Paracoryphella ignicrystalla sp. n. ZMMU Op-490. The Sea of Japan, Vostok Bay, living specimen 11.5 mm in fixed length: A dorsal view B ventral view C details of cerata D jaw, SEM E details of masticatory process of jaw, SEM F radular teeth, posterior part, showing second rudimentary row of lateral teeth (rlt), light microscopy G radular teeth, posterior part, SEM H lateral tooth, close up, SEM I dissected anterior part showing pharynx and reproductive system J ventral anterior part of fixed specimen showing external non-retractable penis (p). Abbreviations: am ampulla fgm female gland mass g gonad nc continuous notal edge p penis pvd prostatic vas deferens rlt rudimentary lateral teeth (second additional rudimentary row of lateral teeth); Scale bars: D = 100 μm; E, G = 30 μm; H = 10 μm. Photos and SEM images by A.V. Martynov.

  Part of: Korshunova T, Martynov A, Bakken T, Evertsen J, Fletcher K, Mudianta WI, Saito H, Lundin K, Schrödl M, Picton B (2017) Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda). ZooKeys 717: 1-139.