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Articles
Published: 2020-12-28

On Polycirrus changbunker sp. nov. (Annelida: Terebelliformia: Polycirridae), a new species of polycirrid worms from southwestern Atlantic

Laboratório de Poliquetologia (LaPol), Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, travessa 14, n. 101, 05508-090, São Paulo, SP, Brazil
Laboratório de Poliquetologia (LaPol), Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, travessa 14, n. 101, 05508-090, São Paulo, SP, Brazil
Laboratório de Poliquetologia (LaPol), Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, travessa 14, n. 101, 05508-090, São Paulo, SP, Brazil
Laboratório de Poliquetologia (LaPol), Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, travessa 14, n. 101, 05508-090, São Paulo, SP, Brazil Laboratório de Ecologia e Evolução de Mar Profundo, Departamento de Oceanografia Biológica, Instituto Oceanográfico, Universidade de São Paulo, Praça do Oceanográfico, 191, 05508-120, São Paulo, SP, Brazil, São Paulo, Brazil
Annelida

Abstract

Polycirrus changbunker sp. nov. is herein described, from specimens collected off the states of Paraná (type locality, southern Brazil), São Paulo (southeastern Brazil), and Pernambuco and Paraíba (northeastern Brazil). Members of Polycirrus changbunker sp. nov. present 31–43 pairs of notopodia, bearing pinnate and narrowly-winged chaetae, neuropodia beginning on segment 9, bearing type 1 uncini sensu Glasby & Glasby (2006) throughout, paired ventro-lateral glandular pads on segments 3–13, and nephridial and genital papillae on segments 3–8. A full description for members of Polycirrus changbunker sp. nov. is herein provided, together with a comparison with the individuals of the most similar congener species.

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