Xu, X. In The Evolution of Feathers (eds Foth, C. & Rauhut, O. W. M.) 67–78 (Springer, 2020).
Yang, Z. et al. Pterosaur integumentary structures with complex feather-like branching. Nat. Ecol. Evol. 3, 24–30 (2019).
Unwin, D. M. & Martill, D. M. No protofeathers on pterosaurs. Nat. Ecol. Evol. 4, 1590–1591 (2020).
Benton, M. J., Dhouailly, D., Jiang, B. & McNamara, M. The early origin of feathers. Trends Ecol. Evol. 34, 856–869 (2019).
Pinheiro, F. L. et al. Chemical characterization of pterosaur melanin challenges color inferences in extinct animals. Sci. Rep. 9, 15947 (2019).
Li, Q. et al. Melanosome evolution indicates a key physiological shift within feathered dinosaurs. Nature 507, 350–353 (2014).
Rees, J. L. Genetics of skin and hair colour. Annu. Rev. Genet. 37, 67–90 (2003).
Eliason, C. M., Shawkey, M. D. & Clarke, J. A. Evolutionary shifts in the melanin‐based color system of birds. Evolution 70, 445–455 (2016).
Raposo, G. & Marks, M. S. Melanosomes—dark organelles enlighten endosomal membrane transport. Nat. Rev. Mol. Cell Biol. 8, 786–797 (2007).
Brusatte, S. L., O’Connor, J. K. & Jarvis, E. D. The origin and diversification of birds. Curr. Biol. 25, R888–R898 (2015).
Yang, Z. et al. Reply to: No protofeathers on pterosaurs. Nat. Ecol. Evol. 4, 1592–1593 (2020).
Marsh, R. L. & Dawson, W. R. In Animal Adaptation to Cold (ed Wang, L. C. H.) 205–253 (Springer, 1989).
Li, Q. et al. Plumage color patterns of an extinct dinosaur. Science 327, 1369–1372 (2010).
Smithwick, F. M., Nicholls, R., Cuthill, I. C. & Vinther, J. Countershading and stripes in the theropod dinosaur Sinosauropteryx reveal heterogeneous habitats in the Early Cretaceous Jehol Biota. Curr. Biol. 27, 3337–3343 (2017).
Vinther, J., Briggs, D. E., Prum, R. O. & Saranathan, V. The colour of fossil feathers. Biol. Lett. 4, 522–525 (2008).
McGraw, K. J. In Bird Coloration: Mechanisms and Measurements (eds Hill, G. E. & McGraw, K. J.) 243–294 (Harvard Univ. Press, 2006).
Martill, D. M., Bechly, G. & Loveridge, R. F. The Crato Fossil Beds of Brazil: Window into an Ancient World (Cambridge Univ. Press, 2007).
Rossi, V., McNamara, M. E., Webb, S. M., Ito, S. & Wakamatsu, K. Tissue-specific geometry and chemistry of modern and fossilized melanosomes reveal internal anatomy of extinct vertebrates. Proc. Natl Acad. Sci. USA 116, 17880–17889 (2019).
Prum, R. O. Development and evolutionary origin of feathers. J. Exp. Zool. 285, 291–306 (1999).
Prum, R. O. & Brush, A. H. The evolutionary origin and diversification of feathers. Q. Rev. Biol. 77, 261–295 (2002).
Kellner, A. W. et al. The soft tissue of Jeholopterus (Pterosauria, Anurognathidae, Batrachognathinae) and the structure of the pterosaur wing membrane. Proc. R. Soc. Lond. B 277, 321–329 (2010).
Wang, X., Zhou, Z., Zhang, F. & Xu, X. A nearly completely articulated rhamphorhynchoid pterosaur with exceptionally well-preserved wing membranes and “hairs” from Inner Mongolia, northeast China. Chin. Sci. Bull. 47, 226–230 (2002).
Sharov, A. G. Phylogeny of the Orthopteroidea (No. 595.72 SHA) (NTIS, 1971).
Unwin, D. M. & Bakhurina, N. N. Sordes pilosus and the nature of the pterosaur flight apparatus. Nature 371, 62–64 (1994).
Zheng, X. T., You, H. L., Xu, X. & Dong, Z. M. An Early Cretaceous heterodontosaurid dinosaur with filamentous integumentary structures. Nature 458, 333–336 (2009).
Xu, X., Tang, Z. L. & Wang, X. L. A therizinosauroid dinosaur with integumentary structures from China. Nature 399, 350–354 (1999). a.
Xu, X., Wang, X. L. & Wu, X. C. A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China. Nature 401, 262–266 (1999). b.
