FIGURE 2. A in Systematics and preliminary phylogeny of Bornellidae (Mollusca: Nudibranchia: Dendronotina) based on morphological characters with description of four new species

FIGURE 2. A, Bornella stellifer (Adams and Reeve in Adams, 1848): General arrangement of the internal organs. Scale bar = 1 mm. Abbreviations: adg, anterior digestive gland; bb, buccal bulb; bdg, branches of the posterior digestive gland; cg, cerebral ganglion; in, intestine; oe, oesophagus; ov, ovotestis; pe, pericardium; pdg, posterior digestive gland; rps, reproductive system; rs, renal syrinx; sgl, salivary gland; st, stomach. B, Schematic drawing of a large buccal bulb. Scale bar = 1 mm.