World Register of Marine Species (WoRMS)
Norenburg, J.; Chernyshev, A.; Kajihara, H.; Maslakova, S. (2026). World Nemertea Database. Amphiporus caecus Verrill, 1892. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=156288 on 2026-08-01
Verrill, A. E. (1893). Marine planarians of New England. Trans Conn Acad Sci, 8: 459-520 + 5 pl (40-44)