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Shidaisaurus 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)

Shidaisaurus 時速約 38 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

Shidaisaurus was one of the first large meat-eating dinosaurs from the Middle Jurassic of China.3

Its name comes from the Jin-Shidai Company, which helped dig up the dinosaur.1

Shidaisaurus had a special bone in its neck called the axis, with a tall, sharp point that helped it move its head.1

Unlike many other theropods, Shidaisaurus did not have air pockets (pleurocoels) in its neck and back vertebrae.1

Scientists think Shidaisaurus was a close relative of Sinraptor, another meat-eating dinosaur from China.1

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

?How big was Shidaisaurus?

About 6 to 7.1 metres (20 to 23 feet) long. It weighed around 700 to 950 kilograms (1543 to 2094 pounds).1

?What did Shidaisaurus eat?

It was a meat-eater (carnivore). It used its sharp teeth and strong legs to hunt and eat other animals.4

?When did Shidaisaurus live?

It lived during the early Middle Jurassic period, about 174 million years ago.1 4

?Where was Shidaisaurus found?

Its fossils were found in Yunnan, China, in rocks of the Chuanjie Formation.1

給恐龍專家

學名: Shidaisaurus
命名者: Wu et al. 20094
類群: 肉食恐龍
科 / 演化支: Metriacanthosauridae4
分類: Theropoda > Allosauroidea4
岩石的年代: 171 到 168 百萬年 (Bajocian)4
岩層: Chuanjie4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Shidaisaurus was named by Wu and colleagues in 2009, based on a partial skeleton found in the Chuanjie Formation in Yunnan, China.1 3
仍有爭議: Scientists are still debating exactly how Shidaisaurus is related to other Jurassic theropods from China.3