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How complex is the Naineris setosa species complex? First integrative study of a presumed cosmopolitan and invasive annelid (Sedentaria: Orbiniidae)

descriptionPublicationkeyboard_double_arrow_right Article 23 Nov 2023 Norway Publisher:Magnolia PressJournal:Zootaxa, volume 5,375, pages 349-378 (issn: 1175-5326, eissn: 1175-5334,

Authors: RICARDO ÁLVAREZ; NATALIYA BUDAEVA;

doi: 10.11646/zootaxa.5375.3.3

pmid: 38220815

handle: 11250/3129315

How complex is the Naineris setosa species complex? First integrative study of a presumed cosmopolitan and invasive annelid (Sedentaria: Orbiniidae)

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Abstract

We performed a comparative study of the specimens from the Naineris setosa complex from the Pacific and the Atlantic Oceans and re-described the syntype of N. setosa, including the selection of the lectotype. Molecular phylogenetic and species delimitation analyses based on two mitochondrial (COI and 16S) and one nuclear (28S) marker revealed the presence of three species. One clade with wide Amphi-Atlantic distribution was attributed as Naineris setosa s. str. The second Atlantic clade restricted to Southern and Southeastern Brazil was described as a new species, Naineris lanai sp. n. The third clade, reported from the Northwestern Pacific, was identified as a new species but was not formally described due to the presence of only juvenile-sized worms in the studied material. Detailed morphological descriptions of several diagnostic characters in the Naineris setosa complex are provided.

Country

Norway

Related Organizations

University of Bergen
Norway
State University of West Paraná
Brazil
Hospital de Clínicas Universidade Federal do Paraná
Brazil

Keywords

570, Orbiniidae, Annelida, 590, Polychaeta, Biodiversity, Animalia, Animals, Sabellida, Phylogeny, Taxonomy

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