Extended Data Fig. 7: Plumage details in Archaeopteryx FMNH PA 830.
From: Chicago Archaeopteryx informs on the early evolution of the avian bauplan
a, scapulars and left humeral and ulnar tertials under UVABC; b, c, close up of the left tertials showing the preservation of barbs, rachises, and vane symmetry; d, open pennaceous body feathers preserved dorsal to the proximal caudal vertebrae and projecting off the left femur; e, close up of the open pennaceous feathers preserved in (d). Scale bar in (a) equals 2 cm, 5 mm in (b-c, e), and 1 cm in (d). Anatomical abbreviations not listed in Fig. 1 caption: ba, barbs; cv, wing coverts; op, open pennaceous body feathers; rh, rachis.
