恐龍卡第 0949 張，共 2 027 張

Kayentavenator

名字的意思： “Kayenta hunter”1

吃：肉肉食恐龍侏羅紀早期

Kayentavenator was a meat-eating dinosaur that lived in what is now Arizona, USA, about 189 million years ago. It was a fast, two-legged hunter that probably chased small prey through the ancient desert.1 2

生存年代

200 到 184 百萬年前6

侏羅紀早期

化石發現地

Arizona, USA1 2

最高速度

時速約 47 公里（29 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)

Kayentavenator 時速約 47 公里 (29 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

Kayentavenator was named by Robert Gay in 2010, based on fossils found in the Kayenta Formation in Arizona.1 2

The only known fossils of Kayentavenator are a partial pelvis, a hindlimb, and seven vertebrae.1

Some scientists think Kayentavenator might actually be a young coelophysid dinosaur, not a separate species.3

The name Kayentavenator means 'Kayenta hunter', after the rock formation where it was found.1

Kayentavenator lived during the Early Jurassic period, about 189 million years ago.1

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

?How big was Kayentavenator?

The only known fossil is from a juvenile that stood about 0.5 metres (1.6 feet) tall at the hip. The adult size is unknown.4 5

?What did Kayentavenator eat?

Kayentavenator was a carnivore, meaning it ate meat. It probably hunted small prey.4 6

?Is Kayentavenator a real dinosaur species?

Some scientists think Kayentavenator might be a young coelophysid dinosaur, not a separate species. Others believe it is a valid genus. The fossils are very fragmentary, so it is still debated.4 3

?Where was Kayentavenator found?

Its fossils were found in the Kayenta Formation in northeastern Arizona, USA, on the Navajo Reservation.4 5

迷思破解王

迷思： Some people think Kayentavenator was a large, fearsome predator like T. rex.

真相： Kayentavenator was actually a small dinosaur, probably only a few meters long, and its fossils are very incomplete.2 1

給恐龍專家

學名: Kayentavenator
命名者: Gay 20106
類群: 肉食恐龍
科 / 演化支: Tetanurae6
分類: Theropoda6
岩石的年代: 200 到 184 百萬年 (Sinemurian / Pliensbachian)6
岩層: Kayenta6
國家: 美國6
化石紀錄: The Paleobiology Database 收錄 1 筆6
發現: The fossils of Kayentavenator were discovered in 1982 by the University of California Museum of Paleontology at a site called Willow Springs 2 in Arizona. Robert Gay named the dinosaur in 2010.1
仍有爭議: Scientists are not sure if Kayentavenator is a valid dinosaur or just a young individual of another coelophysid species.3