-45.683334, -24.1: 10 Treatments

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Ariadna obscura     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114: 25-29 25-29
Guasuctenus vittatissimus     Polotow, Daniele & Brescovit, Antonio D., 2019, Guasuctenus gen. nov., a new Neotropical spider genus of Ctenidae (Araneae), Zootaxa 4624 (4), pp. 539-550: 546-548 546-548
Hemimycale oxeata   sp. nov.  Huguenin, Larissa, Salani, Sula, Lopes, Maira F., Albano, Rodolpho M., Hajdu, Eduardo & Esteves, Eduardo Leal, 2018, Integrative taxonomy of Hemimycale (Hymedesmiidae: Poecilosclerida: Demospongiae) from Southeastern Brazil, with the description of two new species, Zootaxa 4442 (1), pp. 137-152: 140-143 140-143
Pagurus carmineus   sp. nov.  Lima, Daniel, Tavares, Marcos & Jr, Joel Braga De Mendonça, 2019, Paguroids (Decapoda: Anomura: Diogenidae and Paguridae) of the remote oceanic Archipelago Trindade and Martin Vaz, off southeast Brazil, with new records, description of three new species and , Zootaxa 4694 (1), pp. 1-63: 40-49 40-49
Pagurus brevidactylus     Lima, Daniel, Tavares, Marcos & Jr, Joel Braga De Mendonça, 2019, Paguroids (Decapoda: Anomura: Diogenidae and Paguridae) of the remote oceanic Archipelago Trindade and Martin Vaz, off southeast Brazil, with new records, description of three new species and , Zootaxa 4694 (1), pp. 1-63: 37-40 37-40
Sparisoma tuiupiranga   new species  Joao Luiz Gasparini, Jean-Christophe Joyeux & Sergio R. Floeter, 2003, Sparisoma tuiupiranga, a new species of parrotfish (Perciformes: Labroidei: Scaridae) from Brazil, with comments on the evolution of the genus., Zootaxa 384, pp. 1-14: 2-12 2-12
Stenoterommata crassimana   n. comb.  Bertani, Rogério, Mori, André & Fukushima, Caroline Sayuri, 2017, Spiders of the São Paulo state islands, Brazil: redescription of Stenoterommata crassimana (Mello-Leitão, 1923) n. comb. (Araneae, Nemesiidae), Zootaxa 4363 (2), pp. 237-248: 240-247 240-247
Petta alissoni   n. sp.  Nogueira, João Miguel De Matos, Ribeiro, William M. G., Carrerette, Orlemir & Hutchings, Pat, 2019, Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic, Zootaxa 4571 (4), pp. 489-509: 502-506 502-506
Ophiothrix rathbuni     Santana, Alisson, Manso, Cynthia L. C., Almeida, Ana C. S. & Alves, Orane F. S., 2020, Taxonomic review of Ophiothrix Müller & Troschel, 1840 (Echinodermata Ophiuroidea) from Brazil, with the description of four new species, Zootaxa 4808 (1), pp. 51-78: 74 74
Ophiothrix rathbuni     Santana, Alisson, Manso, Cynthia L. C., Almeida, Ana C. S. & Alves, Orane F. S., 2020, Taxonomic review of Ophiothrix Müller & Troschel, 1840 (Echinodermata Ophiuroidea) from Brazil, with the description of four new species, Zootaxa 4808 (1), pp. 51-78: 52-55 52-55