Marine invertebrates associated with rhodoliths / maerl beds from northeast Brazil (State of Paraiba) Author Costa, Dimitri de Araujo https://orcid.org/0000-0002-5399-2483 CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal & UFPB - Federal University of Paraiba, DSE - Department of Systematics and Ecology, Joao Pessoa, Brazil & Sea Servin, Aquario Paraiba, Joao Pessoa, Brazil & InPact - Interinstitutional Relations of the Research and Action Institute, Joao Pessoa, Brazil dimitri.costa@ciimar.up.pt Author Dolbeth, Marina CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, Matosinhos, Portugal Author Prata, Jessica https://orcid.org/0000-0002-0954-5459 UFPB - Federal University of Paraiba, DCB - Department of Biological Sciences, Areia, Brazil Author da Silva, Francisco de Assis UFPB - Federal University of Paraiba, DSE - Department of Systematics and Ecology, Joao Pessoa, Brazil Author da Silva, Geuba Maria Bernardo UFPB - Federal University of Paraiba, DSE - Department of Systematics and Ecology, Joao Pessoa, Brazil Author de Freitas, Paulo Ragner Silva IFPI - Federal Institute of Education, Science and Technology of Piaui, Urucui, Brazil Author Christoffersen, Martin Lindsey UFPB - Federal University of Paraiba, DSE - Department of Systematics and Ecology, Joao Pessoa, Brazil Author de Lima, Silvio Felipe Barbosa https://orcid.org/0000-0001-7892-5773 UFCG - Federal University of Campina Grande, CFP - Centro de Formacao de Professores, UACEN - Unidade Academica de Ciencias Exatas e da Natureza, Cajazeiras, Brazil & UFPB - Federal University of Paraiba, DSE - Department of Systematics and Ecology, Joao Pessoa, Brazil Author Massei, Karina InPact - Interinstitutional Relations of the Research and Action Institute, Joao Pessoa, Brazil Author de Lucena, Reinaldo Farias Paiva UFPB - Federal University of Paraiba, DSE - Department of Systematics and Ecology, Joao Pessoa, Brazil text Biodiversity Data Journal 2021 2021-07-21 9 62736 62736 http://dx.doi.org/10.3897/BDJ.9.e62736 journal article http://dx.doi.org/10.3897/BDJ.9.e62736 1314-2828-9-e62736 C44D274681CC5EFEB517B2624C051904 Lysidice unicornis (Grube, 1840) Materials Type status: Other material . Occurrence: catalogNumber: (CZAP-219), (CZAP-077); recordedBy: G. da Silva, D. Costa; individualCount: (3), (4) ; Location: locality: Miramar and Seixas Beaches; verbatimDepth: (4.0 m), (4.0 m) Distribution Atlantic Ocean (North to South), Brazilian coast ( Paraiba , Sao Paulo and Parana States), Mediterranean Sea, Red Sea, Madagascar and New Zealand ( Amaral et al. 2013 , Costa et al. 2017 , Read and Fauchald 2020e ). Distribution in Paraiba : Seixas Beach ( Costa et al. 2017 ), Cabo Branco Beach ( DeAssis et al. 2012 ) and Miramar Beach ( New record ). Notes Found inside the rhodoliths. Diagnosis ( Paxton 2009 , Salazar-Vallejo and Carrera-Parra 1997 , Zanol et al. 2014 ): Prostomium rounded without sulcus, with two eyes and only one smooth antenna (Fig. 2 f ). Lack of palps. Jaws eulabidognath-type (asymmetrical, posterior parts dentate to Mithraculus forceps -like, short carriers); mandible curved-like. Formula (maxillae): 1+1, 4+4, 4+0, 2+5 and 1+1. Peristomial cirri and branchiae absent. Notopodia with digitiform cirri, larger than ventral cirri. Neuropodia with globular cirri; with limbate, pectinates and falcigers chaetae; yellow aciculae single and yellow subacicular bidentate hooks.