-56.49889, -30.388056: 10 Treatments

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Ariadna boesenbergi     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114: 37-41 37-41
Ariadna mollis     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114: 33-37 33-37
Tullgrenella guayapa     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: 362-364 362-364
Actinopus longipalpis     Duniesky, Rios-Tamayo, 2019, Four new species of Actinopus (Mygalomorphae: Actinopodidae) from Uruguay, Zootaxa 4624 (4), pp. 523-538: 529 529
Gaucha santana   sp. nov.  Botero-Trujillo, Ricardo, Ott, Ricardo, Mattoni, Camilo I., Nime, Mónica F. & Ojanguren-Affilastro, Andrés A., 2019, Two new species of the sun-spider genus Gaucha from Argentina and Brazil (Solifugae, Mummuciidae), Zootaxa 4551 (2), pp. 180-194: 186-192 186-192
Glossoscolex     Bartz, Marie L. C., James, Samuel W., Steffen, Gerusa P. K., Antoniolli, Zaida, Steffen, Ricardo B. & Brown, George G., 2018, New species-group taxa of Glossoscolex (Clitellata: Glossoscolecidae) from Rio Grande do Sul, Brazil, Zootaxa 4496 (1), pp. 548-561: 555-559 555-559
Gymnogeophagus peliochelynion   new species  Turcati, Andréia, Serra-Alanis, Wilson Sebastián & Malabarba, Luiz R., 2018, A new mouth brooder species of Gymnogeophagus with hypertrophied lips (Cichliformes: Cichlidae), Neotropical Ichthyology 16 (4), pp. 1-9: 2-6 2-6
Oncosclera rosariae   n.sp.  Tavares-Frigo, Maria da Conceição, Volkmer-Ribeiro, Cecília, Oliveira, Ana Elenice Zanini de & Machado, Vanessa de Souza, 2015, Freshwater sponges from the Pampa Biome, Brazil, with description of a new species of Oncosclera, Neotropical Biology and Conservation 10 (3), pp. 110-122: 116-117 116-117
Apopyllus silvestrii     Azevedo, Guilherme H. F., Ott, Ricardo, Griswold, Charles E. & Santos, Adalberto J., 2016, A taxonomic revision of the ground spiders of the genus Apopyllus (Araneae: Gnaphosidae), Zootaxa 4178 (3), pp. 301-327: 305-306 305-306
Odontesthes perugiae     Wingert, Juliana M., Ferrer, Juliano & Malabarba, Luiz R., 2017, Review of the Odontesthes perugiae species group from Río de La Plata drainage, with the description of a new species (Atherinomorpha: Atherinopsidae), Zootaxa 4250 (6), pp. 501-528: 503-514 503-514