70 (3): 319 – 331 © Senckenberg Gesellschaft für Naturforschung, 2020. 2020 Alpha taxonomy of Synallaxis stictothorax group (Aves: Passeriformes: Furnariidae): Synallaxis chinchipensis Chapman, 1925 as a valid species, with a lectotype designation Renata Stopiglia 1, 2, 3,*, Flávio A. Bockmann 3, 4, Claydson P. de Assis 2 & Marcos A. Raposo 2 1 Museu de História Natural do Ceará Prof. Dias da Rocha, Centro de Ciências da Saúde, Universidade Estadual do Ceará, Av. Dr. Silas Mun- guba, 1700, Campus Itaperi, 60741 – 000, Fortaleza, CE, Brazil — 2 Setor de Ornitologia, Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, s/n, 20940 – 040 Rio de Janeiro, RJ, Brazil — 3 Laboratório de Ictiologia de Ribeirão Preto, Departamento de Biologia, FFCLRP, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040 – 901 Ribeirão Preto, SP, Brazil — 4 Programa de Pós-Graduação em Biologia Comparada, FFCLRP, Universidade de São Paulo, Av. dos Bandeirantes 3900, 14040 – 901 Ribeirão Preto, SP, Brazil — * Corresponding author; email:
[email protected] Submitted July 10, 2019. Accepted July 6, 2020. Published online at www.senckenberg.de/vertebrate-zoology on August 7, 2020. Published in print on Q3/2020. Editor in charge: Martin Päckert Abstract The Synallaxis stictothorax group comprises poorly understood South American Furnariidae. This paper aims to present the morphological and nomenclatural aspects of this group, re-describing its valid species and to propose a fresh nomenclatural treatment for group members. Our analysis corroborated the specifc status of the disputed taxon Synallaxis chinchipensis and refuted the diagnostic characteristics of the subspecies Synallaxis stictothorax maculata. Following the recommendations of the Code, a lectotype was designated to the nominal species Synallaxis hypochondriaca.