Peruvian nudibranchs (Mollusca, Gastropoda, Heterobranchia): an updated literature review-based list of species Author Grandez, Alessandra https://orcid.org/0000-0002-0142-9357 Carrera de Biologia Marina, Universidad Cientifica del Sur, Lima, Peru Author Ampuero, Andre https://orcid.org/0000-0001-6929-5423 Carrera de Biologia Marina, Universidad Cientifica del Sur, Lima, Peru Author Barahona, Sergio P. https://orcid.org/0000-0002-0136-7205 Carrera de Biologia Marina, Universidad Cientifica del Sur, Lima, Peru srgbarahona89@gmail.com text ZooKeys 2023 2023-08-23 1176 117 163 http://dx.doi.org/10.3897/zookeys.1176.103167 journal article http://dx.doi.org/10.3897/zookeys.1176.103167 1313-2970-1176-117 DE7EC71CBDDE4A9AB958F1B99633D11D 1E23A7B963DD5B4EB12D399166AAB7C6 Coryphellina marcusorum (Gosliner & Kuzirian, 1990) Habitat. Benthic. Depth. 3-22 m ( Welch 2010 ). Type material. CASIZ 066151-San Diego Reef ( 25°12'N , 110°42'W ), Gulf of California, Mexico. Distribution. From Brazil to Gulf of California (Mexico) ( Gosliner and Kuzirian 1990 ; Fischer et al. 2007 ). Sampling/reporting sites. In Peru, this species was recently photographed in Los Organos (Piura, 04°10′S) on 11 March 2022 ( Torrejon 2023 ). Remarks. Originally named Flabellina marcusorum Gosliner & Kuzirian, 1990. Its presence in Peru needs be confirmed by future surveys.