-50.3, -6.0333333: 10 Treatments

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Thaumasia hirsutochela   sp. nov.  Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64 : 19-20 19-20
Ariadna boliviana     Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 59-62 59-62
Helicopsyche (Feropsyche)   sp. nov.  Neto, Jaime De Liege Gama, Ribeiro, José Moacir Ferreira & Passos, Mahedy Araujo Bastos, 2019, Two new species of Helicopsyche Siebold 1856 (Insecta: Trichoptera: Helicopsychidae) from Pará State, northern Brazil, Zootaxa 4565 (3), pp. 420-426 : 422-423 422-423
Oxyethira (Loxotrichia) carajas   sp. nov.  Neto, Jaime De Liege Gama, Ribeiro, José Moacir Ferreira & Passos, Mahedy Araujo Bastos, 2019, Two new species of Hydroptilidae (Insecta: Trichoptera) from the Serra dos Carajás, Pará state, northern Brazil, Zootaxa 4695 (4), pp. 385-390 : 388-389 388-389
Costatrichia inaequalis   sp. nov.  Neto, Jaime De Liege Gama, Ribeiro, José Moacir Ferreira & Passos, Mahedy Araujo Bastos, 2019, Two new species of Hydroptilidae (Insecta: Trichoptera) from the Serra dos Carajás, Pará state, northern Brazil, Zootaxa 4695 (4), pp. 385-390 : 386-388 386-388
Helicopsyche (Feropsyche)   sp. nov.  Neto, Jaime De Liege Gama, Ribeiro, José Moacir Ferreira & Passos, Mahedy Araujo Bastos, 2019, Two new species of Helicopsyche Siebold 1856 (Insecta: Trichoptera: Helicopsychidae) from Pará State, northern Brazil, Zootaxa 4565 (3), pp. 420-426 : 425 425
Neotrichia flinti   sp. nov.  Neto, Jaime De Liege Gama, Ribeiro, José Moacir Ferreira & Passos, Mahedy Araujo Bastos, 2021, The genus Neotrichia Morton 1905 (Trichoptera: Hydroptilidae) in Pará state Northern Brazil: New species and an unpublished species made available, Zootaxa 5082 (2), pp. 118-128 : 125-127 125-127
Martarega membranacea     Barbosa, Julianna Freires, Ribeiro, José Ricardo Inacio & Nessimian, Jorge Luiz, 2012, A synopsis of Martarega White, 1879 (Insecta: Heteroptera: Notonectidae) occurring in the Brazilian Amazonia, with descriptions of three new species, Journal of Natural History 46 (17 - 18), pp. 1025-1057 : 1038-1039 1038-1039
Laccomimus xikrin   sp. nov.  Braga, Rafael Benzi & Ferreira-Jr, Nelson, 2016, Laccomimus xikrin sp. nov. and new records of other species of Laccomimus Toledo & Michat, 2015 (Coleoptera: Dytiscidae: Laccophilinae) from Brazil, Zootaxa 4154 (1), pp. 96-100 : 97-99 97-99
Martarega uruguayensis     Barbosa, Julianna Freires, Ribeiro, José Ricardo Inacio & Nessimian, Jorge Luiz, 2012, A synopsis of Martarega White, 1879 (Insecta: Heteroptera: Notonectidae) occurring in the Brazilian Amazonia, with descriptions of three new species, Journal of Natural History 46 (17 - 18), pp. 1025-1057 : 1047-1053 1047-1053