Figure 20 in Morphology and phylogenetic significance of the pectoral articular region in elasmobranchs (Chondrichthyes)

Figure 20. Pectoral girdle and fin of Sympterygia acuta (MZUSP uncatalogued, female, 256 mm disc width). A, right lateral view of scapula. B, right lateral oblique view of scapula depicting pectoral articular region. C, proximal surface of pectoral basals. D, ventral view of pectoral girdle. E, dorsal view of pectoral girdle. F, ventral view of right pectoral fin. Illustrations not to scale. In A–C and F anterior to right; in D and E anterior to top. Anatomical abbreviations: adf, anterodorsal fenestra; avf, anteroventral fenestra; cor, coracoid bar; dr, distal radial; mes, mesopterygium; mr, medial radial; msc, mesocondyle; mtc, metacondyle; mtp, metapterygium; pc, procondyle; pfm, pectoral foramina; pr, proximal radial; pro, propterygium; pvf, posteroventral fenestra; scp, scapular process; ssc, suprascapula.