恐龍卡第 0160 張，共 2 027 張

Arcusaurus

名字的意思： “rainbow lizard”1

吃：植物長脖子恐龍侏羅紀早期

Arcusaurus was a small, long-necked dinosaur that lived in what is now South Africa. It was an early relative of the giant sauropods like Brachiosaurus. Arcusaurus walked on four legs and ate plants.1 4

生存年代

201 到 193 百萬年前4

侏羅紀早期

化石發現地

Spion Kop Heelbo site, upper Elliot Formation, Free State, South Africa1 2

長度

2 到 3 m (6.6 到 9.8 ft)1

體重

20 kg 到 40 kg (44 到 88 lb)1

高度

0.5 到 0.8 m (1.6 到 2.6 ft)1

最高速度

時速約 37 公里（23 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？

牠有多重？

跟 2 隻狗一樣重

跟 3 隻狗從鼻子接到尾巴一樣長跟 17 根香蕉頭尾相接一樣長跟 10 隻家貓一樣重跟 8 顆西瓜一樣重跟 2 個幼兒園小朋友一樣重跟 1 個小學生一樣重能在 9.7 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Arcusaurus 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)

Arcusaurus 時速約 37 公里 (23 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

Arcusaurus was named after the Rainbow Nation, a nickname for South Africa. The name comes from the Latin word for rainbow.1

The fossils of Arcusaurus were discovered in 2006 by Lucille Pereira and Fernando Abdala. The species name honors them.1

At least two Arcusaurus individuals were found together. Scientists know this because they found two right nasal bones, which are skull bones behind the nostril.1

Arcusaurus lived during the Early Jurassic period, about 200 to 190 million years ago.1 4

Arcusaurus was a small dinosaur, only about 2 to 3 meters long. That is about the size of a car.1

Arcusaurus is an early relative of the giant sauropods. It helps scientists understand how sauropods evolved.1

The fossils of Arcusaurus were found in the same quarry as another dinosaur called Pulanesaura. This shows that different dinosaurs lived together.2

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

?How big was Arcusaurus?

About 2 to 3 metres long, roughly the size of a large dog.1

?What did Arcusaurus eat?

It was a herbivore, meaning it ate plants.3

?Was Arcusaurus a dinosaur?

Yes, it was a sauropodomorph dinosaur, an early relative of the giant sauropods.1

?When did Arcusaurus live?

It lived during the Early Jurassic period, about 192 to 182 million years ago.3

給恐龍專家

學名: Arcusaurus
命名者: Yates et al. 20114
類群: 長脖子恐龍
科 / 演化支: Sauropodomorpha4
分類: Sauropodomorpha4
岩石的年代: 201 到 193 百萬年 (Hettangian / Sinemurian)4
岩層: Elliot4
國家: 南非4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Arcusaurus was named by Adam Yates, Matthew Bonnan and Johann Neveling in 2011. The fossils were found in March 2006 at the Spion Kop Heelbo site in South Africa.1
仍有爭議: Scientists are not sure exactly how big Arcusaurus grew. Only a few bones have been found, so its size is an estimate.1