恐龍卡第 1529 張，共 2 027 張

Radiodactylus

名字的意思： “radio finger”1

吃：魚飛行爬蟲類白堊紀早期嚴格來說不是恐龍

Radiodactylus was a flying reptile that lived in what is now Texas, USA, about 119 to 112 million years ago. It was a pterosaur, not a dinosaur, and it soared over ancient seas looking for fish to eat. Its name comes from the nuclear power plant where its fossil was found!1 3

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

113 到 110 百萬年前3

白堊紀早期

化石發現地

Comanche Peak Nuclear Power Plant, Glen Rose Formation, Somervell County, Texas, USA1 3

翼展

3.8 m (12 ft)2

最高速度

時速約 61 公里（38 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？

翅膀跟 2 台腳踏車排成一排一樣寬能在 6.2 秒內飛越一整座足球場

Radiodactylus 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)

Radiodactylus 時速約 61 公里 (38 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

Radiodactylus is known only from a single nearly complete left humerus (upper arm bone). The bone was found during construction of an emergency spillway at a nuclear power plant.1

Its name means 'radio finger' because it was discovered at the Comanche Peak Nuclear Power Plant. The 'dactyl' part is a common ending for pterosaur names, referring to their long wing fingers.1

Radiodactylus was a close relative of the giant azhdarchid pterosaurs, but it lived much earlier and was smaller than them.1

The species name langstoni honors Dr. Wann Langston Jr., who is called 'the father of Texas pterosaurology' for his work on pterosaurs from Texas.1

Scientists originally thought Radiodactylus was an azhdarchid pterosaur, but later studies showed it was a more primitive member of that group, called a non-azhdarchid azhdarchoid.1

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

?How big was Radiodactylus?

Radiodactylus was a large-sized pterosaur, but no exact wingspan or weight is given in the sources. It was smaller than the giant azhdarchids that came later.1

?What did Radiodactylus eat?

Radiodactylus was a piscivore, meaning it ate fish. It soared over ancient seas to catch its food.3

?Was Radiodactylus a dinosaur?

No, Radiodactylus was a pterosaur, a flying reptile, not a dinosaur. Pterosaurs are a separate group of reptiles that lived at the same time as dinosaurs.1

?When did Radiodactylus live?

Radiodactylus lived during the Early Cretaceous period, about 119 to 112 million years ago.1

給恐龍專家

學名: Radiodactylus
命名者: Andres and Myers 20133
類群: 飛行爬蟲類
科 / 演化支: Neoazhdarchia3
分類: Pterosauria > Pterodactyloidea3
岩石的年代: 113 到 110 百萬年 (Albian)3
岩層: Glen Rose Limestone3
國家: 美國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Radiodactylus was first described by Phillip Murry and colleagues in 1991, but it was named and given its own genus by Brian Andres and Timothy S. Myers in 2013. The fossil was found at the Comanche Peak Nuclear Power Plant in Texas.1
仍有爭議: Scientists are not sure exactly how Radiodactylus is related to other pterosaurs. Some studies place it as a close cousin of the azhdarchids, while others put it in a different group called Neopterodactyloidea.1