Fig. 3 in Ontogeny and variation in the skull roof and braincase of the hadrosaurid dinosaur Maiasaura peeblesorum from the Upper Cretaceous of Montana, USA

Fig. 3. Hadrosaurid dinosaur Maiasaura peeblesorum Horner and Makela, 1979 (ROM 66182) from the Two Medicine Formation (Campanian), Linster Quarry, Montana, USA; disarticulated partial nasals. A. Paired posterior parts of nasals in dorsal (A1), anterior (A2), ventral (A3), and medial A4) views. B. Middle part of a nasal in lateral view. C. Anterior part of a nasal in lateral view.