Echiurus forcipatus

Diesing, K. M. (1859). Revision der Rhyngodeen. <em>Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe.</em> 37: 719–782.

Fabricius, O. (1780). Fauna Groenlandica, systematice sistens animalia groenlandiae occidentalis hactenus indagata, quoad nomen specificium, triviale, vernaculumque, synonyma auctorum plurimum, descriptionem, locum, victum, generationem, mores, usum capturamque singuli, pro ut detegendi occasio fuit, maximaque parte secundum proprias observationes. [Fauna Greenland, systematically presenting the animals of Western Greenland so far investigated, as to the specific name, trivial, vernacular, synonyms of the authors for the most part, description, place, life, generation, manners, use and catch of each one, as there was an opportunity to discover, and for the most part according to personal observations.]. <em>Hafniae [= Copenhagen] & Lipsiae [= Leipzig], Ioannis Gottlob Rothe.</em> xvi + 452 pp., 1 pl.