Type locality Pacific Ocean, Puget Sound, Washington [details]
Read, G.; Fauchald, K. (Ed.) (2024). World Polychaeta Database. Magelona longicornis Johnson, 1901. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=254749 on 2024-06-18
original descriptionJohnson, Herbert Parlin. (1901). The Polychaeta of the Puget Sound region. <em>Proceedings of the Boston Society for Natural History.</em> 29(18): 381-437, plates 1-19., available online athttp://www.archive.org/stream/proceedingsbost07unkngoog#page/n436/mode/2up page(s): 414-415, plate 11 figs. 115-118 [details]