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Issue: Vol. 5627 No. 2: 28 Apr. 2025
Type: Article
Published: 2025-04-28
DOI: 10.11646/zootaxa.5627.2.6
Page range: 343-359
Abstract views: 81
PDF downloaded: 3

Exploration of the Iziko South African Museum's collection and description of new species of Spaghetti worms (Annelida, Terebelliformia), part one

Univ. Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, Arcachon, France.
Australian Museum Research Institute, Australian Museum, NSW 2010, Sydney, Australia. Marine Ecology Group, School of Natural Sciences, Faculty of Science and Engineering, Wallumattagal Campus, Macquarie University, NSW 2109, Australia.
Annelida new species Eupolymnia Terebellides morphology Spaghetti worms taxonomy southern Africa

Abstract

In this study, we describe four new species of Spaghetti worms (Annelida: Terebellidae and Trichobranchidae) from South Africa, based on specimens stored since several decades in the Iziko South African Museum in Cape Town. The first one, Eupolymnia scholastica sp. nov. from Western Cape, is characterised by the presence of small lateral lobes present on segments II-IV, the presence of branchiae with short basal stems and well-developed branches and uncini with a main fang surmounted by crests with two rows of secondary teeth and upper crest of several small denticles. The three other species belong to Terebellides genus. The first one, T. marionensis sp. nov. from Marion Island (sub-Antarctic Indian Ocean), has a glandular lateral region on segment V, branchial lamellae without papillar projections and the presence of branchial lobes almost free from each other, terminating with short pointed tips. The second one, T. simonae sp. nov. from Western Cape, is characterised by the presence of a large glandular oval lateral region on segment V, the presence of papillar projections on margins only on the most anterior branchial lamellae and the presence of free branchial lobes terminating with filaments. Finally, T. talboti sp. nov. also described from Western Cape, has no glandular lateral region on segment V but has papillar projections on the margins of the branchial lamellae and the branchial lobes which are fused for approximately 1/2 of length terminating with pointed projections.

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How to Cite

Lavesque, N. & Hutchings, P. (2025) Exploration of the Iziko South African Museum’s collection and description of new species of Spaghetti worms (Annelida, Terebelliformia), part one. Zootaxa, 5627 (2), 343–359. https://doi.org/10.11646/zootaxa.5627.2.6