Fig. 1 | Nature Communications

Fig. 1

From: Fossilized skin reveals coevolution with feathers and metabolism in feathered dinosaurs and early birds

Fig. 1

Phosphatised soft tissues in non-avian maniraptoran dinosaurs and a basal bird. a–h Backscatter electron images of tissue in Confuciusornis (IVPP V 13171; a, e, f), Beipiaosaurus (IVPP V STM31-1; b, g), Sinornithosaurus (IVPP V 12811; c, h) and Microraptor (IVPP V 17972A; d). a–d Small irregularly shaped patches of tissue. e Detail of tissue surface showing polygonal texture. f Focused ion beam-milled vertical section through the soft tissue showing internal fibrous layer separating two structureless layers. g, h Fractured oblique section through the soft tissues, showing the layers visible in f

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