恐龍卡第 1672 張，共 2 027 張

Sinopliosaurus

名字的意思： “Chinese pliosaur”4

吃：肉蛇頸龍類侏羅紀早期到白堊紀早期嚴格來說不是恐龍

Sinopliosaurus was a big marine reptile that swam in the seas during the Jurassic period. It was a plesiosaur, not a dinosaur, and it used its flippers to glide through the water. It was a fierce hunter with sharp teeth.4

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

184 到 143 百萬年前4

侏羅紀早期到白堊紀早期

化石發現地

Fossils were found in Sichuan and Xinjiang, China.1

最高速度

時速約 27 公里（17 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)

Sinopliosaurus 時速約 27 公里 (17 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

Sinopliosaurus lived from about 184 to 143 million years ago, during the Jurassic period.1

Its teeth were small, curved, and had grooves along the crown.1

The backbone bones were flat at both ends, which is a special feature.1

It was a fast swimmer that lived near the surface of the sea.4

The type specimen includes a tooth and three vertebrae, found in 1939.2

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

?Was Sinopliosaurus a dinosaur?

No, it was a plesiosaur, a type of marine reptile that lived in the sea. It is not a dinosaur.3 4

?How big was Sinopliosaurus?

Nobody knows for sure, because only a few bones have been found. Pliosaurids (its family) ranged from about 3 metres to 12 metres long.4

?What did Sinopliosaurus eat?

It was a carnivore, meaning it ate meat. It had sharp, grooved teeth for catching prey.4

?When did Sinopliosaurus live?

It lived during the Jurassic period, from about 184 to 143 million years ago. Some remains may be from the Early Cretaceous, around 100 million years ago.4 3

給恐龍專家

學名: Sinopliosaurus
命名者: Young 19444
類群: 蛇頸龍類
科 / 演化支: Pliosauridae4
分類: Plesiosauria > Pliosauridae > Sauropterygia4
岩石的年代: 184 到 143 百萬年 (Toarcian / Tithonian)4
岩層: Ziliujing, Lianmuqin4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 4 筆4
發現: Sinopliosaurus was named by Chinese scientist Yang Zhongjian (C.C. Young) in 1944. The first fossils were found by H.H. Yao in 1939 in Sichuan, China.2
仍有爭議: Some scientists think Sinopliosaurus weiyuanensis might not be a valid species, because the fossils are too few and incomplete.1