-42.1175, -23.7: 10 Treatments

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Hydrolagus matallanasi   sp. nov.  Jules M. R. Soto & Carolus M. Vooren, 2004, Hydrolagus matallanasi sp. nov. (Holocephali, Chimaeridae) a new species of rabbitfish from southern Brazil., Zootaxa 687, pp. 1-10 : 3-8 3-8
Margarites imperialis     Cavallari, Daniel C., Salvador, Rodrigo B., Dornellas, Ana P. S. & Simone, Luiz R. L., 2019, Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD 55) expedition in southeastern Brazil, with description of a new species of Calliostoma, Zootaxa 4609 (3), pp. 401-428 : 416-418 416-418
Microlinices   gen. nov.  Simone, Luiz Ricardo L., 2014, Taxonomic study on the molluscs collected during the Marion-Dufresne expedition (MD 55) off SE Brazil: the Naticidae (Mollusca: Caenogastropoda), Zoosystema 36 (3), pp. 563-593 : 566-576 566-576
Olivella (Anasser) careorugula   sp. nov.  Absalão, Ricardo S. & Pimenta, Alexandre D., 2003, A new subgenus and three new species of Brazilian deep water Olivella Swainson, 1831 (Mollusca, Gastropoda, Olivellidae) collected by the RV Marion Dufresne in 1987, Zoosystema 25 (2), pp. 177-185 : 182-183 182-183
Petta alissoni   sp. nov.  Nogueira, João Miguel De Matos, Ribeiro, William M. G., Carrerette, Orlemir & Hutchings, Pat, 2019, Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic, Zootaxa 4571 (4), pp. 489-509 : 502-506 502-506
Falsimargarita terespira     Cavallari, Daniel C., Salvador, Rodrigo B., Dornellas, Ana P. S. & Simone, Luiz R. L., 2019, Calliostomatidae, Colloniidae, Margaritidae, and Solariellidae (Gastropoda: Trochoidea) collected by the Marion Dufresne (MD 55) expedition in southeastern Brazil, with description of a new species of Calliostoma, Zootaxa 4609 (3), pp. 401-428 : 410-412 410-412
Serranus fusculus     Carvalho-Filho, Alfredo, Baldwin, Carole C., Fischer, Luciano G., Robertson, D. Ross, Bertoncini, Athila, Garcia, Lucas Canes, Silva, Jodir Pereira Da & Sampaio, Claudio L. S., 2023, Generic reassignment of Centropristis fuscula Poey, 1861 (Teleostei: Serranidae), with re-description of the species and comments on its geographical range and sexual system, Zootaxa 5346 (1), pp. 51-73 : 54-63 54-63
Nymphon     Lucena, Rudá Amorim & Christoffersen, Martin Lindsey, 2018, An annotated checklist of Brazilian sea spiders (Arthropoda: Pycnogonida), Zootaxa 4370 (2), pp. 101-122 : 109 109
Fossarus orbignyi     Cavallari, Daniel Caracanhas, Almeida, Sérgio Mendonça & Simone, Luiz Ricardo L., 2020, Cerithiidae, Litiopidae, Modulidae and Planaxidae (Gastropoda, Cerithioidea) collected by the Marion Dufresne MD 55 expedition in southeastern Brazil, Papéis Avulsos de Zoologia 60, pp. 1-10 : 5 5
Typhlotanais ischnochela   sp. nov.  Segadilha, Juliana L. & Serejo, Cristiana S., 2022, New insights gained from museum collections: new deep-sea species of Typhlotanais (Tanaidacea, Typhlotanaidae) from Brazil, European Journal of Taxonomy 820, pp. 1-54 : 27-35 27-35