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]
ARMS (2021). Heptacyclus Vasileyev, 1939. Accessed at: http://marinespecies.org/arms/aphia.php?p=taxdetails&id=154889 on 2024-06-18
Sirenko, B.I.; Clarke, C.; Hopcroft, R.R.; Huettmann, F.; Bluhm, B.A.; Gradinger, R. (eds) (2024). The Arctic Register of Marine Species (ARMS) compiled by the Arctic Ocean Diversity (ArcOD). Heptacyclus Vasileyev, 1939. Accessed at: https://marinespecies.org/arms/aphia.php?p=taxdetails&id=154889 on 2024-06-18
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