-55.4505, -30.416666: 10 Treatments

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Austrolebias periodicus     Wilson J. E. M. Costa, 2006, The South American annual killifish genus Austrolebias (Teleostei: Cyprinodontiformes: Rivulidae): phylogenetic relationships, descriptive morphology and taxonomic revision., Zootaxa 1213, pp. 1-162: 83-86 83-86
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
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
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
Gymnotus cuia   n. sp.  Craig, Jack M., Malabarba, Luiz R., Crampton, William G. R. & Albert, James S., 2018, Revision of Banded Knifefishes of the Gymnotus carapo and G. tigre clades (Gymnotidae Gymnotiformes) from the Southern Neotropics, Zootaxa 4379 (1), pp. 47-73: 55-59 55-59
Colletes ferenudus   new species  Ferrari, Rafael R., 2019, A revision of Colletes Latreille (Hymenoptera: Colletidae: Colletinae) from Brazil, Paraguay and Uruguay, Zootaxa 4606 (1), pp. 1-91: 25-28 25-28
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
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
Ituglanis inusitatus     Bertaco, Vinicius A. & Azevedo, Marco A., 2018, Type catalog from the fish collection of the Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul, Brazil, Zootaxa 4392 (1), pp. 83-100: 95 95
Austrolebias melanoorus     Wilson J. E. M. Costa, 2006, The South American annual killifish genus Austrolebias (Teleostei: Cyprinodontiformes: Rivulidae): phylogenetic relationships, descriptive morphology and taxonomic revision., Zootaxa 1213, pp. 1-162: 97-101 97-101