Comments

Predentary denticles of several iguanodontoidean ornithopods. A, Ouranosaurus nigeriensis (cast of GDF 300). B, Brachylophosaurus canadensis (MOR 1071-7-28-98-299). C, Corythosaurus intermedius (ROM 777). D, B. canadensis (CMN 8893). E, Bactrosaurus johnsoni (AMNH 6372, juvenile). F, Edmontosaurus sp. (UCMP unrecorded no., juvenile). G, Equijubus normani (IVPP 12534). H, Edmontosaurus sp. (UCMP Fld 4.5-83-90, juvenile). I, Protohadros byrdi (SMU 74582). J, Edmontosaurus sp. (UCMP FldAK 83-V-292, juvenile). K, cf. Corythosaurus ap. (USNM 11893, juvenile). L, Hypacrosaurus altispinus (CMN 8674). M, H. altispinus (CMN 8501). N, Gryposaurus notabilis (MSNM V345). O, Gryposaurus notabilis (MOR 553S-7-25-8-78). P, H. stebingeri (MOR 553S). Q, Prosaurolophus maximus (MOR 447-7-27-7-5). R, H. stebingeri (MOR 553S-7-27-2-9). S, cf. Lambeosaurus sp. (USNM 10309). T, Iguanodon sp. (NHM R105). U, Maiasaura peeblesorum (YPM-PU 22405). V, Tsintaosaurus spinorhinus (IVPP V723). W, Olorotitan ararhensis (cast of AEHM 2/845). X, C. intermedius (CMN 8676). Y, Lambeosaurus lambei (TMP 2005-00-28).

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