Augener, H. 1912. Beitrag zur Kenntnis verschiedener Anneliden un Bemerkungen über die nordischen Nephthys-Arten und deren epitoken Formen. Archiv für Naturgeschichte, Berlin 78A(10): 162-212, Pl. 5 & 6.
Kristian Fauchald's Polychaeta DB. Sometimes cited as 1913, but issue 10 of volume 78A was published in December 1912, while issues 11 and 12 were published in February and March of 1913, respectively.