Figure 4. Selected skull features. A, B in The phylogeny of charadriiform birds (shorebirds and allies) - reassessing the conflict between morphology and molecules

Figure 4. Selected skull features. A, B, cranium (ventrolateral view) of A, Haematopus ostralegus (Haematopodidae) and B, Burhinus oedicnemus (Burhinidae). C, D, caudal section of orbita of C, H. ostralegus and D, Sterna paradisaea (Sternidae). E, cranium of Rostratula benghalensis (Rostratulidae) in ventral view. F–I, os lacrimale/os ectethmoidale complex of F, Sterna paradisaea (Sternidae); G, Larus fuscus (Laridae); H, Alca torda (Alcidae); and I, Pluvianus aegyptius (Pluvianidae). J–M, basicranial area (ventral view) of J, Sterna paradisaea (Sternidae); K, Chionis minor (Chionidae); L, Haematopus ostralegus (Haematopodidae); and M, Burhinus oedicnemus (Burhinidae). Abbreviations: bpt, processus basipterygoideus; ccv, concavity next to condylus medialis of quadratum; cdf, foramen caudal of foramen nervi maxillomandibularis; fnm, foramen nervi maxillomandibularis; for, foramen formed by duct of nasal gland; hlp, hook-like projection on os pterygoideum; mpA, maxillopalatine strut A; orb, processus orbitalis of os lacrimale; plp, processus lateralis parasphenoidalis; smt, processus suprameaticus; unc, os uncinatum; zyg, processus zygomaticus. Figures not to scale.