-53.898056, -26.4675: 10 Treatments

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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
Mesabolivar iguazu     Huber, Bernhard A., 2018, The South American spider genera Mesabolivar and Carapoia (Araneae, Pholcidae): new species and a framework for redrawing generic limits, Zootaxa 4395 (1), pp. 1-178: 96-98 96-98
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
Harmostes gravidator     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: 178-179 178-179
Bertholdia zoenia   new species  Beccacece, Hernan Mario, 2017, A new species of the genus Bertholdia Schaus, 1896 (Lepidoptera: Erebidae: Arctiinae) from the Neotropical region: Bertholdia zoenia sp. n., Zootaxa 4238 (1): -1 -1
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
Paracloeodes prismatobranchus   sp. n.  Cruz, Paulo Vilela, Salles, Frederico Falcão & Hamada, Neusa, 2018, Contribution to the taxonomy of Paracloeode s Day 1955 (Ephemeroptera: Baetidae) from South America, Zootaxa 4403 (1), pp. 1-49: 39-44 39-44
Suphisellus flavolineatus     Urcola, Juan I., Benetti, Cesar J., Baca, Stephen M. & Michat, Mariano C., 2020, Suphisellus grossoi sp. n., a new burrowing water beetle from South America and notes on S. flavolineatus (Régimbart, 1889) and S. grammicus (Sharp, 1882) (Coleoptera: Noteridae), Zootaxa 4786 (1), pp. 122-130: 128 128
Litoblatta elisae   sp. nov.  Valverde, Alejandra Del Carmen & Crespo, Francisco A., 2021, Four new species of Litoblatta from Argentina with a key to species based on males (Blattaria: Ectobiidae: Blattellinae), Zootaxa 4941 (4), pp. 553-568: 556-557 556-557
Anisepyris angulatus     Barbosa, Diego N. & Azevedo, Celso O., 2018, Revision of Anisepyris Kieffer (Hymenoptera, Bethylidae), with description of 135 new species, Zootaxa 4416 (1), pp. 1-258: 230-231 230-231