original description
Sundberg, P., Chernyshev, A. V., Kajihara, H., Kånneby, T. and Strand, M. 2009. Character-matrix based descriptions of two new nemertean (Nemertea) species. Zoological Journal of the Linnean Society 157: 264–294., available online at https://doi.org/10.1111/j.1096-3642.2008.00514.x [details] Available for editors 
additional source
Beckers, P.; Loesel, R.; Bartolomaeus, T. (2013). The nervous systems of basally branching Nemertea (Palaeonemertea). <em>PLoS ONE.</em> 8(6): e66137., available online at https://doi.org/10.1371/journal.pone.0066137 [details]
From editor or global species database