MolluscaBase eds. (2024). MolluscaBase. Polycera quadrilineata nigropicta Ihering, 1886. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=751456 on 2024-11-26
original descriptionIhering, H. von. (1886). Beiträge zur kenntnis der Nudibranchien des Mittelmeeres. Part 2. <em>Malakozoologische Blätter N.F.</em> 8: 12-48., available online athttps://www.biodiversitylibrary.org/page/35594831[details]