恐龍卡第 0795 張，共 2 027 張

Helioceratops

名字的意思： “sun horned face”1

吃：植物角龍類白堊紀早期

Helioceratops was a small, plant-eating dinosaur that lived about 100 million years ago in what is now China. It had a short lower jaw and walked on four legs. Its name means 'sun horned face' because scientists think horned dinosaurs like it first appeared in the East, where the sun rises.1

生存年代

121 到 100 百萬年前4

白堊紀早期

化石發現地

Liufangzi Town, Gongzhuling City, Jilin Province, China1 2

長度

1.3 m (4.3 ft)1

體重

20 kg (44 lb)1

高度

0.4572 m (1.5 ft)3

最高速度

時速約 32 公里（20 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？

牠有多重？

跟 5 隻家貓一樣重

跟 2.5 隻家貓從鼻子接到尾巴一樣長跟 7 根香蕉頭尾相接一樣長跟 4 顆西瓜一樣重能在 11 秒內跑完 100 公尺（最快的人類要 9.6 秒）

Helioceratops 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)

Helioceratops 時速約 32 公里 (20 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

Helioceratops is known from only two jaw bones: a right lower jaw (the holotype) and a left upper jaw (the paratype). They were found close together and may belong to the same animal.1

Its lower jaw is very short and deep. The tooth row is only 60% longer than the height of the jawbone.1

The teeth of Helioceratops have an unusual pattern of ridges: up to nine ridges in front of the main ridge but only four behind it.1

Helioceratops lived during the Albian to Cenomanian stages, about 100 million years ago, at the boundary between the Early and Late Cretaceous.1

Scientists think Helioceratops is a close relative of Auroraceratops, which means 'dawn horned face'.1

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

?How big was Helioceratops?

Helioceratops was a relatively small dinosaur. In 2010, Gregory S. Paul estimated it was about 1.3 metres (4.3 feet) long and weighed about 20 kilograms (44 pounds).1

?What did Helioceratops eat?

Helioceratops was a herbivore, meaning it ate plants. It lived on land and likely shared its habitat with another plant-eating dinosaur called Changchunsaurus.1

?When did Helioceratops live?

Helioceratops lived about 100 million years ago, during the Albian to Cenomanian stages, which is the boundary between the Early and Late Cretaceous. Its fossils were found in the Quantou Formation in China.1 4

?Why is it called Helioceratops?

The name means 'sun horned face' because scientists think horned dinosaurs first appeared in the East, where the sun rises. It also refers to its close relationship with Auroraceratops, the 'dawn horned face'.1

給恐龍專家

學名: Helioceratops
命名者: Jin et al. 20094
類群: 角龍類
科 / 演化支: Leptoceratopsidae4
分類: Ornithischia > Ceratopsia4
岩石的年代: 121 到 100 百萬年 (Aptian / Albian)4
岩層: Quantou4
國家: 中國4
化石紀錄: The Paleobiology Database 收錄 1 筆4
發現: Helioceratops was named in 2009 by Jin Liyong, Chen Jun, Zan Shuqin and Pascal Godefroit. The fossils were dug up in 2000 and 2002 at the Liufangzi site in Jilin Province, China.1 2
仍有爭議: Scientists are not sure whether Helioceratops had horns. No horn cores have been found, but it is a ceratopsian, so it may have had small horns on its face.1