title: Styela cearense n. sp. (Ascidiacea: Styelidae) from the Northeastern Brazilian Coast.
abstract: The species Styela cearense n. sp. is described from material collected in shallow waters at the Ceará State, Northeastern Brazil. Discussion includes several other species with one gonad on each side of the body, and a tabular key is provided. A set of important anatomical features and their intraspecific variability within the genus is considered, including the number of branchial and stomach folds, the presence of endocarps, and anal border shape.
authors.affiliation: Graduate Program in Tropical Marine Sciences, Universidade Federal do Ceará, Ceará, Brazil. Av. Abolição 3207, CEP 60165-082 Fortaleza-CE, Brasil; Email: unknown.
authors.forename: Ronaldo Ruy De Oliveira
authors.initials: RR
authors.lastname: Filho
authors.affiliation: Graduate Program in Tropical Marine Sciences, Universidade Federal do Ceará, Ceará, Brazil. Av. Abolição 3207, CEP 60165-082 Fortaleza-CE, Brasil Instituto Oceanográfico, Universidade de São Paulo, Praça do Oceanográfico, 191, 05508-120, São Paulo-SP, Brazil.; Email: tmlotufo@usp.br.
authors.forename: Tito Monteiro Da Cruz
authors.initials: TM
authors.lastname: Lotufo
mesh_terms: D000818:Animals; D001938:Brazil; D014561:Urochordata / Q000033:anatomy & histology* / Q000145:classification*