Adalaria ultima Martynov & Korshunova 2017, sp. nov. ...

• Main Authors: Martynov, Alexander, Korshunova, Tatiana
• Format: Text
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Nudibranchia; Onchidorididae; Adalaria; Adalaria ultima; Arctic; Okhotsk; Pacific; okhotsk sea
• Online Access: https://dx.doi.org/10.5281/zenodo.6010359; https://zenodo.org/doi/10.5281/zenodo.6010359

Adalaria ultima sp. nov. (Figures 1, 3; 5B) http://zoobank.org/urn:lsid:zoobank.org:act:0684148E-3C12-4BEE-9C6D-CB33842EC258 Type Material. Holotype, ZMMU Op-551 (21 mm length), NW Pacific Ocean, Okhotsk Sea, Sakhalinsky Bay, depth 95 m, collector not known, 1985. Paratypes, 2 specimens, ZMMU Op-552, NW Pacific Ocean, Japan Sea, off Moneron Island, depth 40–60 m, collector not known, 29.08.1978. Type locality. Okhotsk Sea, Sakhalinsky Bay. Etymology. This species is named in reference to the remote far eastern range of this species in the north-west Pacific compared to the high latitude Arctic habitat of the related species A. rossica. Ultimus in Latin means far, and is an adjective. Description. External morphology. The length of the preserved holotype is 21 mm and 7 mm wide (Fig. 3 A– B). The lengths of two preserved paratypes are 12 mm and 19.5 mm, their widths 4 mm and 7 mm. The notum is moderately broad, rounded in front and posteriorly. The rhinophores are long and retracted into sheaths with smooth ... : Published as part of Martynov, Alexander & Korshunova, Tatiana, 2017, World's northenmost and rarely observed Nudibranchs: three new Onchidoridid species (Gastropoda: Doridida) from Russian seas, pp. 391-404 in Zootaxa 4299 (3) on pages 396-398, DOI: 10.11646/zootaxa.4299.3.5, http://zenodo.org/record/836042 ...