-56.779446, -4.769444: 10 Treatments

[link]

Curculionichthys itaim   new species  Roxo, Fábio F., Dias, Angelica C., Silva, Gabriel S. C. & Oliveira, Claudio, 2017, Two new species of Curculionichthys (Siluriformes: Loricariidae) from the rio Amazonas basin, Brazil, Zootaxa 4341 (2): -1 -1
Orasema worcesteri     Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107: 99-101 99-101
Euryrhynchus amazoniensis     Pachelle, Paulo P. G. & Tavares, Marcos, 2018, The freshwater shrimp family Euryrhynchidae Holthuis, 1950 (Crustacea: Decapoda: Caridea) revisited, with a taxonomic revision of the genus Euryrhynchus Miers, 1878, Zootaxa 4380 (1): 17-37 17-37
Thayeria tapajonica   new species  Moreira, Cristiano R. & Lima, Flávio C. T., 2017, Thayeria tapajonica (Characiformes: Characidae), a new species from rio Tapajós basin, Brazil, Zootaxa 4344 (1), pp. 137-146: 138-143 138-143
Allobates nunciatus   sp. nov.  Moraes, Leandro João Carneiro De Lima, Pavan, Dante & Lima, Albertina Pimentel, 2019, A new nurse frog of Allobates masniger - nidicola complex (Anura, Aromobatidae) from the east bank of Tapajós River, eastern Amazonia, Zootaxa 4648 (3), pp. 401-434: 404-421 404-421
Chiasmocleis avilapiresae   sp. nov.  Peloso, Pedro Luiz Vieira & Sturaro, Marcelo José, 2008, A new species of narrow-mouthed frog of the genus Chiasmocleis Méhelÿ 1904 (Anura, Microhylidae) from the Amazonian rainforest of Brazil, Zootaxa 1947, pp. 39-52: 40-47 40-47
Tapajos     Carvalho, Thiago R. D., Moraes, Leandro J. C. L., Lima, Albertina P., Fouquet, Antoine, Peloso, Pedro L. V., Pavan, Dante, Drummond, Leandro O., Rodrigues, Miguel T., Giaretta, Ariovaldo A., Gordo, Marcelo, Neckel-Oliveira, Selvino & Haddad, Célio F. B., 2021, Systematics and historical biogeography of Neotropical foam-nesting frogs of the Adenomera heyeri clade (Leptodactylidae), with the description of six new Amazonian species, Zoological Journal of the Linnean Society 191, pp. 395-433: 422-424 422-424
Myrmecium quasimodo   sp. nov.  Silva-Junior, Claudio J. & Bonaldo, Alexandre B., 2019, Four new species of Myrmecium Latreille, 1824 and complementary description of M. machetero Candiani & Bonaldo, 2017 (Araneae: Corinnidae: Castianeirinae), Zootaxa 4706 (2), pp. 391-400: 397-400 397-400
Marmosops (Sciophanes) marina   sp. nov.  Ferreira, Claudilívia, Oliveira, Ana Cristina Mendes De, Lima-Silva, Luan Gabriel & Rossi, Rogério Vieira, 2020, Taxonomic review of the slender mouse opossums of the “ Parvidens ” group from Brazil (Didelphimorphia: Didelphidae: Marmosops), with description of a new species, Zootaxa 4890 (2), pp. 201-233: 208-221 208-221
Brycon falcatus     Lima, Flávio C. T., 2017, A revision of the cis-andean species of the genus Brycon Müller & Troschel (Characiformes: Characidae), Zootaxa 4222 (1), pp. 1-189: 142-158 142-158