Host identification for the deep-sea snail genus Haliella with description of a new species (Caenogastropoda, Eulimidae)
- 1. Meguro Parasitological Museum, Meguro, Japan
- 2. Mie University, Tsu, Japan
- 3. The University of Tokyo, Chiba, Japan
Description
A new parasitic species of eulimid gastropod, Haliella seisuimaruae sp. nov., is described from bathyal (728–978 m) waters off the Pacific coasts of Japan. It shows the closest resemblance to the type species H. stenostoma from the North Atlantic and Barents Sea in having a tall shell with an almost straight outer lip, but differs in having a junction of the parietal wall and columellar lip at 38% of the aperture height from the suture (33% in H. stenostoma), a slightly wider aperture and a more curved and extended columellar lip. The holotype of H. seisuimaruae sp. nov. was found attached to an irregular sea urchin, Brissopsis sp. cf. luzonica (Spatangoida: Brissidae). This represents the first direct observation of parasitic ecology and echinoderm host for the genus Haliella. A new replacement name, Eulima tsushimensis nom. nov., is proposed here for Eulima stenostoma A. Adams, 1861, which is preoccupied by Eulima stenostoma Jeffreys, 1858 (type of Haliella).
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Related works
- Has part
- 10.3897/zookeys.908.46613.figures4-5 (DOI)
- 10.3897/zookeys.908.46613.figure6 (DOI)
- 10.3897/zookeys.908.46613.figures1-3 (DOI)