New species of Anguillosyllis Day, 1963 (Annelida, Syllidae) from polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean

  • Lenka Neal Life Sciences Department, Natural History Museum, London, SW7 5BD, UK
  • Regan Drennan Life Sciences Department, Natural History Museum, London, SW7 5BD, UK https://orcid.org/0000-0003-0137-5464
  • Helena Wiklund Life Sciences Department, Natural History Museum, London, SW7 5BD, UK https://orcid.org/0000-0002-8252-3504
  • Eva C.D. Stewart Life Sciences Department, Natural History Museum, London, SW7 5BD, UK
  • Muriel Rabone Life Sciences Department, Natural History Museum, London, SW7 5BD, UK
  • Thomas G. Dahlgren Department of Marine Sciences, University of Gothenburg, Box 463, 40530 Gothenburg, Sweden
  • Adrian G. Glover Life Sciences Department, Natural History Museum, London, SW7 5BD, UK
DOI: https://doi.org/10.5852/ejt.2025.1026.3105
Keywords: CCZ, deep-sea mining, taxonomic novelty, species distribution, molecular phylogeny, 18S, 16S, COI

Abstract

The benthic annelid fauna of polymetallic nodule fields in the eastern Clarion-Clipperton Zone (CCZ), abyssal Central Pacific has recently been the subject of taxonomic investigations aiming to document the biodiversity of this region. While annelids are abundant and diverse within the CCZ, particularly high diversity was discovered within the syllid genus Anguillosyllis Day, 1963 from material collected during environmental surveys targeting exploration contract areas ‘UK-1’, ‘OMS’ and ‘NORI-D’, as well as Area of Particular Environmental Interest, ‘APEI-6’. From the total Anguillosyllis material examined (134 specimens), 37 specimens were amenable to the formalization of three new species: Anguillosyllis dalgleishae sp. nov., A. finnelli sp. nov., and A. villarae sp. nov. Prior to this study, 20 species of Anguillosyllis were known worldwide and only two species were known from the CCZ – A. truebloodi Maciolek, 2020 and A. hessleri Maciolek, 2020.

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Published
2025-11-11
How to Cite
Neal, L., Drennan, R., Wiklund, H., Stewart, E. C., Rabone, M., Dahlgren, T. G., & Glover, A. G. (2025). New species of Anguillosyllis Day, 1963 (Annelida, Syllidae) from polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean. European Journal of Taxonomy, 1026(1), 30–64. https://doi.org/10.5852/ejt.2025.1026.3105
Issue
Vol. 1026 (2025)
Section
Research article

Copyright (c) 2025 Lenka Neal, Regan Drennan, Helena Wiklund, Eva C.D. Stewart, Muriel Rabone, Thomas G. Dahlgren, Adrian G. Glover

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