Figure 4 in Morphology and phylogenetic significance of the pectoral articular region in elasmobranchs (Chondrichthyes)

Figure 4. Pectoral girdle and fin of Zameus squamulosus (USNM 94520, female, 351 mm total length). A, ventral view of pectoral girdle. B, proximal surface of pectoral basals. C, right posterior view of base of scapula depicting pectoral articular region. D, right lateral view of pectoral girdle. E, oblique rear view of pectoral girdle. F, ventral view of right pectoral fin. Illustrations not to scale. In A and F anterior to top; in B and D anterior to right. Anatomical abbreviations: cde, pectoral condyle; cor, coracoid bar; df, diazonal foramen; dr, distal radial; mr, medial radial; mtp, metapterygium; pr, proximal radial; pro+mes, fused propterygium and mesopterygium; ptp, posterior triangular process of coracoid bar; scl, scapula; scp, scapular process.