-49.45, -4.55: 10 Treatments

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Tapinauchenius plumipes     Cifuentes, Yeimy & Bertani, Rogerio, 2022, Taxonomic revision and cladistic analysis of the tarantula genera Tapinauchenius Ausserer, 1871, Psalmopoeus Pocock, 1985, and Amazonius n. gen. (Theraphosidae, Psalmopoeinae), Zootaxa 5101 (1), pp. 1-123 : 35-42 35-42
Nops amazonas   new species  Sánchez-Ruiz, Alexander & Brescovit, Antonio D., 2018, A revision of the Neotropical spider genus Nops MacLeay (Araneae: Caponiidae) with the first phylogenetic hypothesis for the Nopinae genera, Zootaxa 4427 (1), pp. 1-121 : 72-75 72-75
Brycon polylepis     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 : 27-33 27-33
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
Peckoltia vittata     Armbruster, Jonathan W., 2008, The genus Peckoltia with the description of two new species and a reanalysis of the phylogeny of the genera of the Hypostominae (Siluriformes: Loricariidae), Zootaxa 1822 (1), pp. 1-76 : 40-44 40-44
Pseudobunocephalus timbira   new species  Leão, Manuela Dopazo V., Carvalho, Tiago P., Reis, Roberto E. & Wosiacki, Wolmar B., 2019, A new species of Pseudobunocephalus Friel, 2008 (Siluriformes: Aspredinidae) from the lower Tocantins and Mearim river drainages, North and Northeast of Brazil, Zootaxa 4586 (1), pp. 109-126 : 111-116 111-116
Spectracanthicus tocantinensis   new species  Chamon, Carine C. & Rapp Py-Daniel, Lúcia H., 2014, Taxonomic revision of Spectracanthicus Nijssen & Isbrücker (Loricariidae: Hypostominae: Ancistrini), with description of three new species, Neotropical Ichthyology 12 (1), pp. 1-25 : 17-18 17-18
Anchoviella juruasanga   new species  Loeb, Marina V., 2012, A new species of Anchoviella Fowler, 1911 (Clupeiformes: Engraulidae) from the Amazon basin, Brazil, Neotropical Ichthyology 10 (1), pp. 13-13 : 13--1 13--1
Idiops duocordibus   sp. nov.  Fonseca-Ferreira, Rafael, Guadanucci, José Paulo Leite, Yamamoto, Flávio Uemori & Brescovit, Antonio Domingos, 2021, Taxonomic revision of the Neotropical spiders of the genus Idiops Perty, 1833 (Araneae, Idiopidae), with description of four new species, European Journal of Taxonomy 780 (1), pp. 1-71 : 30-33 30-33
Pseudodysderina utinga   new species  Platnick, Norman I. & Berniker, Lily, 2013, ffie South American Goblin Spiders of the New Genera Pseudodysderina and Tinadysderina (Araneae, Oonopidae), American Museum Novitates 2013 (3787), pp. 1-44 : 18-20 18-20