恐龍卡第 1223 張，共 2 027 張

Muyelensaurus

名字的意思： “Muyelen lizard, after an indigenous name for the Colorado River in Argentina”1

吃：植物長脖子恐龍白堊紀晚期

Muyelensaurus was a long-necked, plant-eating dinosaur that lived in what is now Argentina. It was a titanosaur, a group of sauropods known for their huge size, but Muyelensaurus was more slender than its relatives.1

生存年代

90 到 84 百萬年前4

白堊紀晚期

化石發現地

Neuquén province, Patagonia, Argentina1

長度

13.4 m (44 ft)2

體重

5.5 公噸 (12,100 lb)2

高度

3.2 m (10 ft)

估計值

最高速度

時速約 18 公里（11 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 台汽車一樣重

跟 3 台汽車排成一排一樣長跟 74 根香蕉頭尾相接一樣長大約跟一頭大象一樣重跟 1100 顆西瓜一樣重跟 7 整班小學生一樣重跟 12 隻北極熊一樣重能在 20 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Muyelensaurus 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)

Muyelensaurus 時速約 18 公里 (11 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

Muyelensaurus lived about 86 to 85 million years ago, during the Late Cretaceous.1

Its fossils were first thought to be from the Portezuelo Formation, but later scientists realized they came from the Plottier Formation.1

The name Muyelensaurus comes from 'Muyelen', an indigenous name for the Colorado River in Argentina.1

Muyelensaurus was more slender than other titanosaurs, meaning it had a lighter build.1

The only known species is Muyelensaurus pecheni.1

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

?How big was Muyelensaurus?

Scientists do not know its exact size yet, but it was a middle-sized sauropod, more slender than other titanosaurs.1 3

?What did Muyelensaurus eat?

It was a plant-eater, like all sauropods. It had suboval teeth with crests, good for stripping leaves.1 3

?When did Muyelensaurus live?

It lived about 86 to 85 million years ago, during the Late Cretaceous period.1 4

給恐龍專家

學名: Muyelensaurus
命名者: Calvo et al. 20074
類群: 長脖子恐龍
科 / 演化支: Rinconsauria4
分類: Sauropodomorpha > Sauropoda > Titanosauria > Macronaria4
岩石的年代: 90 到 84 百萬年 (Coniacian / Santonian)4
岩層: Plottier4
國家: 阿根廷4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Muyelensaurus was named in 2007 by paleontologists Jorge Calvo, Bernardo González Riga, and Juan Porfiri. The fossils were found in the Neuquén province of Patagonia, Argentina.1