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“md0065艾秋快递员服务品质”-环球时报

云南发现恐龙md0065艾秋快递员服务品质新属种

来源: 财经杂志
2024-12-17 01:12:24

最佳回答

“md0065艾秋快递员服务品质”云南发现恐龙md0065艾秋快递员服务品质新属种

  中新md0065艾秋快递员服务品质网昆明12月16日电 (记者md0065艾秋快递员服务品质 缪超)据中共云南省委宣传部官方微信“云南发布”16日消息,中国科学院古脊椎动物与古人类研究所的尤海鲁研究员课题组近日在云南禄丰发现早侏罗世蜥脚型类又一新属种——王氏栗树龙。

  目前,该王氏栗树龙化石已经被工作人员布展在恐龙谷大遗址馆内进行展出,每天有不少参观的游客。

图为王氏栗树龙化石。禄丰市融媒体中心 供图

  王氏栗树龙由禄丰市自然资源局(原禄丰县国土资源局)于2007年发现并组织挖掘和修理,目前陈展于禄丰世界恐龙谷博物馆中。该标本发现于与禄丰盆地毗邻的川街盆地,化石层位于禄丰组沙湾段中上部。标本包括较完整的头部骨骼及9枚颈椎。

  多年来,由中国科学院古脊椎动物与古人类研究所的尤海鲁研究员课题组系统发育分析结果显示,栗树龙属于早期分化的蜥脚形类,与著名的云南龙亲缘关系较近。栗树龙拥有禄丰组该类群中最大的头骨材料(长约40厘米),代表了该地区目前已报道的最大个体,其发现增加了中国西南地区恐龙的多样性,提高了对于早期分化蜥脚形类特征演化的认识。

  古生物地理分析推测早侏罗世的蜥脚型类在中国得到了快速扩散,并保持了持续的多样性优势,且在中国西南地区存在与蜥脚类起源密切相关的类群。

  王氏栗树龙化石出土于中国西南的云南禄丰侏罗纪红层,目前云南禄丰早侏罗世的蜥脚型类恐龙共计6属8种,包括许氏禄丰龙、巨型禄丰龙、黄氏云南龙、巨硕云南龙、新洼金山龙、孙氏细细坡龙、程氏星宿龙和孙氏彝州龙。(完)

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