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Woodruff, C. D., Naish, D., & Dunning, J. (2020). Photoluminescent visual displays: An additional function of integumentary structures in extinct archosaurs? Historical Biology, 1–8. 
Added by: Sarina (2021-03-13 10:09:11)   
Resource type: Journal Article
DOI: 10.1080/08912963.2020.1731806
BibTeX citation key: Woodruff2020
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Categories: Englisch = English
Creators: Dunning, Naish, Woodruff
Collection: Historical Biology
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Abstract
ABSTRACTMany extant invertebrate and vertebrate taxa possess osteological, keratinous, or chitinous structures that are photoluminescent: that is, variably coloured and patterned when observed under ultraviolet light. These features are frequently associated with inter- and/or intraspecific display. Among terrestrial vertebrates, keratinous photoluminescent capabilities are especially well documented in birds. Inspired by recent discoveries, we consider whether non-bird dinosaurs, the evolutionary precursors to birds, might also have possessed photoluminescent display structures. Dinosaurs and other bird-line archosaurs (collectively ornithodirans) often possess extravagant structures that likely functioned in visual display. From a phylogenetic bracketing perspective, UV-sensitive visual capabilities in extant reptiles – including Aves – support the likelihood of tetrachromatic vision in extinct ornithodirans. The ability to perceive the ultraviolet, or near-ultraviolet, range of the visible light spectrum, combined with the presence of extravagant, keratinous-covered display structures, supports proposals that these features may have played an important role in inter- and intraspecific visual displays and communication in extinct Mesozoic bird-line archosaurs.
Added by: Sarina  
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