恐龍卡第 0189 張，共 2 027 張

Atlasaurus

名字的意思： “Atlas lizard, named after the Atlas Mountains and the Titan Atlas who held up the sky”1

吃：植物長脖子恐龍侏羅紀中期

Atlasaurus was a giant, long-necked plant eater that stomped through Morocco about 165 million years ago. It was as long as a big bus and weighed as much as several elephants!1

生存年代

168 到 165 百萬年前2

侏羅紀中期

化石發現地

Morocco, in the Guettioua Formation of the High Atlas Mountains1 2

長度

15 m (49 ft)1

體重

22.5 公噸 (49,600 lb)1

高度

3.5 m (11 ft)

估計值

最高速度

時速約 12 公里（7 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 4 頭大象一樣重

跟 3 台汽車排成一排一樣長跟 83 根香蕉頭尾相接一樣長跟 15 台汽車一樣重跟 4500 顆西瓜一樣重跟 28 整班小學生一樣重跟 50 隻北極熊一樣重能在 30 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Atlasaurus 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)

Atlasaurus 時速約 12 公里 (7 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

Atlasaurus had a shorter neck than its relative Brachiosaurus, but its neck was still about 3.86 metres (12.7 feet) long.1

Its thigh bone (femur) was about 2 metres (6 feet 7 inches) long, which is taller than most people!1

The lower jaw of Atlasaurus was about 69 centimetres (27 inches) long, and its teeth were spoon-shaped with tiny serrations.1

Atlasaurus had longer arms compared to its legs than many other sauropods, with an upper arm bone (humerus) that was almost as long as its thigh bone.1

A nearly complete tail of Atlasaurus was found in Morocco and took 300 hours to piece back together in Utah, USA.1

Scientists first thought Atlasaurus was a kind of primitive sauropod called a cetiosaur, but later they saw it was more like Brachiosaurus.1

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

?How big was Atlasaurus?

Atlasaurus was about 15 metres long and weighed around 22.5 tonnes. That is as long as a big bus and as heavy as several elephants.1

?What did Atlasaurus eat?

Atlasaurus was a plant eater, or herbivore. It had spoon-shaped teeth with tiny serrations to help chew plants.1

?Where was Atlasaurus found?

Atlasaurus was found in the High Atlas Mountains of Morocco, in North Africa. Its fossils come from the Guettioua Formation, which is about 165 million years old.1

?Was Atlasaurus related to Brachiosaurus?

Yes, Atlasaurus is thought to be closely related to Brachiosaurus. It had a shorter neck and longer tail than Brachiosaurus, but similar limb bones.1

迷思破解王

迷思： Some people think Atlasaurus was a type of Brachiosaurus.

真相： Atlasaurus is a separate genus, but it is closely related to Brachiosaurus and shares many features.1

給恐龍專家

學名: Atlasaurus
命名者: Monbaron et al. 19992
類群: 長脖子恐龍
科 / 演化支: Macronaria2
分類: Sauropodomorpha > Sauropoda > Macronaria2
岩石的年代: 168 到 165 百萬年 (Bathonian)2
岩層: Guettioua2
國家: 摩洛哥2
化石紀錄: The Paleobiology Database 收錄 1 筆2
發現: The first Atlasaurus skeleton was found in 1981 in Morocco, and scientists Monbaron, Russell, and Taquet described it in 1999.1
仍有爭議: Scientists still debate exactly where Atlasaurus belongs in the sauropod family tree. Some think it is a turiasaur, while others think it is a brachiosaurid.1