Figure 3 in Phylogeny and classification of the Bucconidae (Aves, Galbuliformes) based on osteological characters

Figure 3. Ventral view of the skull. Com = condylus medialis os quadratum is longer and larger; E = os ectethmoidale; FC = fossa choanalis; FM = fossa medialis; FV = fossa ventralis; P = os palatinum; PC = proeminentia cerebelaris; PrOL = proc. orbitalis os lacrimale; PrMP = proc. maxillaris os palatinum; PrPP = proc. pterigoideus os palatinum; PrRP = proc. rostrodorsalis os palatinum; PrTP = proc. transpalatinus os palatinum; PrVL = proc. ventralis os lacrimale.