Figure 8
From: Anatomy and evolution of the pectoral filaments of threadfins (Polynemidae)
Innervation patterns of pectoral-fin rays of percomorphs. (a) Left lateral view of cranio-pectoral skeleton of Polydactylus virginicus, Polynemidae; opercle, subopercle, interopercle, and dorsal portions of hyomandibula and preopercle not shown; (b) schematic innervation pattern of Menidia beryllina (= M. gracilis), Atherinopsidae, modified from53; (c) schematic innervation pattern of Polycentrus schomburgkii, Polycentridae, modified from13; (d) schematic innervation pattern of Polynemidae. AbPF, abductor profundus filamentaris; AbPRc, abductor profundus radialis p. ceterae; AbSF, abductor superficialis filamentaris; AbSR, abductor superficialis radialis; AdSF, adductor superficialis filamentaris; AdSR, adductor superficialis radialis; Ana, angulo-articular; ArV, arrector ventralis; Asph, autosphenotic; Boc, basioccipital; Bsph, basisphenoid; Cl, cleithrum; Dt, dentary; Ecp, ectopterygoid; Enp, endopterygoid; Epoc, epioccipital; Exoc, exoccipital; F, pectoral filaments; Fr, frontal; IIIMd, ramus mandibularis trigeminus; IIIMx, ramus maxillaris trigeminus; IIIOS, ramus ophtalmicus superficialis trigeminus; Int, intercalar; LEth, lateral ethmoid; Me, mesethmoid; Mtp, metapterygoid (cut); Mx, maxilla; Na, nasal; OSV, compound ventral ramus of occipito-spinal nerves; Pa, parietal; Pal, palatine; Pop, preopercle (cut); Pmx, premaxilla; Pro, prootic; Psph, parasphenoid; Pst, posttemporal; Pto, pterotic; Ptsph, pterosphenoid; Qd, quadrate; R, pectoral-fin rays; Ra, retroarticular; RLA-OP, orbito-pectoralis branch of the ramus lateralis accessorius; Scl, supracleithrum (cut); Soc, supraoccipital; SV1–2, ventral ramus of spinal nerves 1–2; V, vertebra; VIH, ramus hyomandibularis facialis.
