original descriptionDanielssen, D.C.; Koren, J. (1880). New northern Gephyrea. <em>Annals and Magazine of Natural History (5th Series).</em> 6: 462–465., available online athttps://www.biodiversitylibrary.org/page/25170687 page(s): 463. [details]
status sourceFisher, W. K. (1946). Echiuroid worms of the North Pacific Ocean. <em>Proceedings of the United States National Museum.</em> 96: 215–292, plates 20–37., available online athttps://www.biodiversitylibrary.org/page/7311441[details]