恐龍卡第 1671 張，共 2 027 張

Sinomacrops

名字的意思： “Chinese large face, because it had big eyes and a broad face”1

吃：昆蟲飛行爬蟲類侏羅紀中期到侏羅紀晚期嚴格來說不是恐龍

Sinomacrops was a tiny flying reptile that lived about 160 million years ago. It had huge eyes and a short, rounded snout, and it probably fluttered between trees catching insects.1

趣味小知識：翼龍在恐龍頭上飛來飛去，但牠們是恐龍的親戚，不是恐龍喔。

生存年代

165 到 155 百萬年前3

侏羅紀中期到侏羅紀晚期

化石發現地

Mutoudeng, Qinglong County, Hebei Province, China1 3

長度

0.35 到 0.36 m (1.1 到 1.2 ft)1

翼展

最多 0.9 m (3 ft)1

最高速度

時速約 35 公里（22 英里）

飛行, 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 11 塊積木排成一排一樣長能在 11 秒內飛越一整座足球場

Sinomacrops 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)

Sinomacrops 時速約 35 公里 (22 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

Sinomacrops is known from a single crushed skeleton, but it is the first anurognathid skull seen from the side.1

Its lower leg bone, the tibiotarsus, was twice as long as its thigh bone, which is unusual.1

It had three closely spaced teeth in the front of its upper jaw, a feature unique to this species.1

Sinomacrops is the second anurognathid pterosaur found in the Tiaojishan Formation in China.1

Its closest relative is Batrachognathus, and together they form a group called Batrachognathinae.1

The fossil was found in rocks that are between 165 and 155 million years old, from the Middle to Late Jurassic.3

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

?Was Sinomacrops a dinosaur?

No, Sinomacrops was a pterosaur, a flying reptile that lived at the same time as dinosaurs, but it was not a dinosaur itself.2

?How big was Sinomacrops?

It was tiny, but the exact size is not known because only one crushed skeleton has been found. It was small enough to flutter between trees.2

?What did Sinomacrops eat?

It probably ate insects. Its short snout and teeth suggest it caught bugs while flying, like other anurognathid pterosaurs.1

?When did Sinomacrops live?

It lived about 164 to 158 million years ago, during the Middle to Late Jurassic period.2

迷思破解王

迷思： Some people think Sinomacrops was a dinosaur because it lived with dinosaurs.

真相： Sinomacrops was a pterosaur, a flying reptile, not a dinosaur.1

給恐龍專家

學名: Sinomacrops
命名者: Wei et al. 20213
類群: 飛行爬蟲類
科 / 演化支: Anurognathidae3
分類: Pterosauria3
岩石的年代: 165 到 155 百萬年 (Callovian / Oxfordian)3
岩層: Tiaojishan3
國家: 中國3
化石紀錄: The Paleobiology Database 收錄 1 筆3
發現: Scientists named Sinomacrops in 2021 after studying a fossil found at Mutoudeng in China. The species name bondei honors paleontologist Niels Bonde.1
仍有爭議: Scientists still debate exactly where anurognathids like Sinomacrops fit in the pterosaur family tree, and whether they lived mostly in trees.1