恐龍卡第 0422 張，共 2 027 張

Cienciargentina

名字的意思： “science of Argentina”1

吃：植物長脖子恐龍白堊紀早期

Cienciargentina was a long-necked plant eater that lived in Argentina about 106 million years ago. It had a small head, a huge body, and a whip-like tail. This dinosaur is one of the last of its family, the rebbachisaurids.5 1

生存年代

110 到 106 百萬年前5

白堊紀早期

化石發現地

Villa El Chocón, Neuquén Province, Argentina5 1

長度

10 到 12 m (33 到 39 ft)3

體重

4 公噸到 6 公噸 (8,800 到 13,200 lb)3

高度

2.9 m (9.5 ft)

估計值

最高速度

時速約 19 公里（12 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 2.5 台汽車排成一排一樣長跟 67 根香蕉頭尾相接一樣長大約跟一頭大象一樣重跟 1200 顆西瓜一樣重跟 8 整班小學生一樣重跟 13 隻北極熊一樣重能在 19 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Cienciargentina 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)

Cienciargentina 時速約 19 公里 (12 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

Cienciargentina is known from three partial skeletons of different sizes, found together.1

Its name honors the science and technology system of Argentina.1

Cienciargentina lived alongside the titanosaur Choconsaurus in the same area.1

It is the fourth rebbachisaurid dinosaur named from the Huincul Formation.1

Cienciargentina had a special hip bone shape: the top of its thigh bone pointed upward, above the greater trochanter.2

Its tail vertebrae had a length-to-height ratio of 5 or more, making the tail very long and slender.2

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

?How big was Cienciargentina?

Scientists do not know its exact size yet, but it was a medium to large sauropod, like other rebbachisaurids. It is known from three partial skeletons of different sizes, so the largest was probably quite big.1 4

?What did Cienciargentina eat?

It was a plant eater. Like other rebbachisaurids, it was a non-selective, ground-level browser that ate low-growing plants.4

?When did Cienciargentina live?

It lived about 106 million years ago, during the Early Cretaceous period (Albian stage).1

?Is Cienciargentina a dinosaur?

Yes, it is a dinosaur. It is a type of sauropod called a rebbachisaurid.1 5

給恐龍專家

學名: Cienciargentina
命名者: Simón and Salgado 20255
類群: 長脖子恐龍
科 / 演化支: Rebbachisauridae5
分類: Sauropodomorpha > Sauropoda > Diplodocoidea5
岩石的年代: 110 到 106 百萬年 (Albian)5
岩層: Huincul5
國家: 阿根廷5
化石紀錄: The Paleobiology Database 收錄 1 筆5
發現: Cienciargentina was named in 2025 by María Edith Simón and Leonardo Salgado. The fossils were found at the La Antena site in Villa El Chocón, Argentina.5 1
仍有爭議: Scientists are not sure how big Cienciargentina grew, because only partial skeletons have been found.1