Kajihara, H. 2020. Redescription of Cerebratulus marginatus auct. (Nemertea: Pilidiophora) from Hokkaido, Japan, as a new species. Zootaxa. 4819, 2 (Jul. 2020), 295–315. DOI:https://doi.org/10.11646/zootaxa.4819.2.4.