恐龍卡第 0010 張，共 2 027 張

Abydosaurus

名字的意思： “Abydos lizard, after the Egyptian city where the god Osiris' head and neck were buried”1 2

吃：植物長脖子恐龍白堊紀晚期

Abydosaurus was a huge, long-necked plant-eater that lived about 104 million years ago. It is special because scientists found its complete skull, which is very rare for sauropods. This dinosaur had narrow teeth, unlike its wider-toothed relative Brachiosaurus.2 1

生存年代

100 到 94 百萬年前3

白堊紀晚期

化石發現地

Dinosaur National Monument, Utah, USA3 1

長度

18.3 m (60 ft)1

高度

4.2 m (14 ft)

估計值

最高速度

時速約 13 公里（8 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？

牠有多高？

估計值

跟 4 台汽車排成一排一樣長跟 100 根香蕉頭尾相接一樣長能在 28 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Abydosaurus 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)

Abydosaurus 時速約 13 公里 (8 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

Abydosaurus is one of the few sauropods known from a complete skull. Sauropod skulls are very rare because they are small and fragile.2

Its skull was tiny compared to its body, only about 1/200th of its total volume. That is like a pea on a giant pumpkin.2

Abydosaurus lived about 104 million years ago, during the Early Cretaceous period.2 1

It had narrow teeth, unlike its relative Brachiosaurus which had broad teeth. This change happened over millions of years.2

The name Abydosaurus comes from the Egyptian city Abydos, where the god Osiris' head and neck were buried. The dinosaur's skull and neck were found together.1 2

Fossils of four different Abydosaurus individuals were found in the same quarry, including three partial skulls.2

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

?What did Abydosaurus eat?

It ate plants. Its narrow teeth suggest it may have eaten different plants than its broad-toothed relatives.1 2

?How big was Abydosaurus?

About 18.3 metres long. That is as long as a bowling lane.1

?Where was Abydosaurus found?

Its fossils were found in northeastern Utah, United States, at Dinosaur National Monument.1

?When did Abydosaurus live?

It lived about 104 million years ago, during the Early Cretaceous period.1 2

?Why is Abydosaurus special?

It is one of the few sauropods known from a complete skull. That is very rare because sauropod skulls are small and fragile.1 2

?Is Abydosaurus a dinosaur?

Yes, it is a brachiosaurid sauropod dinosaur.1

迷思破解王

迷思： Some people think all sauropods had wide, spoon-shaped teeth like Brachiosaurus.

真相： Abydosaurus had narrow teeth, showing that some sauropods evolved different tooth shapes for different diets.2

給恐龍專家

學名: Abydosaurus
命名者: Chure et al. 20103
類群: 長脖子恐龍
科 / 演化支: Brachiosauridae3
分類: Sauropodomorpha > Sauropoda > Macronaria3
岩石的年代: 100 到 94 百萬年 (Cenomanian)3
岩層: Cedar Mountain3
國家: 美國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Abydosaurus was named in 2010 by Daniel Chure and his team. The first complete skull was found in Dinosaur National Monument, Utah, USA, along with the first four neck bones.1 2
仍有爭議: Scientists are not sure exactly how big Abydosaurus grew, because only skulls and some postcranial bones have been found.1