エイニオサウルス　Einiosaurus　オーストラリア恐竜大陸

Einiosaurus

分類所属：
Ornithischia 鳥盤目/ Genaria 角竜下目 / Cerapoda / Marginocephalia・マルギノケファリア(周飾頭)亜目

/ Ceratopsoidea・ケラトプス科
/ Family: Ceratopsidae・セントロサウルス亜科
/ First Described: 1995 / Found: North America: USA
/ Length大きさ: 6m / Weight 重さ: 2.5 t
/ Food: Plants / Young: Eggs
/ Lived: Late Cretaceous 後期白亜紀・カンパニア期 84-71 million years ago

恐竜説明：
Einiosourus is a relatively new addition to the world of dinosaurs. It is known only from the state of Montana and, as its name suggests, it was found in Native American Territory: the word einio is the Blackfoot people's word for 'buffalo'.
Einiosaurus was a large centrosaur type of horned dinosaur. The centrosaurs have a rather short face with a long horn over the nose area. If brow horns occur, they are short. In Einiosaurus the long horn on the nose is flattened at the sides. Two large, curved spikes adorn the large frill of the 'Buffalo Lizard'; the total length of skull rarely exceeds 1.5 m.
Only two or three good skulls of this herding animal have been found but hundreds of bones are known from the Dino Ridge Quarry in Glacier County, Montana.
These fossils include bones of animals of different ages, although the skulls all belong to adults. It is likely that such a large accumulation of bones was the result of a catastrophic event, perhaps a mass drowning or a large scale attack by predators.

 アメリカ・モンタナ州で発見された四足歩行の恐竜。
エイニオサウルスは鼻面の上に前方に向って大きく曲がった太い角を備えていた。首のえり飾りからは大きいスパイクが1対、周囲にも小さなスパイクが生えていた。顎はオウムのようなクチバシと餌をすり潰す頬歯があった。胴体はがっしりした作りで、尾はやや短め。

大きさ比較：

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