original description
Spengel, J.W. (1901). Die Benennung der Enteropneusten-Gattungen. <em>Zoologische Jahrbucher, Abteilung fuer Systematik Oekologie und Geographie der Tiere.</em> 15(2): 209–218., available online at https://www.biodiversitylibrary.org/page/9985208
page(s): 212 [details] 
basis of record
van der Land, J. (2001). Hemichordata, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 336 (look up in IMIS) [details]
additional source
Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. <em>[Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone].</em> , available online at https://www.checklistbank.org/dataset/126539/about [details]
additional source
Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors 
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
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