恐龍卡第 0151 張，共 2 027 張

Archaeoistiodactylus

名字的意思： “ancient Istiodactylus”1

吃：魚飛行爬蟲類侏羅紀中期到侏羅紀晚期嚴格來說不是恐龍

Archaeoistiodactylus was a flying reptile that lived in China during the Middle Jurassic, about 165 million years ago. It had short hand bones and backward-angled front teeth, and it probably ate fish.1 2

趣味小知識：翼龍在恐龍頭上飛來飛去，但牠們是恐龍的親戚，不是恐龍喔。

生存年代

168 到 152 百萬年前4

侏羅紀中期到侏羅紀晚期

化石發現地

Liaoning, China1 2

翼展

0.9 m (3 ft)3

最高速度

時速約 35 公里（22 英里）

飛行, 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？

牠的翅膀有多寬？

跟 2 隻家貓從鼻子接到尾巴一樣長能在 11 秒內飛越一整座足球場

Archaeoistiodactylus 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)

Archaeoistiodactylus 時速約 35 公里 (22 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

Archaeoistiodactylus is known from only one incomplete skeleton, including a partial skull and lower jaws.1

Its front teeth in the upper jaw were angled backward, which may have helped it catch slippery fish.1

The name means 'ancient Istiodactylus', because scientists first thought it was an older relative of the pterosaur Istiodactylus.1

Some scientists think Archaeoistiodactylus might actually be a poorly preserved specimen of another pterosaur called Darwinopterus.1

It lived in the Middle Jurassic period, about 165 million years ago, in what is now China.1

The holotype specimen is cataloged as JPM04 to 0008 and was found in the Tiaojishan Formation of western Liaoning, China.1

Archaeoistiodactylus 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Archaeoistiodactylus 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。

給恐龍專家

學名: Archaeoistiodactylus
命名者: Lü and Fucha 20104
類群: 飛行爬蟲類
科 / 演化支: Istiodactylidae4
分類: Pterosauria > Pterodactyloidea4
岩石的年代: 168 到 152 百萬年 (Bathonian / Kimmeridgian)4
岩層: Tiaojishan4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Archaeoistiodactylus was named and described by Chinese paleontologists Lü Junchang and Fucha Xiaohui in 2010, based on a partial skeleton found near Linglongta in Liaoning, China.1
仍有爭議: Scientists are not sure whether Archaeoistiodactylus is a valid genus or if it is actually a specimen of Darwinopterus or another wukongopterid pterosaur.1