Taxonomy of Leodice Lamarck, 1818 (Annelida, Eunicidae) from Northeast Brazil (Tropical Southwest Atlantic Ocean) with description of a new species Author Souza, Thaís Kananda Da Silva Programa de Pós-graduação em Zoologia. Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s / n, São Cristovão, Rio de Janeiro, RJ 20940 - 040, Brazil. Current address. & Laboratório de Biodiversidade de Annelida (LaBiAnne), Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Av. Bartolomeu de Gusmão, 875, São Cristóvão, Rio de Janeiro, RJ 20941 - 160, Brazil. Author Zapff, Luana Author Christoffersen, Martin Lindsey Author Zanol, Joana Laboratório de Biodiversidade de Annelida (LaBiAnne), Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Av. Bartolomeu de Gusmão, 875, São Cristóvão, Rio de Janeiro, RJ 20941 - 160, Brazil. text Zootaxa 2024 2024-08-05 5492 2 151 175 http://dx.doi.org/10.11646/zootaxa.5360.3.8 journal article 10.11646/zootaxa.5492.2.1 1175-5326 13219174 4F1EFAD5-6C53-4A2C-8694-AD45B222A9EF Genus Leodice Lamarck, 1818 Type species. Leodice antennata Savigny in Lamarck, 1818 . Diagnosis sensu Zanol & Budaeva (2021) . Median, lateral antennae and palps present with regular or irregular articulations. Prostomium anteriorly steep truncate or round. Peristomial cirri present. Maxillae with four or five paired plates and one unpaired plate. Mandibles flat. Limbate chaetae, thin shafted pectinate chaetae, compound bidentate or tridentate falcigers, aciculae, and subacicular hooks present. Aciculae light or dark. Dark aciculae vary in color along body; anterior usually lightest but maintain similar color. Subacicular hooks light or dark, bidentate or tridentate. Lateral black dots between parapodia present or absent ( sensu Zanol et al. 2014 ). Remarks. The genus Leodice Lamarck, 1818 was revalidated by Zanol et al . 2014 , and amended to represent a clade that includes the type species, L. antennata . Leodice includes species with five prostomial appendages, peristomial cirri, subacicular hooks and at least one of the following exclusive features: 1. regularly articulated prostomial appendages, 2. light bidentate or tridentate subacicular hooks or, 3. lateral black dots between parapodia. It shares with Eunice Cuvier, 1817 , Euniphysa Wesenberg-Lund, 1949 , Fauchaldius Carrera-Parra & Salazar-Vallejo, 1998 and Nicidion Kinberg, 1865 , five prostomial appendages, a pair of peristomial cirri, and dark subacicular hooks ( Zanol et al. 2014 ).