-56.77, -27.4: 10 Treatments

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Cyprinodontiformes   new species  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: 69-71 69-71
Cnesterodon omorgmatos key    Lucinda, Paulo H. F., 2005, Systematics of the genus Cnesterodon Garman, 1895 (Cyprinodontiformes: Poeciliidae: Poeciliinae), Neotropical Ichthyology 3 (2), pp. 259-270: 267 267
Diptera   sp. n.  Alcantara, Daniel Maximo Correa, Graciolli, Gustavo & Nihei, Silvio S., 2019, Revision of Noctiliostrebla (Diptera: Streblidae), parasites of bulldog bats (Chiroptera: Noctilionidae: Noctilio), Zootaxa 4560 (3), pp. 483-521: 511-513 511-513
Luederwaldtinia     Valois, Marcely C., Vaz-De-Mello, Fernando Z. & Silva, Fernando A. B., 2017, Taxonomic revision of the Dichotomius sericeus (Harold, 1867) species group (Coleoptera: Scarabaeidae: Scarabaeinae), Zootaxa 4277 (4), pp. 503-530: 508-511 508-511
Thaumastaneis montandoni     Carpintero, Diego Leonardo, Dellapé, Pablo Matías & Melo, María Cecilia, 2006, New records of Heteroptera (Hemiptera) from Argentina, Zootaxa 1129 (1), pp. 1-22: 14-15 14-15
Diaptomus     Perbiche-Neves, Gilmar, Boxshall, Geoff A., Paggi, Juan C., da Rocha, Carlos E. F., Previattelli, Daniel & Nogueira, Marcos G., 2013, Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River), Journal of Natural History 47 (5 - 12), pp. 449-477: 462-473 462-473
Diaptomus     Perbiche-Neves, Gilmar, Boxshall, Geoff A., Paggi, Juan C., da Rocha, Carlos E. F., Previattelli, Daniel & Nogueira, Marcos G., 2013, Two new species of Diaptomidae (Crustacea: Copepoda: Calanoida) from the Neotropical Region (Paraná River), Journal of Natural History 47 (5 - 12), pp. 449-477: 451-459 451-459
Cylindera (Cylindera) confluentesignata     Wiesner, Jürgen & Bandinelli, Aligi, 2014, Notes on the tiger beetles (Coleoptera: Cicindelidae) of Argentina. 117. Contribution towards the knowledge of Cicindelidae, Insecta Mundi 2014 (377), pp. 1-66: 20 20
Gymnotiformes     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: 63-64 63-64
Pachomius areteguazu   sp. nov.  Rubio, Gonzalo D., Stolar, Cristian E. & Baigorria, Julián E. M., 2021, Pachomius areteguazu sp. nov. (Araneae: Salticidae: Freyina), and the first description of the epigynum of a member of the nigrus group, Peckhamia 234 (1), pp. 1-8: 2-7 2-7