original description
Arwidsson, Ivar. (1906). Studien über die skandinavischen und arktischen Maldaniden nebst Zusammenstellung der übrigen bisher bekannten Arten dieser Familie. <em>Inaugural-Dissertation zur erlangung der Doktorwürde. Der Mathematisch-Naturwissenschaftlichen Sektion der Philosophischen Fakultät zu Upsala, Upsala Universitet, Upsala [sic].</em> 1-308. Plates 1-12. [published 1906 or at latest 2 Feb 1907]., available online at http://www.biodiversitylibrary.org/bibliography/39358
page(s): 122 [details]
additional source
Fauchald, K. (1977). The polychaete worms, definitions and keys to the orders, families and genera. <em>Natural History Museum of Los Angeles County: Los Angeles, CA (USA), Science Series.</em> 28:1-188., available online at http://www.vliz.be/imisdocs/publications/123110.pdf [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis Both anterior and posterior ends terminate with plaques (cephalic and anal plaques). Anus terminal (after Fauchald, 1977) [details]