Notes on some type specimens of the Natural History Museum of Pirassununga São Paulo, Brazil Author Azevedo-Santos, Valter M. 0000-0001-8986-6406 Faculdade Eduvale de Avaré, Avaré, São Paulo, Brazil. & Programa de Pós-Graduação em Biodiversidade, Ecologia e Conservação, Universidade Federal do Tocantins, Porto Nacional, Tocantins, Brazil. & valter. ecologia @ gmail. com; https: // orcid. org / 0000 - 0001 - 8986 - 6406 valter.ecologia@gmail.com Author Katz, Axel M. 0000-0002-2933-7163 Laboratório de Sistemática e Evolução de Peixes Teleósteos, Departamento de Zoologia, Instituto de Biologia, Programa de Pós-Graduação em Biodiversidade e Biologia Evolutiva, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. & axelmk @ gmail. com; https: // orcid. org / 0000 - 0002 - 2933 - 7163 axelmk@gmail.com Author Zawadzki, Cláudio H. 0000-0002-5642-4908 Universidade Estadual de Maringá. Departamento de Biologia. Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (Nupélia), Maringá, Paraná, Brazil. & chzawadzki @ hotmail. com; https: // orcid. org / 0000 - 0002 - 5642 - 4908 chzawadzki@hotmail.com Author Deprá, Gabriel De Carvalho 0000-0002-5520-9763 Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais (PEA), Departamento de Biologia (DBI), Centro de Ciências Biológicas (CCB), Universidade Estadual de Maringá. Av. Colombo, Maringá, Paraná, Brazil. & gabrieldepra @ gmail. com; https: // orcid. org / 0000 - 0002 - 5520 - 9763 gabrieldepra@gmail.com text Zootaxa 2023 2023-05-12 5284 3 540 552 http://dx.doi.org/10.11646/zootaxa.5284.3.5 journal article 10.11646/zootaxa.5284.3.5 1175-5326 7929660 45127EF8-9509-4954-8B61-064780FC5D90 Astyanax ( Astyanax ) trierythropterus Godoy 1970: 276 , figs. 1–4. Holotype : EEBP 706 , 22.2 mm SL( Figure 2 ): Brazil , S„o Paulo , Pirassununga , Mogi-Guaçu River at Emas waterfall ( Figure S6–S 7 ), tributary of Grande River , tributary of the Paraná River , ~ 21°55′35″S , 47°22′1″W , ~ 545m asl , 15 Apr 1969 . Remarks. Godoy (1970: 275) mentioned in his methodology that the description was performed based on “(...) the type and paratypes (...)”, meaning that the name-bearing “type” is a single specimen ( i.e. , the holotype ). However, holotype and paratypes were included in the same lot, viz . EEBP 706 ( Godoy 1970 ). Fortunately, the holotype was placed in a small flask within the jar, along with a label that reads “ typus ” ( Figure S8 ). In addition, the same label informs that the specimen was partially dissected ( Figure 2 ).