WoRMS source details
Vasileyev, E. A. (also 'Vasiliev', 'Vasilyev'). (1939). The Ichthyobdellidae of the Far East. Trudy Karelskogo Gosudarstvennogo Pedagogicheskogo Instituta, Biology Series, Petrozavudsk. 1: 25-68.
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Vasileyev, E. A. (also 'Vasiliev', 'Vasilyev')
1939
The Ichthyobdellidae of the Far East
Trudy Karelskogo Gosudarstvennogo Pedagogicheskogo Instituta, Biology Series, Petrozavudsk
1: 25-68
Publication
According to Sawyer (1986 vol 3 Bibliography) is a translation into English by A Glasse of a little-known original Russian work.
Asia
Heptacyclus Vasileyev, 1939 (original description)