恐龍卡第 1112 張，共 2 027 張

Macroplata

名字的意思： “big plate”1

吃：肉蛇頸龍類侏羅紀早期嚴格來說不是恐龍

Macroplata was a plesiosaur, a marine reptile that lived in the sea during the Early Jurassic. It had a long neck and sharp teeth to catch fish. Its big shoulder bones helped it swim fast.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

201 到 200 百萬年前3

侏羅紀早期

化石發現地

Harbury, Warwickshire, United Kingdom3 1

長度

4.38 到 4.65 m (14 到 15 ft)1

體重

604 kg (1,300 lb)1

最高速度

時速約 28 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

牠有多大？

牠有多長？

牠有多重？

跟 30 隻狗一樣重

跟 5 隻狗從鼻子接到尾巴一樣長跟 26 根香蕉頭尾相接一樣長跟 120 顆西瓜一樣重跟 32 個幼兒園小朋友一樣重跟 19 個小學生一樣重能在 6.4 秒內游完一座大泳池（50 公尺）

Macroplata 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)

Macroplata 時速約 28 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

Macroplata had a long neck that was twice the length of its skull.1

Its shoulder bones were very large, giving it a powerful forward stroke for fast swimming.1

The only known fossil of Macroplata is a nearly complete skeleton found by workmen in a cement quarry.2

Macroplata had six teeth in each premaxilla, the front part of the upper jaw.2

It lived about 199 to 195 million years ago during the Early Jurassic.1

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

?How big was Macroplata?

Macroplata was about 4.38 to 4.65 metres (14.4 to 15.3 feet) long and weighed about 604 kilograms (1,332 pounds).1

?What did Macroplata eat?

Macroplata probably ate fish, catching them with its sharp, needle-like teeth.1

?Was Macroplata a dinosaur?

No, Macroplata was a plesiosaur, a marine reptile that lived in the sea, not a dinosaur.1

?When did Macroplata live?

Macroplata lived during the Early Jurassic, about 199 to 195 million years ago.1

給恐龍專家

學名: Macroplata
命名者: Swinton 19303
類群: 蛇頸龍類
科 / 演化支: Rhomaleosauridae3
分類: Plesiosauria > Sauropterygia3
岩石的年代: 201 到 200 百萬年 (Hettangian)3
岩層: Blue Lias3
國家: 英國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Macroplata was named by William Swinton in 1930 based on a nearly complete skeleton found in a cement quarry at Harbury, Warwickshire, UK.1 2
仍有爭議: Scientists are still debating exactly how Macroplata is related to other plesiosaurs.2