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The first complete dinosaur skeleton was found in southern England in 1858. The bones belonged to a creature called Scelidosaurus.
The early British paleontologist Richard Owen incompletely described its body in papers that were published in 1861 and 1863.
But for years, scientists did not pay much attention to Scelidosaurus.
That has now changed. Scientists have recently finished several careful studies of the dinosaur's remains.
The findings suggest the creature had an unusual build.
University of Cambridge paleontologist David Norman recently published his fourth study on the Scelidosaurus.
It appeared in the Zoological Journal of the Linnean Society of London.
Norman wrote that "this animal was discovered at a crucial time in the history of dinosaur research."
He added that until the discovery, "dinosaurs had only been known from scraps of bone and some teeth."
Scelidosaurus lived about 193 million years ago. It was an early member of the evolutionary family that led to the dinosaur group called ankylosaurs.
1958年,第一具完整的恐龙骨架在英格兰南部被发现。这些骨头属于一种名叫肢龙(Scelidosaurus)的生物。
早期的英国古生物学家理查德・欧文(Richard Owen)在1861年和1863年发表的论文中对其身体进行了不完整的描述。
但多年来,科学家们并没有对肢龙给予过多关注。
而现在情况发生了变化。科学家近期完成了对这具恐龙遗骸的几项细致的研究。
结果显示,这种生物的体型有些不寻常。
剑桥大学的古生物学家大卫・诺曼(David Norman)近期发表了其对肢龙的第四份研究报告。
该研究发表在伦敦林奈学会的动物学杂志上。
诺曼写道:“这种动物是在恐龙研究历史上的一个关键时刻被发现的。”
他补充说,在这次发现之前,“人们只通过骨骼碎片和部分牙齿来了解恐龙。”
肢龙生活在一亿九千三百万年前。它是进化家族的早期成员,最终形成了甲龙这一恐龙群。
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