Jaws

Korshunova, Tatiana, Fletcher, Karin, Picton, Bernard, Lundin, Kennet, Kashio, Sho, Sanamyan, Nadezhda, Sanamyan, Karen, Padula, Vinicius, Schrödl, Michael & Martynov, Alexander, 2020, The Emperor’s Cadlina, hidden diversity and gill cavity evolution: new insights for the taxonomy and phylogeny of dorid nudibranchs (Mollusca: Gastropoda), Zoological Journal of the Linnean Society 189, pp. 762-827 : 802

Jaws

Rounded labial disk covered by dark-yellow to light brownish cuticle bearing rod-shaped labial elements with double to single hook-shaped tips ( Fig. 13F).

Radula

Radular formula approximately 90 × 97.1.97 (ZMMU Op-687, adult, Fig. 13G) and approximately 60 × 55.1.55 (ZMMU Op-688, subadult; Fig. 13K). Radular teeth slightly yellowish. Central tooth moderately elongate and bears three to five distinct cusps ( Fig. 13H, I, L). Inner lateral tooth hamate with relatively narrow base ( Fig. 13I) (more widened in subadult specimens; Fig. 13L) and short, strong, slightly curved cusp; three to five outer denticles and two to four inner denticles ( Fig. 13H, I, L). Outer lateral teeth are elongated hook-shaped, bearing up to seven sharpened denticles ( Fig. 13J, M).