Fig. 5 in A new piece in the puzzle for the riverine slugs of the Acochlidiidae (Gastropoda: Panpulmonata: Acochlidimorpha) helps tracing steps of their freshwater invasion

Fig. 5 Semischematic map of the central nervous system (CNS) of Wallacellia siputbiru n. gen. n. sp., posterodorsal view, anterior to the top. Based on reconstruction of paratype. Fully schematic map at lower right. Abbreviations: bcm, buccal commissure; bg, buccal ganglion; cbc, cerebro-buccal connective; ccm, cerebral commissure; cg, cerebral ganglion; cgl, "gland" above cerebral commissure; ey, eye; gn, genital nerve; gog, gastroesophageal ganglion; lpag, left parietal ganglion; lplg, left pleural ganglion; ltn, labial tentacle nerve; npag, parietal nerve; lvc, long connective of visceral loop; on?, putative oral nerve; opn, optic nerve; opg, optic ganglion; osg, osphradial ganglion; osn, osphradial nerve; pcm, pedal commissure; pg, pedal ganglion; pn1–pn4, pedal nerves; rhg, rhinophoral ganglion; rhn, rhinophoral nerve; rn, radular nerve; rpag, right parietal ganglion; rplg, right pleural ganglion; sc, statocyst; subg, subintestinal ganglion; supg, supraintestinal ganglion; vg, visceral ganglion; vn, visceral nerve