Fig. 2. A in New hadrosaurid dinosaurs from the uppermost Cretaceous of northeastern China

Fig. 2. A. The hadrosaurid dinosaur Sahaliyania elunchunorum gen. et sp. nov., holotype GMH W453 from the Upper Cretaceous Yuliangze Formation at the Wulaga quarry, China. B. Hypacrosaurus altispinus Brown, 1913, specimen AMNH 5248 from the Upper Cretaceous Horseshoe Canyon Formation of Alberta, Canada. Braincases in dorsal (A1, A2) and left lateral (A3, A4) views; photographs (A1, A3) and explanatory drawings (A2, A4), with close−ups of the frontal region in S. elunchunorum (A5) and H. altispinus (B). Dotted lines indicate hypothetical sutures.