-54.166668, -27.333334: 10 Treatments

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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
Cratera obsidiana   sp. nov.  Boll, Piter Kehoma, Amaral, Silvana Vargas Do & Leal-Zanchet, Ana Maria, 2019, Two new land planarian species (Platyhelminthes: Tricladida: Geoplanidae) from protected areas in southern Brazil, Zootaxa 4664 (4), pp. 535-550: 536-542 536-542
Chrosiothes carajaensis   new species  Rodrigues, Everton Nei Lopes, 2017, Six new species and new records of the spider genus Chrosiothes from Brazil with the description of the female of Chrosiothes venturosus Marques & Buckup, 1997 (Araneae, Theridiidae, Spinthari, Zootaxa 4329 (3), pp. 219-236: 223 223
Chrosiothes niteroi     Rodrigues, Everton Nei Lopes, 2017, Six new species and new records of the spider genus Chrosiothes from Brazil with the description of the female of Chrosiothes venturosus Marques & Buckup, 1997 (Araneae, Theridiidae, Spinthari, Zootaxa 4329 (3), pp. 219-236: 231-233 231-233
Chrosiothes perfidus     Rodrigues, Everton Nei Lopes, 2017, Six new species and new records of the spider genus Chrosiothes from Brazil with the description of the female of Chrosiothes venturosus Marques & Buckup, 1997 (Araneae, Theridiidae, Spinthari, Zootaxa 4329 (3), pp. 219-236: 234 234
Plebeia emerinoides     Roig-Alsina, Arturo & Alvarez, Leopoldo J., 2017, Southern distributional limits of Meliponini bees (Hymenoptera, Apidae) in the Neotropics: taxonomic notes and distribution of Plebeia droryana and P. emerinoides in Argentina, Zootaxa 4244 (2), pp. 261-268: 264-267 264-267
Hyalella misionensis     Diaz, Analía R., Álvarez, Victor Hugo Merlo & Damborenea, Cristina, 2017, Type material housed in the Carcinological Collection of the Museo de La Plata, Argentina, Zootaxa 4303 (1), pp. 88-102: 98 98
Physalaemus carrizorum   new species  Cardozo, Dario E. & Pereyra, Martin O., 2018, A new species of Physalaemus (Anura, Leptodactylidae) from the Atlantic Forest of Misiones, northeastern Argentina, Zootaxa 4387 (3), pp. 580-590: 582-587 582-587
Niesthrea pictipes     Melo, M. C. & Montemayor, S. I., 2015, Biodiversity of the scentless plant bugs (Hemiptera: Rhopalidae) in southern South America, Journal of Natural History 50, pp. 163-200: 169-170 169-170
Runcinioides litteratus     Faleiro, Bárbara T. & Santos, Adalberto J., 2019, Revision of the crab-spiders of the genus Runcinioides Mello-Leitão, 1929 (Araneae, Thomisidae), Zootaxa 4567 (1), pp. 25-46: 37-40 37-40