-41.36436, -22.6255: 10 Treatments

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Paranaitis chitinosa   sp. nov.  Oliveira, Verônica Maria De, Jacobsen, Danny Eibye & Lana, Paulo, 2018, Four new species of Paranaitis Southern, 1914 (Phyllodocidae, Annelida) from southern and southeastern Brazil, Zootaxa 4444 (2), pp. 120-136 : 123-127 123-127
Phyllodoce tamoya   sp. nov.  Oliveira, Verônica Maria De, Magalhães, Wagner F. & Lana, Paulo Da Cunha, 2021, Ten new species of Phyllodoce Lamarck, 1818 (Phyllodocidae, Annelida) from Brazil, Zootaxa 4924 (1), pp. 1-61 : 38-42 38-42
Phyllodoce tupana   sp. nov.  Oliveira, Verônica Maria De, Magalhães, Wagner F. & Lana, Paulo Da Cunha, 2021, Ten new species of Phyllodoce Lamarck, 1818 (Phyllodocidae, Annelida) from Brazil, Zootaxa 4924 (1), pp. 1-61 : 45-48 45-48
Moira atropos     Gondim, Anne Isabelley, Moura, Rafael Bendayan De, Christoffersen, Martin Lindsey & Dias, Thelma Lúcia Pereira, 2018, Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil, Zootaxa 4529 (1), pp. 1-72 : 42-43 42-43
Phyllodoce madeirensis     Oliveira, Verônica Maria De, Magalhães, Wagner F. & Lana, Paulo Da Cunha, 2021, Ten new species of Phyllodoce Lamarck, 1818 (Phyllodocidae, Annelida) from Brazil, Zootaxa 4924 (1), pp. 1-61 : 30-33 30-33
Metharpinia dentiurosoma     Andrade, Luiz F. & Senna, André R., 2020, New and additional records of Metharpinia Schellenberg, 1931 and Microphoxus Barnard, 1960 (Crustacea: Amphipoda: Phoxocephalidae) from Brazilian waters, Papéis Avulsos de Zoologia 60, pp. 1-37 : 2-9 2-9
Achelia     Lucena, Rudá Amorim & Christoffersen, Martin Lindsey, 2018, An annotated checklist of Brazilian sea spiders (Arthropoda: Pycnogonida), Zootaxa 4370 (2), pp. 101-122 : 104 104
Heterophoxus shoemakeri   sp. nov.  Andrade, Luiz F. & Senna, André R., 2020, A novel species of Heterophoxus Shoemaker, 1925 (Crustacea, Amphipoda, Phoxocephalidae) from southeast and southern Brazil, with an identification key to world species of the genus, European Journal of Taxonomy 592, pp. 1-16 : 3-11 3-11
Crepidula carioca   new species  Simone, Luiz Ricardo L., 2006, Morphological and phylogenetic study of the Western Atlantic Crepidula plana complex (Caenogastropoda, Calyptraeidae), with description of three new species from Brazil, Zootaxa 1112 (1), pp. 1-64 : 26-28 26-28
Iridopagurus martinvaz   sp. nov.  Lima, Daniel, Tavares, Marcos & Jr, Joel Braga De Mendonça, 2019, Paguroids (Decapoda: Anomura: Diogenidae and Paguridae) of the remote oceanic Archipelago Trindade and Martin Vaz, off southeast Brazil, with new records, description of three new species and zoogeographical notes, Zootaxa 4694 (1), pp. 1-63 : 23-30 23-30