Hydroids (Cnidaria, Hydrozoa) from Mauritanian Coral Mounds Author Gil, Marta Departamento de Ecoloxía e Bioloxía Animal, Facultade de Ciencias do Mar e Centro de Investigación Mariña (CIM-UVigo), Universidade de Vigo. Campus Lagoas-Marcosende. 36310 Vigo. Spain. & Instituto Español de Oceanografía, Centro Oceanográfico de Vigo. Subida Radio Faro 50. 36390 Vigo. Spain. Author Ramil, Fran Departamento de Ecoloxía e Bioloxía Animal, Facultade de Ciencias do Mar e Centro de Investigación Mariña (CIM-UVigo), Universidade de Vigo. Campus Lagoas-Marcosende. 36310 Vigo. Spain. & framil @ uvigo. es Author Agís, José Ansín Departamento de Ecoloxía e Bioloxía Animal, Facultade de Ciencias do Mar e Centro de Investigación Mariña (CIM-UVigo), Universidade de Vigo. Campus Lagoas-Marcosende. 36310 Vigo. Spain. & ansinjose @ gmail. com text Zootaxa 2020 2020-11-16 4878 3 412 466 journal article 7931 10.11646/zootaxa.4878.3.2 288c6fc9-269b-468f-8811-d79d4350f6e4 1175-5326 4425132 4F59F5B2-CFDB-4819-AF83-0EF232328F8D Zygophylax levinseni ( Saemundsson, 1911 ) Zygophylax levinseni : Ramil & Vervoort, 1992: 78–82 , figs. 18a–d, 19a–f; Calder & Vervoort, 1998: 35–37 , fig. 17a–c; Schuchert, 2001: 71–72 ; Vervoort, 2006: 240–242 , fig. 16. Material examined. MAURIT-1011, stn MUDR20 , 16º08´11”N , 16º56´08”W , 405 m , 7-XII-2010 : one fragment, without coppiniae . Biology. This species was collected from bottoms of L. pertusa and M. oculata ( Altuna Prados & Álvarez Claudio 1994 ) and was found growing on a sponge, Acryptolaria longitheca ( Allman, 1877 ) ( Calder & Vervoort 1998 ) and a gorgonian axis ( Vervoort 2006 ). Coppiniae have been found only in December ( Ramil & Vervoort 1992 ). Distribution. Zygophylax levinseni has a Northeast Atlantic distribution, from South of Iceland to south of Cape Verde Islands, including the Mid-Atlantic Ridge ( Schuchert 2001 ; Vervoort 2006 ). The records of the species were summarised by Vervoort (2006) . In West Africa, it was collected from Morocco ( Ramil & Vervoort 1992 ), Mauritania ( Gil & Ramil 2017a ) and Cape Verde Islands ( Vervoort 2006 ). Its bathymetric distribution is between 183 ( Altuna Prados & Álvarez Claudio 1994 ) and 3647 m ( Ramil & Vervoort 1992 ). Our material was obtained from a depth of 405 m . Remarks. Although our colony is only a fragment, it is consistent with the material described by Ramil & Vervoort (1992) .