恐龍卡第 0723 張，共 2 027 張

Globidens

名字的意思： “globe tooth”1

吃：肉滄龍類白堊紀晚期嚴格來說不是恐龍

Globidens was a marine lizard that lived in the warm, shallow seas of the Late Cretaceous. It had strange, round teeth like little balls, perfect for crushing the hard shells of its prey. Unlike many other sea reptiles, Globidens was a shell-crushing specialist!1

趣味小知識：這種海生爬蟲類在海裡游泳的時候，恐龍正在陸地上走路。大家都叫牠們恐龍，但牠們其實是爬蟲類的另一個分支。

生存年代

90 到 66 百萬年前3

白堊紀晚期

化石發現地

North America (USA: Alabama, South Dakota, Kansas, etc.), Africa (Morocco, Angola, Egypt), Middle East (Syria, Jordan), and South America (Brazil)3 1

長度

5 到 6 m (16 到 20 ft)1

最高速度

時速約 38 公里（24 英里）

游泳, 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？

跟 6 隻狗從鼻子接到尾巴一樣長跟 33 根香蕉頭尾相接一樣長能在 4.7 秒內游完一座大泳池（50 公尺）

Globidens 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)

Globidens 時速約 38 公里 (24 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

Globidens had round, globe-shaped teeth that were different from the sharp teeth of most other mosasaurs.1

Scientists found stomach contents inside a Globidens fossil from South Dakota, showing it ate clams called inoceramids.1

Globidens lived about 84 to 66 million years ago, during the Late Cretaceous period.3

The first Globidens fossil was a partial skull and a neck bone found in Alabama, USA, and named in 1912 by Charles W. Gilmore.1

Globidens had a strong, robust skull and a powerful bite to crush the shells of its prey.1

Fossils of Globidens have been found on four continents: North America, Africa, South America, and Asia (Middle East).1 3

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

?How big was Globidens?

Globidens was a medium-sized mosasaur, measuring about 5 to 6 metres (16 to 20 feet) long.1

?What did Globidens eat?

Globidens ate hard-shelled prey like turtles, ammonites, nautili, and bivalves. Stomach contents from a fossil found in South Dakota showed it ate clams called inoceramids.1 2

?Why did Globidens have round teeth?

Globidens had round, globe-shaped teeth that were perfect for crushing tough shells. Unlike most mosasaurs with sharp teeth for grabbing slippery prey, Globidens was a shell-crushing specialist.1

?Was Globidens a dinosaur?

No, Globidens was not a dinosaur. It was a marine lizard, a type of mosasaur that lived in the sea during the Late Cretaceous.1

?When did Globidens live?

Globidens lived during the Late Cretaceous period, about 84 to 66 million years ago.1

?Where have Globidens fossils been found?

Globidens fossils have been found in Angola, Brazil, Colombia, Morocco, Syria, and the United States.1

給恐龍專家

學名: Globidens
命名者: Gilmore 19123
類群: 滄龍類
科 / 演化支: Mosasauridae3
分類: Mosasauroidea3
岩石的年代: 90 到 66 百萬年 (Coniacian / Maastrichtian)3
岩層: Pierre Shale, Wolfe City/Sprinkle, Phosphates3
國家: 美國, 摩洛哥, 敘利亞, 約旦, 埃及, 安哥拉3
化石紀錄: The Paleobiology Database 收錄 32 筆3
發現: Globidens was first described in 1912 by Charles W. Gilmore, based on an incomplete skull and a neck bone from Alabama, USA. The name means 'globe tooth' because of its round teeth.1
仍有爭議: Scientists are still debating exactly how many species of Globidens existed, as some fossils have been moved to other groups like Prognathodon.1