Zelentia, Picton, 2017

Picton, Bernard, 2017, Ontogeny as an important part of integrative taxonomy in tergipedid aeolidaceans (Gastropoda: Nudibranchia) with a description of a new genus and species from the Barents Sea, Zootaxa 4324 (1) : 4

Genus Zelentia gen. nov.

Type species: Eolis pustulata Alder & Hancock, 1854

http://zoobank.org/urn:lsid:zoobank.org:act:8EC46FCB-EA00-428B-AF08-3DA5C3808DF9

Diagnosis. 3-4 anterior rows of cerata, oral tentacles present, no anterior foot corners, jaws with single row of simple denticles, radular teeth narrow with low cusp, penis with curved stylet.

Etymology. After the short name Zelentsy of the subpolar settlement at the Barents Sea Dalnie Zelentsy where two ontogenetically and molecularly distinct Zelentia species co-occur.

Species included. Zelentia fulgens ( MacFarland, 1966) comb. nov., Zelentia ninel sp. nov. ( Fig. 1 ) , Zelentia pustulata ( Alder & Hancock, 1854) comb. nov. ( Fig. 2 ).

Remarks. See under Discussion. Comparison of the diagnostic characters of the genus Zelentia gen. nov. with other genera of the family Trinchesiidae is presented in the Table 3.

Figures

FIGURE 1. Zelentia ninel gen. et sp. nov., A – B, Holotype ZMMU Op- 509, living animal, 6 mm length, Barents Sea, Dalne- Zelenetskaya Bay, intertidal. A. Dorsal view; B. Ventral view; C. Living specimen on hydroids with egg mass; D. Paratype, ZMMU Op- 401, radular teeth, anterior part, SEM; E. Jaws, lateral view, SEM; F. Jaws, SEM; G. Masticatory processes of jaws, SEM. H. Penis with curved stylet, SEM. I, same, close up of stylet, SEM. Scale bars: D— 10 µm, F— 100 µm, G, I— 10 µm, H— 20 µm. Photos: Tatiana Korshunova, Alexander Martynov.

FIGURE 2. Zelentia pustulata (Alder et Hancock, 1854) comb. nov., A – B, ZMMU Op- 512, living animal, 15 mm length, Barents Sea, Dalne-Zelenetskaya Bay, 12 m depth. A. Dorsal view; B. Ventral view; C. Living specimen, Strangford Lough, Irish Sea, 15 - 20 m; D. Living specimen, Achill Island, Ireland, 25 m; E. Living specimen, White Sea, Cape Kartesh, 15 - 20 m; F. radular teeth, anterior part, Barents Sea, SEM; G. radular teeth, anterior part, Ireland, SEM; H. radular teeth, anterior part, White Sea, SEM; I. Jaws; White sea; J. Masticatory processes of jaws, SEM; K. Living specimen on hydroid Halecium sp., White Sea. L. Penis with stylet, SEM. Scale bars: F – H— 30 µm, J— 10 µm, L— 30 µm. Photos: (A-B, E, K) Tatiana Korshunova, Alexander Martynov, (C, D) Bernard Picton.