Comments

Shape and rostrocaudal breadth of the dorsal margin of the infratemporal fenestra relative to that of the dorsal orbital margin. State 0:subrectangular lateral profile, with a dorsal infratemporal margin that is approximately as wide as the ventral margin. This figure shows the outlines of a number of hadrosaurid taxa in right lateral view. A, Corythosaurus intermedius (CMN 8503). B, C. intermedius (CMN 8704). C, C. intermedius (ROM 845). D, C. intermedius (TMP 80.23.4). E, Corythosaurus sp. (ROM 870). F, C. casuarius (AMNH 5240). G, C. casuarius (AMNH 5338). H, C. casuarius (ROM 871). I, Gryposaurus monumentensis (RAM 6797). J, G. notabilis (CMN 2278). K, G. notabilis (MSNM V345). L, G. notabilis (ROM 873). M, G. notabilis (TMP 80.22.1). N, Hypacrosaurus altispinus (CMN 8501). O, H. altispinus (ROM 789). P, Kritosaurus navajovius (AMNH 5799). Q, K. navajovius (NMMNH P-16106). R, Lambeosaurus lambei (AMNH 5340, juvenile). S, L. lambei (CMN 8703). T, L. lambei (CMN 8633, subadult). U, L. lambei (AMNH 5353). V, L. lambei (AMNH 5373). W, L. lambei (ROM 1218).

Determination annotations

Other Annotations