-55.333332, -38.766666: 9 Treatments

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Orbiniella spinosa   sp. nov.  Blake, James A., 2017, Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America, Zootaxa 4218 (1), pp. 1-145 : 113 113
Cheiloporidion pulvinatum     Bernal, M. C., Cairns, S. D., Penchaszadeh, P. E. & Lauretta, D., 2021, Stylasterids (Hydrozoa: Stylasteridae) from Mar del Plata submarine canyon and adjacent area (southwestern Atlantic), with a key to the species off Argentina, Zootaxa 4969 (3), pp. 401-452 : 6-8 6-8
Colossendeis megalonyx     Lucena, Ruda Amorim & Lindsey Christoffersen, Martin, 2022, Pycnogonida (Arthropoda) from Museu de Ciencias Naturais, Rio Grande do Sul, Brazil, Zoosystematics and Evolution 98 (2), pp. 305-312 : 305 305
Perkinsiana assimilis     Tovar-Hernández, María Ana, León-González, Jesús Ángel De & Bybee, David R., 2017, Sabellid worms from the Patagonian Shelf and Humboldt Current System (Annelida, Sabellidae): Phyllis Knight-Jones’ and José María Orensanz’s collections, Zootaxa 4283 (1), pp. 1-64 : 39-43 39-43
Notopropebela pustulata   sp. nov.  Sánchez, Noelia, Damborenea, Cristina & Pastorino, Guido, 2023, Unravelling the conoidean gastropods assigned to the genus Propebela (Gastropoda: Mangeliidae) from south-western Atlantic deep waters, Journal of Natural History 57 (1 - 4), pp. 243-256 : 247-249 247-249
Errinopora cestoporina     Bernal, M. C., Cairns, S. D., Penchaszadeh, P. E. & Lauretta, D., 2021, Stylasterids (Hydrozoa: Stylasteridae) from Mar del Plata submarine canyon and adjacent area (southwestern Atlantic), with a key to the species off Argentina, Zootaxa 4969 (3), pp. 401-452 : 17-19 17-19
Pseudione chiesai   sp. nov.  Pereira, Emanuel, Doti, Brenda Lía & Roccatagliata, Daniel, 2021, A new species of Pseudione sensu lato (Isopoda: Bopyridae) on a squat lobster host from the deep South-West Atlantic, Zootaxa 4996 (2), pp. 363-373 : 365 365
Inferiolabiata labiata     Bernal, M. C., Cairns, S. D., Penchaszadeh, P. E. & Lauretta, D., 2021, Stylasterids (Hydrozoa: Stylasteridae) from Mar del Plata submarine canyon and adjacent area (southwestern Atlantic), with a key to the species off Argentina, Zootaxa 4969 (3), pp. 401-452 : 24-27 24-27
Stylaster densicaulis     Bernal, M. C., Cairns, S. D., Penchaszadeh, P. E. & Lauretta, D., 2021, Stylasterids (Hydrozoa: Stylasteridae) from Mar del Plata submarine canyon and adjacent area (southwestern Atlantic), with a key to the species off Argentina, Zootaxa 4969 (3), pp. 401-452 : 36-37 36-37