-54.466667, -25.266666: 10 Treatments

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Brycon orbignyanus     Lima, Flávio C. T., 2017, A revision of the cis-andean species of the genus Brycon Müller & Troschel (Characiformes: Characidae), Zootaxa 4222 (1), pp. 1-189: 90-98 90-98
Tullgrenella serrana     Estol, Narelle, Marta, Kimberly S. & Rodrigues, Everton Nei Lopes, 2020, On the Neotropical spider genus Tullgrenella Mello-Leitão, 1941: two new species complementary descriptions and new records (Araneae: Salticidae), Zootaxa 4780 (2), pp. 356-366: 364-365 364-365
Epicadinus villosus     Prado, André Wanderley Do, Baptista, Renner Luiz Cerqueira & Machado, Miguel, 2018, Taxonomic review of Epicadinus Simon, 1895 (Araneae: Thomisidae), Zootaxa 4459 (2), pp. 201-234: 223-229 223-229
Epicadus camelinus     Machado, Miguel, Teixeira, Renato Augusto & Lise, Arno Antonio, 2018, There and back again: More on the taxonomy of the crab spiders genus Epicadus (Thomisidae: Stephanopinae), Zootaxa 4382 (3), pp. 501-530: 506-507 506-507
Gephyrellula violacea     Santos, Fabricio H. & Rheims, Cristina A., 2018, Taxonomic revision of the genus Gephyrellula Strand, 1932 (Arachnida, Araneae, Philodromidae), Zootaxa 4527 (3), pp. 381-391: 383-388 383-388
Otothyropsis dialeukos   new species  Calegari, Bárbara B., Morlis, Walter Gill & Reis, Roberto E., 2017, A new species of Otothyropsis (Siluriformes: Loricariidae) from the upper Río Paraná basin, Paraguay, with a discussion of the limits between Otothyropsis and Hisonotus, Zootaxa 4244 (2), pp. 231-245: 232-236 232-236
Holotrochus paraguensis   sp. nov.  Irmler, Ulrich, 2013, New species of the genus Mimogonia and Holotrochus from South America (Coleoptera: Staphylindae: Osoriinae), Acta Entomologica Musei Nationalis Pragae 53 (1), pp. 155-176: 163-165 163-165
Holotrochus hamatus   sp. nov.  Irmler, Ulrich, 2013, New species of the genus Mimogonia and Holotrochus from South America (Coleoptera: Staphylindae: Osoriinae), Acta Entomologica Musei Nationalis Pragae 53 (1), pp. 155-176: 166-167 166-167
Monastria similis     Tarli, Vitor Dias, Grandcolas, Philippe & Pellens, Roseli, 2018, Taxonomic revision of the genus Monastria Saussure, 1864 (Blattodea: Blaberidae Blaberinae) from the South American Atlantic forest, with the descriptions of five new species, Zootaxa 4524 (3), pp. 359-391: 371-373 371-373
Catharosoma paraguayense     Rodrigues, Patrícia E. S., Golovatch, Sergei I., Ott, Ricardo & Ro- Drigues, Everton N. L., 2020, Three new species of the millipede genus Catharosoma Silvestri, 1897 from southern Brazil, with new records and a clarified identity of Catharosoma intermedium (Carl, 1902) (Diplopoda: Polydes, Zootaxa 4751 (1), pp. 119-130: 128 128