Checklist of Benthic Cnidaria in the SW Atlantic Ocean (54 ºS- 56 ºS) Author Schejter, L. 0000-0001-5443-4048 Instituto Nacional de Investigación y Desarrollo Pesquero (INIDEP). Paseo Victoria Ocampo 1, 7600, Mar del Plata, Argentina. Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas, Mar del Plata, Argentina. & schejter @ inidep. edu. ar, https: // orcid. org / 0000 - 0001 - 5443 - 4048 Author Genzano, G. 0000-0002-9818-7648 genzano @ mdp. edu. ar; https: // orcid. org / 0000 - 0002 - 9818 - 7648 genzano@mdp.edu.ar Author Pérez, C. D. 0000-0002-0866-1183 Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Rua Alto do Reservatório s / n, Bela Vista, CEP: 55608 - 680, Vitória de Santo Antão-PE, Brazil. & carlos. perez @ ufpe. br, https: // orcid. org / 0000 - 0002 - 0866 - 1183 Author Acuña, F. Estación Científica Coiba (Coiba-AIP), Clayton, Panamá, República de Panamá. Author Cordeiro, R. T. S. 0000-0002-3164-5333 Departamento de Biologia, Universidade Federal Rural de Pernambuco, Rua Dom Manuel de Medeiros, s / n, Dois Irmãos, CEP: 52171 - 900, Recife / PE, Brazil. & Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA ralfts @ gmail. com; https: // orcid. org / 0000 - 0002 - 3164 - 5333 ralfts@gmail.com Author Silva, R. A. Centro Acadêmico de Vitória, Universidade Federal de Pernambuco, Rua Alto do Reservatório s / n, Bela Vista, CEP: 55608 - 680, Vitória de Santo Antão-PE, Brazil. Author Garese, A. Author Bremec, C. S. text Zootaxa 2020 2020-11-13 4878 2 201 239 journal article 7936 10.11646/zootaxa.4878.2.1 b10a81a2-3936-425a-92b6-9e52fd7be1e7 1175-5326 4424884 F930E674-DDA9-4EC9-B0E9-3891B239C6CF Balticina africana (Studer, 1878) Material examined: BBB 2016: St. 13. PD BB 2017: St. 31 (MACN-In 43489). Distribution: Atlantic coast of Africa as Halipteris africana ( 459– 659 m ) ( Williams 1990 ); San Antonio Cape , Buenos Aires coast, 38°06 ìS 55°13 ìW as Balticina sp. ( 440– 480 m ) ( Castro 1990 ); deep waters of SWAtlantic Ocean, Burdwood bank as Halipteris africana ( 641–701 m ) (see Schejter et al . 2018 ). Remarks: Synonyms at the area: Balticina sp. ( Castro 1990 ); Halipteris sp. ( Schejter et al . 2018 , p. 294); Halipteris heptazooidea Acuña & Zamponi, 1992 and Halipteris africana (Studer, 1878) (see Schejter et al . 2018 , p. 297–298). One specimen of B. africana (St. 13) presented the sea anemone Hormathia pectinata fixed over the naked axis at the top end of the colony ( Schejter et al . 2018 ).