Ziminella vrijenhoeki Valdés & Lundsten & Wilson 2018, sp. nov.

• Main Authors: Valdés, Ángel, Lundsten, Lonny, Wilson, Nerida G.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2018
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Gastropoda; Nudibranchia; Paracoryphellidae; Ziminella; Ziminella vrijenhoeki; Blue whale
• Online Access: https://doi.org/10.5281/zenodo.5971404; http://treatment.plazi.org/id/03BE87CCFFA8DE1D9B8E9D03790E5B1B

Ziminella vrijenhoeki sp. nov. (Figs. 2 D–E, 11–13) Type material. Holotype: Blue whale skeleton (implanted on 5 Oct 2004), Monterey Bay, California (36.772, - 122.083), 1018 m depth, ROV Tiburon (dive 1072), 13 Jan 2007, 20 mm preserved length (SIO-BIC M12137), GenBank accession numbers: MH 756136 ( COI ), MH 756130 ( 16S ), MH 756141 ( H3 ). Paratype: Whale skeleton (unknown species, likely naturally occurring), Monterey Bay, California, (36.7721, - 122.0831), 595 m depth, ROV Doc Ricketts (dive 94), 16 Nov 2009, 24 mm preserved length, dissected (SIO-BIC M12135), GenBank accession numbers: MH 756135 ( COI ), MH 756129 ( 16S ), MH 756140 ( H3 ). Description. Body elongate, narrow (Figs. 2D), with numerous elongate, thin, dorso-lateral cerata. Cerata arranged in densely packed rows, running from behind oral tentacles to posterior end of body (Figs. 2D, 11 C–D). Cerata increase in size in each row, lateral cerata typically shorter, dorsal cerata longer. Oral tentacles short and wide (Figs. 11 A–D, 11E), nearly conical in live animal (Fig. 2D). Foot corners tentacular, short, wide, almost spherical (Figs. 11C, 11D). Rhinophores elongate, smooth (Figs. 2D, 11B, 11E). Reproductive opening on right anterior portion of the body (Fig. 11 C–D), penis smooth and elongate (Fig. 11D). Anal opening dorso-lateral, posterior to pericardium (Fig. 11 C–D). Body color cream to reddish-orange, semi translucent, with viscera visible through skin as a yellowish mass (Fig. 2 D–E). Oral tentacles the same color as body, rhinophores redder and darker. Cerata translucent pale orange, with red digestive branches and white cnidosacs. Digestive system with large, muscular buccal bulb (Fig. 12A). Esophagus narrow, short, connecting anteriorly into buccal bulb. Digestive gland with lateral branches entering cerata. Intestine emerging laterally from right side of digestive gland, forming a loop and opening into anus on right side of body. Radular formula 27 × 1.1. 1 in paratype (SIO-BIC M12135). Rachidian radular teeth narrow (Fig. 13C), ...