Evertsen, Jussi, and Torkild Bakken. “Diversity of Norwegian Sea Slugs (Nudibranchia): New Species to Norwegian Coastal Waters and New Data on Distribution of Rare Species”. Fauna norvegica 320 (February 13, 2013): 45-52. Accessed March 29, 2024. https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/1576.