Xu, X., Zhou, Z. H. & Prum, R. O. Branched integumental structures in Sinornithosaurus and the origin of feathers. Nature 410, 200–204 (2001).
Xu, X. et al. Four-winged dinosaurs from China. Nature 421, 335–340 (2003).
Hu, D., Hou, L., Zhang, L. & Xu, X. A pre-Archaeopteryx troodontid theropod from China with long feathers on the metatarsus. Nature 461, 640–643 (2009).
Godefroit, P. et al. A Jurassic ornithischian dinosaur from Siberia with both feathers and scales. Science 345, 451–455 (2014).
Chiappe, L. M., Ji, S. A., Ji, Q. & Norell, M. A. Anatomy and systematics of the Confuciusornithidae (Theropoda, Aves) from the late Mesozoic of northeastern China. Bull. Am. Mus. Nat. Hist. 242 (1999).
Zhang, F. & Zhou, Z. A primitive enantiornithine bird and the origin of feathers. Science 290, 1955–1959 (2000).
Stettenheim, P. R. The integumentary morphology of modern birds—an overview. Am. Zool. 40, 461–477 (2000).
Unwin, D. M. & Martill, D. M. No protofeathers on pterosaurs. Nat. Ecol. Evol. 4, 1590–1591 (2020).
Campione, N. E., Barrett, P. M. & Evans, D. C. In The Evolution of Feathers: From their Origin to the Present (eds Foth, C. & Rauhut, O. M. W.) 213–243 (Springer, 2020).
Zhang, F. et al. Fossilized melanosomes and the colour of Cretaceous dinosaurs and birds. Nature 463, 1075–1078 (2010).
Li, Q. et al. Reconstruction of Microraptor and the evolution of iridescent plumage. Science 335, 1215–1219 (2012).
D’Alba, L. & Shawkey, M. D. Melanosomes: biogenesis, properties, and evolution of an ancient organelle. Physiol. Rev. 99, 1–19 (2019).
McNamara, M. E. et al. Decoding the evolution of melanin in vertebrates. Trends Ecol. Evol. 36, 430–443 (2021).
Rogers, C. S. et al. Synchrotron X-ray absorption spectroscopy of melanosomes in vertebrates and cephalopods: implications for the affinity of Tullimonstrum. Proc. R. Soc. B 286, 20191649 (2019).
Rossi, V., Webb, S. & McNamara, M. E. Hierarchical biota-level and taxonomic controls on the chemistry of fossil melanosomes revealed using synchrotron X-ray fluorescence. Sci. Rep. 10, 8970 (2020).
Landmann, L. In Biology of the Integument (eds Bereiter-Hahn, L. et al.) 150–187 (Springer, 1986).
Alexander, N. J. & Fahrenbach, W. H. The dermal chromatophores of Anolis carolinensis (Reptilia, lguanidae). Am. J. Anat. 126, 41–55 (1969).
Cooper, W. & Greenberg, N. In Biology of the Reptilia (eds Gans, E. C. & Crews, D.), 298–422 (Univ. Chicago Press, 1992).
Vinther, J. A guide to the field of palaeo colour: melanin and other pigments can fossilise: reconstructing colour patterns from ancient organisms can give new insights to ecology and behaviour. Bioessays 37, 643–656 (2015).
Baxter, L. L. & Pavan, W. J. Pmel17 expression is Mitf-dependent and reveals cranial melanoblast migration during murine development. Gene Expr. Patterns 3, 703–707 (2003).
Abràmoff, M. D., Magalhães, P. J. & Ram, S. J. Image processing with ImageJ. Biophotonics Int. 11, 36–42 (2004).
Hammer, Ø., Harper, D. A. & Ryan, P. D. PAST: paleontological statistics software package for education and data analysis. Palaeontologia Electr. 4, 9 (2001).
Venables, W. N. & Ripley, B. D. Modern Applied Statistics with S (Springer, 2002).
Babarović, F. et al. Characterization of melanosomes involved in the production of non-iridescent structural feather colours and their detection in the fossil record. J. R. Soc. Interface 16, 20180921 (2019).
Paradis, E. Analysis of Phylogenetics and Evolution with R (Springer, 2011).
Bell, M. A. & Lloyd, G. T. Strap: an R package for plotting phylogenies against stratigraphy and assessing their stratigraphic congruence. Palaeontology 58, 379–389 (2015).
Revell, L. J. Phytools: an R package for phylogenetic comparative biology (and other things). Methods Ecol. Evol. 3, 217–223 (2012).
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