無孔亞綱
參考資料

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↑  Susan E. Evans.  (PDF). Paleontologica Polonica. 2009, 65: 145–178  [2012-12-21]. （原始内容存档 (PDF)于2020-11-06）. .
↑  Magdalena Borsuk−Białynicka; and Susan E. Evans.  (PDF). Paleontologica Polonica. 2009, 65: 203–234  [2012-12-21]. （原始内容存档 (PDF)于2020-11-06）.
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↑  Roos, Jonas; Aggarwal, Ramesh K.; Janke, Axel. . Molecular Phylogenetics and Evolution. Nov 2007, 45 (2): 663–673. PMID 17719245. doi:10.1016/j.ympev.2007.06.018.  引文使用过时参数coauthors (帮助)
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↑  Crawford, N. G.; Faircloth, B. C.; McCormack, J. E.; Brumfield, R. T.; Winker, K.; Glenn, T. C. (2012). "More than 1000 ultraconserved elements provide evidence that turtles are the sister group of archosaurs". Biology Letters. doi:10.1098/rsbl.2012.0331
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