恐龍卡第 1716 張，共 2 027 張

Stokesosaurus

名字的意思： “Stokes' lizard”1

吃：肉暴龍類侏羅紀晚期到白堊紀早期

Stokesosaurus was a small, early cousin of the mighty T. rex. It lived during the Late Jurassic period, about 150 million years ago, in what is now the United States. This speedy predator hunted small animals in a world full of giant sauropods and Allosaurus.1

生存年代

155 到 143 百萬年前3

侏羅紀晚期到白堊紀早期

化石發現地

Utah, Colorado, Wyoming, and South Dakota, USA3 2

長度

2.5 到 4 m (8.2 到 13 ft)1

體重

60 kg (132 lb)1

最高速度

時速約 50 公里（31 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？

牠有多重？

跟 3 隻狗一樣重

跟 4 隻狗從鼻子接到尾巴一樣長跟 22 根香蕉頭尾相接一樣長跟 12 顆西瓜一樣重跟 3 個幼兒園小朋友一樣重跟 2 個小學生一樣重能在 7.2 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Stokesosaurus 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)

Stokesosaurus 時速約 50 公里 (31 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

Stokesosaurus is one of the earliest known tyrannosauroids, the group that later included T. rex.1

The only certain fossil of Stokesosaurus is a single hip bone (ilium) from a juvenile, about 22 centimeters (8.7 inches) long.1

Stokesosaurus lived alongside giants like Allosaurus, which made up 70 to 75 percent of the big predators in its environment.1

A tiny ilium from South Dakota may belong to Stokesosaurus, showing it lived far from Utah.2

Some scientists think Stokesosaurus might be the same animal as Tanycolagreus, but the missing hip bone of Tanycolagreus makes this hard to check.1

Stokesosaurus was named after geologist William Lee Stokes, who helped dig up thousands of Allosaurus bones at the Cleveland-Lloyd Quarry.1

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

?How big was Stokesosaurus?

Stokesosaurus was a small dinosaur, about 3 to 4 meters long. One scientist estimated it at 2.5 meters and 60 kilograms.1

?What did Stokesosaurus eat?

It was a small, bipedal predator that likely ate small animals like lizards, early mammals, and maybe baby dinosaurs.1

?Where did Stokesosaurus live?

It lived in what is now Utah, USA, during the Late Jurassic period. A tiny hip bone from South Dakota might also belong to it, showing it lived farther east.1 2

?Is Stokesosaurus a dinosaur?

Yes, it is a theropod dinosaur, part of the group that includes T. rex and birds.1 3

?When did Stokesosaurus live?

It lived about 150 million years ago, during the Late Jurassic period (Tithonian stage).1

?Why is it called Stokesosaurus?

It is named after geologist William Lee Stokes, who helped dig up many Allosaurus bones at the Cleveland-Lloyd Quarry in Utah.1

迷思破解王

迷思： Some people think Stokesosaurus was a species of the British dinosaur Iliosuchus.

真相： Scientists now agree Stokesosaurus is a separate genus, not a type of Iliosuchus.1

給恐龍專家

學名: Stokesosaurus
命名者: Madsen 19743
類群: 暴龍類
科 / 演化支: Tyrannosauroidea3
分類: Theropoda > Tyrannosauroidea3
岩石的年代: 155 到 143 百萬年 (Kimmeridgian / Tithonian)3
岩層: Morrison3
國家: 美國3
化石紀錄: The Paleobiology Database 收錄 6 筆3
發現: Stokesosaurus was named in 1974 by James Henry Madsen, who found its hip bone among many Allosaurus fossils at the Cleveland-Lloyd Dinosaur Quarry in Utah.1
仍有爭議: Scientists are not sure if Stokesosaurus is the same as Tanycolagreus, because the key hip bone of Tanycolagreus has never been found.1