恐龍卡第 0429 張，共 2 027 張

Coahuilaceratops

名字的意思： “horned face from Coahuila”1

吃：植物角龍類白堊紀晚期

Coahuilaceratops was a horned dinosaur that lived in what is now Mexico. It had huge horns on its face, as big as those of Triceratops. This dinosaur was a plant-eater that roamed the land about 71 to 70 million years ago.1 2

生存年代

72 到 66 百萬年前5

白堊紀晚期

化石發現地

Coahuila, Mexico1

長度

4 到 6.7 m (13 到 22 ft)1

體重

1 公噸到 5 公噸 (2,200 到 11,000 lb)1

高度

1.8 到 2.1 m (5.9 到 6.9 ft)1

最高速度

時速約 32 公里（20 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 3 台汽車一樣重

跟 7 隻狗從鼻子接到尾巴一樣長跟 37 根香蕉頭尾相接一樣長大約跟一頭大象一樣重跟 1000 顆西瓜一樣重跟 6 整班小學生一樣重跟 11 隻北極熊一樣重能在 11 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Coahuilaceratops 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)

Coahuilaceratops 時速約 32 公里 (20 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

Coahuilaceratops had horns that were about 0.91 to 1.22 meters (3 to 4 feet) long, as big as those of Triceratops.1

Its name means 'horned face from Coahuila', after the Mexican state where it was found.1

It lived during the early Maastrichtian age, about 71.5 to 70.5 million years ago.1 3

Coahuilaceratops is the first dinosaur described from the Cerro Huerta Formation in Mexico.1 3

Its fossils were discovered in 2001 by Claudio de Leon near Porvenir de Jalpa, Coahuila.1

Scientists think Coahuilaceratops may be an early relative of Triceratops.3

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

?How big was Coahuilaceratops?

An adult was about 6.7 meters (22 feet) long, 1.8 to 2.1 meters (6 to 7 feet) tall at the shoulders and hips, and probably weighed about 4 to 5 metric tons. Another estimate says it was about 4 meters (13 feet) long and weighed 1 to 1.5 metric tons.1 4

?What did Coahuilaceratops eat?

It was a plant-eater, like other horned dinosaurs.4

?When did Coahuilaceratops live?

It lived about 71.5 to 70.5 million years ago, during the Late Cretaceous period.1

?Where was Coahuilaceratops found?

Its fossils were found in Coahuila, Mexico, near the town of Porvenir de Jalpa.1

?Why did Coahuilaceratops have such big horns?

Scientists are not sure, but the most widely accepted idea is that the horns were used to attract mates and fight with rivals of the same species.4

?Was Coahuilaceratops bigger than Triceratops?

No, Coahuilaceratops was smaller. It was about 6.7 meters (22 feet) long, while Triceratops was about 8 to 9 meters (26 to 30 feet) long. But its horns were as big as those of Triceratops.1 4

給恐龍專家

學名: Coahuilaceratops
命名者: Loewen et al. 20105
類群: 角龍類
科 / 演化支: Ceratopsidae5
分類: Ornithischia > Ceratopsia > Ceratopsidae5
岩石的年代: 72 到 66 百萬年 (Maastrichtian)5
國家: 墨西哥5
化石紀錄: The Paleobiology Database 收錄 1 筆5
發現: Coahuilaceratops was named by Mark A. Loewen and colleagues in 2010. The fossils were found in 2001 and dug up in 2003 in Coahuila, Mexico.1 2
仍有爭議: Scientists are not sure exactly how big Coahuilaceratops was, because different estimates give lengths from 4 to 6.7 meters.1