Figure 11 from: Smith N (2011) Taxonomic revision and phylogenetic analysis of the flightless Mancallinae (Aves, Pan-Alcidae). ZooKeys 91: 1-116. https://doi.org/10.3897/zookeys.91.709

Figure 11 - Photograph A and line drawing B of the skull of Miomancalla howardi compared with the skull of Pinguinus impennis (C; not to scale; USNM 346387). Cross-hatched lines on the premaxilla represent abrasion and dotted lines represent approximate reconstruction of incomplete elements. Anatomical abbreviations: a articular cmf caudal mandibular fenestrae en external nares f frontal j jugal l lacrimal m mandible n nasal pm premaxilla nfh nasofrontal hinge o orbit rmf rostral mandibular fenestra sq squamosal; ? unidentified bone fragment.