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日本北海道鹉川早前出土了一副长达8米、几近完整的恐龙骨架，为日本境内最为巨型的恐龙骸骨。古生物学家近日确认骨架属新品种，并以日本龙神之意命名为“神威龙（Kamuysaurus japonicus）”。有关发现在东亚地区极为罕见，或有助研究恐龙的多样进化。研究结果周五发表于英国自然科学期刊《科学报告》。

考古团队6年前在海洋沉积物中，首次发现部分不明尾骨遗骸，其后挖掘出近乎完整骨架，估计该恐龙存活于7200万年前的白垩纪晚期。

北海道大学领导的研究小组认为，骸骨属于一种新的鸭嘴龙类草食性恐龙，估计为9岁的成年恐龙，体重视乎两足或四足行走而定，介乎4至5.3吨。

东亚地区极少能发现保存完好的恐龙骨架，团队认为神威龙或罕见地沿海栖息，为恐龙研究提供新的可能性，证明海岸线环境是恐龙早期进化多样化的重要因素之一。而新恐龙品种更意味，日本或东亚曾拥有一个独立恐龙世界及独立进化过程。

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