FIGURE 2 in World's northenmost and rarely observed Nudibranchs: three new Onchidoridid species (Gastropoda: Doridida) from Russian seas

FIGURE 2. Adalaria rossica sp. nov. A. ZMMU Op-551, fixed holotype, 19.5 mm length, Franz Josef Land: dorsal, ventral and details of dorsal tubercles respectively; B. Living specimen (not collected), Franz Josef Land; C–H. Paratype ZMMU Op- 549; C. Buccal pump, lateral view; D. Buccal pump (dorsal view) and central nervous system; E. Dorsal view of general dissection; F. Labial cuticle (smooth), SEM; G. radular teeth, anterior and middle parts, SEM; H. radular teeth, close up of anterior view, SEM. Abbreviations: a, ampulla; bp, buccal pump; cns, central nervous system; dg, digestive gland; e, eye; fgm, female gland mass; h, heart; is, intestine; oe, oesophagus; ph, pharynx; pm, peripheral muscle; psh, penial sheath; rh, rhinophore; rsh, radular sheath; sg, salivary gland. Scale bars: A, C–E—1 mm; F—30 µm; G, H—100 µm. Photos: (A, C–H) Tatiana Korshunova, Alexander Martynov, (B) Oleg Savinkin.