-70.9375, -53.2025: 10 Treatments

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Paratetrahygrobatella magellanica   sp. nov.  Tuzovskij, Petr V. & Stolbov, Vitaly A., 2016, Description of a new hygrobatid genus from Chile (Acari, Hydrachnidia: Hygrobatidae), Zootaxa 4161 (4), pp. 579-585 : 580-583 580-583
Flabehlersia induta   comb. nov.  Salazar-Vallejo, Sergio I., 2012, Revision of Flabelligera Sars, 1829 (Polychaeta: Flabelligeridae) 3203, Zootaxa 3203 (1), pp. 1-64 : 46-48 46-48
Munnogonium globifrons     Just, Jean & Wilson, George D. F., 2021, Redescriptions and new species in the ‘ Austrosignum-Munnogonium’ complex sensu Just & Wilson (2007), mainly from the Southern Hemisphere (Crustacea Isopoda: Paramunnidae), Zootaxa 4952 (3), pp. 401-447 : 431 431
Nereis lunulata   stat. nov.  Salazar-Vallejo, Sergio I., León-González, Jesús Angel De & Conde-Vela, Víctor M., 2021, Revision of the species confused with “ Nereis falsa ” de Quatrefages, 1866 (Annelida, Nereididae), European Journal of Taxonomy 779, pp. 1-70 : 38-43 38-43
Philobrya magellanica     Urcola, Matias Ricardo & Zelaya, Diego Gabriel, 2024, The Genus Philobrya J. G. Cooper, 1867 (Bivalvia: Philobryidae) In Patagonia And Adjacent Antarctic Waters, Zootaxa 5437 (2), pp. 151-192 : 171-173 171-173
Scolioplanes magellanicus     Thofern, Detlef, Dupérré, Nadine & Harms, Danilo, 2021, An annotated type catalogue of the centipedes (Myriapoda: Chilopoda) held in the Zoological Museum Hamburg, Zootaxa 4977 (1), pp. 1-103 : 22-23 22-23
Ixodes auritulus     Apanaskevich, Dmitry A., Apanaskevich, Maria A., Klimov, Pavel B., Edgy, Brett M., Bermúdez, Sergio E., Labruna, Marcelo B., Korzeev, Andrei I. & Barker, Stephen C., 2022, Description of eight new species of Ixodes Latreille, 1795 (Acari: Ixodidae) and redescription of I. auritulus Neumann, 1904, parasites of birds in the Australasian, Nearctic and Neotropical Regions, Zootaxa 5173 (1), pp. 1-73 : 8-19 8-19
Ulota macrocalycina     Garilleti, Ricardo, Albertos, Belén, Draper, Isabel, Calleja, Juan Antonio & Lara, Francisco, 2020, Reinstatement of the Patagonian moss Ulota glabella Mitt. (Bryophyta, Orthotrichaceae), European Journal of Taxonomy 726, pp. 83-101 : 101 101
Pseudosaldula bergi     Schuh, RT & Polhemus, JT, 2009, Revision And Analysis Of Pseudosaldula Cobben (Insecta: Hemiptera: Saldidae): A Group With A Classic Andean Distribution, Bulletin of the American Museum of Natural History 2009 (323), pp. 1-102 : 27-30 27-30
Coelogynopora kenichii   sp. nov.  Volonterio, Odile & León, Rodrigo Ponce De, 2021, First discovery and a new species of Coelogynopora (Platyhelminthes, Proseriata) in the Southern Hemisphere, European Journal of Taxonomy 775, pp. 185-196 : 187-191 187-191