Vasileyev, E. A. (also 'Vasiliev', 'Vasilyev'). (1939). The Ichthyobdellidae of the Far East. <em>Trudy Karelskogo Gosudarstvennogo Pedagogicheskogo Instituta, Biology Series, Petrozavudsk.</em> 1: 25-68.[details]
ERMS (2024). Heptacyclus Vasileyev, 1939. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=154889 on 2024-03-28
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Heptacyclus Vasileyev, 1939. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=154889 on 2024-03-28
original descriptionVasileyev, E. A. (also 'Vasiliev', 'Vasilyev'). (1939). The Ichthyobdellidae of the Far East. <em>Trudy Karelskogo Gosudarstvennogo Pedagogicheskogo Instituta, Biology Series, Petrozavudsk.</em> 1: 25-68.[details]
basis of recordHayward, 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
Present Inaccurate Introduced: alien Containing type locality