Nomenclature
original description
Keferstein, W. (1862). Untersuchungen über niedere Seethiere. <em>Zeitschrift für wissenschaftliche Zoologie.</em> 12(1): 1–147 plates 1–11., available online at https://www.biodiversitylibrary.org/page/44977773
page(s): 111-113, plate IX figs. 45-47 [details] 
new combination reference
San Martín G. and Hutchings P.A.. 2006. Eusyllinae (Polychaeta, Syllidae) from Australia with the description of a new genus and fifteen new species. Records of the Australian Museum. 58. 257-370., available online at https://doi.org/10.3853/j.0067-1975.58.2006.1466 [details]
new combination reference
Fauvel, P. (1923). Polychètes errantes. Faune de France. <em>Librairie de la Faculte des Sciences. Paris.</em> 5: 1-488., available online at http://www.faunedefrance.org/ [details]
Taxonomy
From regional or thematic species database
Synonymy Fauvel (1923) transferred Syllis divaricata Keferstein, 1862 to Pionosyllis. San Martín G & Hutchings P (2006) transferred Pionosyllis divaricata to Nudisyllis [details]Unreviewed
Taxonomy Moved to different genus [details]
Type locality France [details]