Figure 6
From: Anatomy and evolution of the pectoral filaments of threadfins (Polynemidae)
Medial view of left pectoral girdle of Eleutheronema tetradactylum, Polynemidae. (a) superficial layers of muscles; (b) deepest layers of muscles (AdSR, AdSF, RLA-OP, and SV2 removed). AbPRc, abductor profundus radialis p. ceterae; AbSR, abductor superficialis radialis; AdMF, adductor medialis filamentaris; AdPF, adductor profundus filamentaris; AdPRec, adductor profundus radialis p. ectoprofunda; AdPRen, adductor profundus radialis p. endoprofunda; AdR, adductor radialis; AdSF, adductor superficialis filamentaris; AdSR, adductor superficialis radialis; ArD, arrector dorsalis; BL, Baudelot’s ligament; Cl, cleithrum; Co, coracoid; F, pectoral filaments; OSV, compound ventral ramus of occipito-spinal nerves; PcPr, postcoracoid process; R, pectoral-fin rays; RLA-OP, orbito-pectoralis branch of the ramus lateralis accessorius; Sc, scapula; Scl, supracleithrum; SV1–2, ventral ramus of spinal nerves 1–2.
