恐龍卡第 1000 張，共 2 027 張

Kwangsisaurus

名字的意思： “Guangxi lizard”1

吃：魚海生爬蟲類三疊紀早期到三疊紀中期嚴格來說不是恐龍

Kwangsisaurus was a marine reptile that swam in the warm seas of China during the Middle Triassic. It was a type of sauropterygian, a group that includes the famous plesiosaurs. This reptile had a long body and paddle-like limbs for swimming.1 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

251 到 247 百萬年前3

三疊紀早期到三疊紀中期

化石發現地

Guangxi, China1 2

最高速度

時速約 23 公里（14 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)

Kwangsisaurus 時速約 23 公里 (14 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

Kwangsisaurus was named by Chinese paleontologist Yang Zhongjian (also known as C. C. Young) in 1959.1

The only known fossil of Kwangsisaurus is a partial skeleton found in Wuming County, Guangxi, China.2

Kwangsisaurus lived during the Olenekian to Anisian stages of the Triassic, about 250 to 244 million years ago.1 2

This reptile was a pistosaurid, a group of early sauropterygians that were ancestors of the later plesiosaurs.1

Kwangsisaurus had dorsal vertebrae with long, expanded transverse processes, which helped support its body.1

Its coracoid bone was broad and plate-like, with a rounded inner edge and a bell-shaped outer edge.1

The humerus (upper arm bone) of Kwangsisaurus was curved, and it lacked an entepicondylar foramen, a hole found in some other reptiles.1

Kwangsisaurus 的 AI 繪圖 — 這是電腦根據科學家目前的知識，用 AI 畫出 Kwangsisaurus 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: Kwangsisaurus
命名者: Young 19593
類群: 海生爬蟲類
科 / 演化支: Pistosauroidea3
分類: Sauropterygia3
岩石的年代: 251 到 247 百萬年 ()3
岩層: Beisi3
國家: 中國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Kwangsisaurus was named by Chinese paleontologist Yang Zhongjian (C. C. Young) in 1959 based on a partial skeleton found in Wuming County, Guangxi, China.1 2
仍有爭議: Scientists are unsure about the exact size of Kwangsisaurus because only a partial skeleton has been found.1