FIGURE 3 in World's northenmost and rarely observed Nudibranchs: three new Onchidoridid species (Gastropoda: Doridida) from Russian seas

FIGURE 3. Adalaria ultima sp. nov. A–E. ZMMU Op-548, fixed holotype, 21 mm length, Okhotsk Sea, Sakhalinsky Gulf; A. Dorsal view; B. Ventral view; C. Buccal pump, lateral view; D. Buccal pump (dorsal view) and central nervous system; E. Dorsal view of general dissection; F, G. Paratype ZMMU Op-548, Okhotsk Sea; F. radular teeth, anterior and middle parts, SEM; G. radular teeth, close up of anterior view, SEM. Abbreviations: bp, buccal pump; cns, central nervous system; dg, digestive gland; e, eye; fgm, female gland mass; h, heart; oe, oesophagus; ph, pharynx; pm, peripheral muscle; psh, penial sheath; rh, rhinophore; rsh, radular sheath; sg, salivary gland. Scale bars: A–E—1 mm; F, G—100 µm. Photos: Tatiana Korshunova, Alexander Martynov.