南极鸟类(学名:Austrodyptornithes)是鸟类的一个演化支,包括企鹅目和鹱形目 (如信天翁等)[1]。2014年对48种代表性鸟类的全基因组分析得出结论,企鹅是鹱形目的姐妹群,它们大约在6000万年前分开演化。[2][3]
分类
本类群是水鸟类的一个次演化支,鹈形目、鲣鸟目及鹳形目是本类群的姐妹群,关系如下:
水鸟类 |
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Aequornithes |
本类群两个目各科的关系如下:
南极鸟类 |
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Austrodyptornithes |
参考文献
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