-38.92819, -18.682028: 10 Treatments

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Scyphoproctus profundus   sp. nov.  Silva, Camila Fernanda Da & Amaral, Antonia Cecilia Zacagnini, 2019, Scyphoproctus Gravier, 1904 (Annelida, Capitellidae): description of three new species and relocation of Heteromastides Augener, 1914 in Scyphoproctus, Zootaxa 4560 (1), pp. 95-120 : 108-113 108-113
Meiodorvillea penhae   sp. nov.  Bonaldo, Rafael de Oliveira, Steiner, Tatiana Menchini & Amaral, Antônia Cecília Zacagnini, 2022, Revision of Meiodorvillea Jumars, 1974 (Annelida: Dorvilleidae) including descriptions of three new species from the Southwestern Atlantic Ocean, PLoS ONE (e 0264081) 1974 (3), pp. 1-27 : 12-17 12-17
Scyphoproctus robustus   sp. nov.  Silva, Camila Fernanda Da & Amaral, Antonia Cecilia Zacagnini, 2019, Scyphoproctus Gravier, 1904 (Annelida, Capitellidae): description of three new species and relocation of Heteromastides Augener, 1914 in Scyphoproctus, Zootaxa 4560 (1), pp. 95-120 : 114-118 114-118
Aricidea (Acmira) bbkingi   sp. nov.  Barroso, R., Paiva, P. C. & Ranauro, N., 2020, Three new species of Aricidea (Acmira) (Annelida: Paraonidae) from the Continental Shelf of Eastern Brazil, Southwestern Atlantic, Zootaxa 4838 (3), pp. 415-426 : 423-425 423-425
Mastobranchus braziliensis   sp. nov.  Silva, Camila Fernanda Da & Amaral, Antonia Cecilia Zacagnini, 2022, Capitellidae (Annelida) from the Brazilian Continental Margin (SW Atlantic): new occurrences of three genera and description of new species, Zootaxa 5104 (1), pp. 89-110 : 95-98 95-98
Prionospio fosterae   sp. nov.  Peixoto, Antônio João Malafaia & Paiva, Paulo Cesar, 2020, New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil, Zootaxa 4853 (4), pp. 451-508 : 461-465 461-465
Gyneleucon tripedium   sp. nov.  Brito, Ayrton Do Ramo & Serejo, Cristiana Silveira, 2023, Leuconidae Sars, 1878 (Crustacea: Cumacea) from the southwestern Atlantic, filling the distribution gap along the Brazilian coast, Zootaxa 5383 (2), pp. 101-134 : 126-128 126-128
Prionospio kinbergi   sp. nov.  Peixoto, Antônio João Malafaia & Paiva, Paulo Cesar, 2020, New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil, Zootaxa 4853 (4), pp. 451-508 : 465-470 465-470
Hemiproto wigleyi     Mauro, Fábio da Motta, Nascimento, Priscila Soares do & Serejo, Cristiana Silveira, 2020, New discoveries for the subfamily Phtisicinae Vassilenko, 1968 (Crustacea: Senticaudata) from the Brazilian coast, European Journal of Taxonomy 597, pp. 1-17 : 6 6
Prionospio hartmanae   sp. nov.  Peixoto, Antônio João Malafaia & Paiva, Paulo Cesar, 2020, New apinnate Prionospio (Annelida: Spionidae) species from southeastern Brazil, Zootaxa 4853 (4), pp. 451-508 : 470-475 470-475