恐龍卡第 1320 張，共 2 027 張

Orkoraptor

名字的意思： “tooth snatcher”1

吃：肉肉食恐龍白堊紀晚期

Orkoraptor was a fierce meat-eating dinosaur that lived in South America. It had sharp teeth and probably hunted other animals. Scientists are still learning about this mysterious predator.1 2

生存年代

84 到 72 百萬年前6

白堊紀晚期

化石發現地

Argentina, in the Cerro Fortaleza Formation of Santa Cruz province.1 1

長度

6 到 8.4 m (20 到 28 ft)3 4 5

體重

1.4 公噸 (3,100 lb)3

高度

2.6 m (8.5 ft)

估計值

最高速度

時速約 33 公里（21 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 70 隻狗一樣重

跟 8 隻狗從鼻子接到尾巴一樣長跟 47 根香蕉頭尾相接一樣長跟 280 顆西瓜一樣重跟 74 個幼兒園小朋友一樣重跟 44 個小學生一樣重跟 3 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）

Orkoraptor 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)

Orkoraptor 時速約 33 公里 (21 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

Orkoraptor had teeth with smooth edges on the front, which is unusual for meat-eating dinosaurs.1

Its teeth had a special groove on the inside, a feature that is unique to this dinosaur.1

Orkoraptor lived about 83 to 72 million years ago, during the Late Cretaceous period.1

It was a ground-dwelling dinosaur that moved actively on land.1

Orkoraptor laid eggs, like most other dinosaurs.1 2

The only known species is called Orkoraptor burkei.1 2

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

?How big was Orkoraptor?

Orkoraptor was about 8.4 metres (28 feet) long and weighed around 1,400 kilograms (3,100 pounds).3

?What did Orkoraptor eat?

Orkoraptor was a carnivore, meaning it ate meat. It had sharp teeth and probably hunted other animals.2

?When did Orkoraptor live?

Orkoraptor lived during the Late Cretaceous Period, about 83 to 72 million years ago.6

?Where was Orkoraptor found?

Orkoraptor fossils were found in southern Patagonia, Argentina, in the Cerro Fortaleza Formation.3

?Did Orkoraptor lay eggs?

Yes, Orkoraptor laid eggs, just like most other dinosaurs. It was oviparous.2

?Is Orkoraptor a dinosaur?

Yes, Orkoraptor is a dinosaur. It was a medium-sized megaraptoran theropod dinosaur.3

給恐龍專家

學名: Orkoraptor
命名者: Novas et al. 20086
類群: 肉食恐龍
科 / 演化支: Megaraptoridae6
分類: Theropoda > Megaraptora6
岩石的年代: 84 到 72 百萬年 (Campanian)6
岩層: Cerro Fortaleza6
國家: 阿根廷6
化石紀錄: The Paleobiology Database 收錄 2 筆6
發現: Orkoraptor was named by Novas and colleagues in 2008. The first fossils were found in Argentina, in the Cerro Fortaleza Formation.1 1
仍有爭議: Scientists are still debating exactly which group of theropod dinosaurs Orkoraptor belongs to. Some think it is a megaraptoran, while others place it in different groups.1