Dendronotus zakuro Martynov, Fujiwara, Tsuchida, R.Nakano, N.Sanamyan, K.Sanamyan, Fletcher & Korshunova 2020

• Main Authors: Korshunova, Tatiana, Bakken, Torkild, GrØtan, Viktor V., Johnson, Kjetil B., Lundin, Kennet, Martynov, Alexander
• Format: Other/Unknown Material
• Language: unknown
• Published: 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Nudibranchia; Dendronotidae; Dendronotus; Dendronotus zakuro; Bakken; Grøtan; Pacific; Kamchatka
• Online Access: https://zenodo.org/record/4624016; https://doi.org/10.5281/zenodo.4624016

Dendronotus zakuro Martynov, Fujiwara, Tsuchida, R. Nakano, N. Sanamyan, K. Sanamyan, Fletcher & Korshunova, 2020 Fig. 7 Dendronotuszakuro Martynov, Fujiwara, Tsuchida, Nakano, Sanamyan, Sanamyan, Fletcher, Korshunova, 2020a: 505–507, Figs 3, 5B. Extended diagnosis. Body narrow. Six to seven pairs of branched dorsolateral appendages. Five to seven appendages of oral veil. Circa five appendages (posterior ones the longest) of rhinophoral stalks. Lateral papilla of rhinophoral sheaths present. Rhinophores with 10–11 lamellae. Lip papillae 20–30. Basal colour bright red to reddish-brownish with thin white broken lines between dorsolateral appendages, also scattered opaque white dots and speckles on dorsal and lateral sides, and on various appendages. Dorsal processes of jaws inclined posteriorly at approximately 70° to the longitudinal axis of the jaw body and 0.5 of its length. Masticatory processess with ridge-like structures. Radula with up to 36 rows of teeth. Central tooth completely devoid of denticles (except for the anteriormost juvenile radula in some specimens), only sometimes faint traces of furrows occur. Up to 12 lateral teeth with up to seven denticles. Ampulla moderately narrow, sligthly bent. Bursa copulatrix very large, oval. Seminal receptaculum small placed distally at considerable distance from the vaginal opening. Prostate discoid withcirca 25 alveolar glands. The vas deferens is moderate in length, penis conical, curved. Body length upto 30 mm. Distribution. NW Pacific, so far recorded from Kamchatka, Russia, southern part of Hokkaido and Honshu, Japan (the Sea of Japan side). Bathymetry. Shallow waters, at depths of circa 7– 20 m. Remarks. This species has recently been described in detail (Martynov et al., 2020a). Published as part of Korshunova, Tatiana, Bakken, Torkild, GrØtan, Viktor V., Johnson, Kjetil B., Lundin, Kennet & Martynov, Alexander, 2021, A synoptic review of the family Dendronotidae (Mollusca: Nudibranchia): a multilevel organismal diversity approach, pp. 93-153 in ...