新平胸类

新平胸类
	南方鹤鸵（Casuarius casuarius）
科学分类
界：	动物界 Animalia
门：	脊索动物门 Chordata
纲：	鸟纲 Aves
演化支：	古颚类 Palaeognathae
演化支：	南方古颚类 Notopalaeognathae
演化支：	新平胸类 Novaeratitae; Yuri et al., 2013
目
	鹤鸵目 Casuariiformes; †隆鸟目 Aepyornithiformes; 无翼鸟目 Apterygiformes;

新平胸类（学名：Novaeratitae）为古颚下纲下的一个演化支，包含了鹤鸵目（鹤鸵与鸸鹋）、无翼鸟目（鹬鸵）及它们的共同祖先^[1]^[2]。近年来的研究显示，包含象鸟在内已灭绝的隆鸟目为现存鹬鸵的近亲，因此也被分类至此演化支下^[3]。由于象鸟所栖息的马达加斯加与大洋洲相隔一段距离，这意味著新平胸类物种是在飞抵各岛屿后才失去飞行能力的^[3]。

参考文献

^ Hackett, S.J. et al. (2008) A Phylogenomic Study of Birds Reveals Their Evolutionary History. Science, 320, 1763.
^ Yuri, T. (2013) Parsimony and model-based analyses of indels in avian nuclear genes reveal congruent and incongruent phylogenetic signals. Biology, 2:419–44.
^ ^3.0 ^3.1 Mitchell, K. J.; Llamas, B.; Soubrier, J.; Rawlence, N. J.; Worthy, T. H.; Wood, J.; Lee, M. S. Y.; Cooper, A. Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution. Science. 2014-05-23, 344 (6186): 898–900. Bibcode:2014Sci...344..898M. PMID 24855267. S2CID 206555952. doi:10.1126/science.1251981. hdl:2328/35953 .

[1] Hackett, S.J. et al. (2008) A Phylogenomic Study of Birds Reveals Their Evolutionary History. Science, 320, 1763.

[2] Yuri, T. (2013) Parsimony and model-based analyses of indels in avian nuclear genes reveal congruent and incongruent phylogenetic signals. Biology, 2:419–44.

[Mitchell2014-3] 3.0 ^3.1 Mitchell, K. J.; Llamas, B.; Soubrier, J.; Rawlence, N. J.; Worthy, T. H.; Wood, J.; Lee, M. S. Y.; Cooper, A. Ancient DNA reveals elephant birds and kiwi are sister taxa and clarifies ratite bird evolution. Science. 2014-05-23, 344 (6186): 898–900. Bibcode:2014Sci...344..898M. PMID 24855267. S2CID 206555952. doi:10.1126/science.1251981. hdl:2328/35953 .

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