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来自维基百科,自由的百科全书
残暴北极熊(学名:Ursus maritimus tyrannus)为已灭绝的北极熊亚种,目前仅有在英国伦敦基尤桥的泰晤士河砾石堆中找到一段尺骨碎片。由芬兰古生物学家布约尔恩·库尔特恩于1964年命名,他认为这段尺骨属于一头亚成年个体,完整的尺骨长度达48.5 cm(19英寸)[1],相较之下,亚成年的北极熊尺骨长度约仅有36—43 cm(14—17英寸)[1]。体长3.6-3.9m,肩高可达1.9m。
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