original description: Valdés Á. (2008). Deep-sea "cephalaspidean" heterobranchs (Gastropoda) from the tropical southwest Pacific. Mémoires du Muséum National d'Histoire Naturelle 196:587-792. [details]
from synonym: Poppe G. (2010) Philippine marine mollusks volume 3. 665 pp., pls 708-1014. Hackenheim: Conchbooks. [details] [view taxon]
Citation: Bouchet, P. (2013). Japonactaeon longissimus Valdés, 2008. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=458431 on 2013-05-23