西峡爪龙属(属名:Xixianykus)是兽脚亚目阿瓦拉慈龙科恐龙的一属,生存于白垩纪晚期的中国[1]。化石发现于河南省西峡县,地质年代相当于桑托阶到康尼亚克阶,是生存年代最早的进阶型阿瓦拉慈龙类;其他进阶型阿瓦拉慈龙类生存于坎潘阶或马斯特里赫特阶[2]。
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