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来自维基百科,自由的百科全书
水怪龙属(属名:Hydrotherosaurus)是蛇颈龙目薄板龙科的一属,身长约13米,化石发现于加州费雷斯诺县,年代为白垩纪马斯特里赫特阶。模式种是H. alexandrae,属名意为“水怪蜥蜴”,种名则是以发现化石的安妮·蒙塔格·亚历山大为名。
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