FIGURE 1 in A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs

FIGURE 1. Rostral and premaxillae of NHMUK R4948, Chasmosaurus belli in A–B, right lateral, C–D, left lateral, and E–F, dorsal view. Abbreviations: pm dp, premaxillary dorsal process; pm f, premaxillary fenestra; pm fl, premaxillary flange extending into external naris; pm-m f, maxillary facet on premaxilla; pm-n f, nasal facet on premaxilla; pm sf, small foramen ventral to premaxillary fenestra on premaxilla; r, rostral; r dp, dorsal process of rostral; r pp, posterior process of rostral. Diagonal lines indicate broken bone. Scale bars equal to 20 cm.Published as part of Maidment, Susannah C. R. & Barrett, Paul M., 2011, A new specimen of Chasmosaurus belli (Ornithischia: Ceratopsidae), a revision of the genus, and the utility of postcrania in the taxonomy and systematics of ceratopsid dinosaurs, pp. 1-47 in Zootaxa 2963 on page 7, DOI: 10.5281/zenodo.27817