Fig. 10

Innervation schemes shown from the frontal side based on data from this study. A Electra posidoniae. B Myriapora truncata. C Fenestrulina joannae. D Collarina balzaci. E Chorizopora brongniartii. F Bugula neritina. Abbreviations: abr – annular branch of trifid nerve, cg – cerebral ganglion, CON – circumoral nerve ring, ctsn – compound tentacle sheath nerve, dtsn – direct tentacle sheath nerve, lvn – laterovisceral neurite bundle, mlvn – mediolaterovisceral neurite bundle, mvn – mediovisceral neurite bundle, opn – opercular nerve, pbs – parietal branching site, pdin – parietodiaphragmatic nerve, php – pharyngeal nerve plexus, pmn – parietal muscle nerve, spn – sphincter nerve, tfd – trifid neurite bundle