Figure 3
From: Unusual pectoral apparatus in a predatory dinosaur resolves avian wishbone homology
Mechanically prepared pectoral region of Halszkaraptor escuilliei MPC D-102/109. (a) Exposed sternum and furcula in visceral view. (b) Detail of the sternal articular surface of the furcula in left laterovisceral view. c10 10th cervical vertebra, d1 1st dorsal vertebra, d12 12th dorsal vertebra, ep epicleideum, fe femur, hy hypocleideum, lm lipped margin of the sternal facet, ri ribs, sms open midline suture between the sternal plates, st sternal plate, ti tibia. Scale bar: 30Â mm (a), 10Â mm (b). Photos by T. Hubin.
