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Archelosauria is a clade proposed in 2014〔Crawford, Nicholas G., et al. "(A phylogenomic analysis of turtles )." Molecular phylogenetics and evolution (2014).〕 for the grouping of turtles and archosaurs (birds and crocodilians) and their fossil relatives. There were about 1000 ultra-conserved elements in their genome that are unique to turtles and archosaurs, but are not found in lepidosaurs (tuatara, lizards and snakes).〔Crawford, Nicholas G., et al. "(More than 1000 ultraconserved elements provide evidence that turtles are the sister group of archosaurs )." Biology letters 8.5 (2012): 783-786.〕 Other genome-wide analysis also supports this grouping. ==Classification== Archelosauria is a group used to unite archosaurs with turtles. It was found that Archelosauria was grouped within Sauria, as the sister branch to lizards and ''Sphenodon''. Below is the phylogeny from Crawford ''et al.'', showing interrelationships of Testudines at family level down to Durocryptodira.〔 |label2=Archelosauria |2= |label2=Cryptodira |2= }} }} }} }} 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Archelosauria」の詳細全文を読む スポンサード リンク
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