Figure 3 : Forelimb of Chongmingia zhengi gen. et sp. nov. (STM9-9), in comparison with other basal avialans.

From: A new basal bird from China with implications for morphological diversity in early birds

Figure 3

(a) Right humerus of STM9-9 in caudal view; (b–g) line drawing of the humerus of other basal avialans (not scaled): (b) STM9-9; (c) Archaeopteryx (the Bürgermeister-Müller specimen); (d) Jeholornis prima; (e) Sapeornis chaoyangensis; (f) Confuciusornis sanctus; (g) Pterygornis dapingfangensis; (h) photograph and (i) line drawing of the left ulna and radius of STM9-9. Abbreviations: dc, dorsal condyle of the humerus; del, deltopectoral crest; fh, fenestra of the humerus; lh, left humerus; lr, left radius; lu, left ulna; rh, right humerus; rr, right radius; ru, right ulna. The arrows in (b,g) indicate the concave proximal margin of the humerus. Scale bars, 10 mm (a,h). (The photographs and line drawings were taken by Min Wang).