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Reply to: No protofeathers on pterosaurs.
Yang Z, Jiang B, McNamara ME, Kearns SL, Pittman M, Kaye TG, Orr PJ, Xu X, Benton MJ. Yang Z, et al. Among authors: xu x. Nat Ecol Evol. 2020 Dec;4(12):1592-1593. doi: 10.1038/s41559-020-01309-8. Epub 2020 Sep 28. Nat Ecol Evol. 2020. PMID: 32989267 No abstract available.
Four-winged dinosaurs from China.
Xu X, Zhou Z, Wang X, Kuang X, Zhang F, Du X. Xu X, et al. Nature. 2003 Jan 23;421(6921):335-40. doi: 10.1038/nature01342. Nature. 2003. PMID: 12540892
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