English: AMNH 21321, lectotype skull of Brachycrus laticeps mooki, lateral view. A, illustration based on Schultz and Falkenbach's published drawing showing missing parts and areas reconstructed in plaster, B, photograph of specimen as it currently appears, much of the plaster in the orbital and pterygoid regions having been removed. Dotted lines in illustration indicate missing structures; areas shaded in gray were reconstructed in plaster. Line illustration was modified from Schultz and Falkenbach, 196 8, Figure 46. Used with permission of the Department of Library Services, American Museum of Natural History.