Abstract
The type species for three subgenera of Unionicola are designated as follows: U. robacki Vidrine, 1984 for Fulleratax Vidrine, 1984; U. berezai Vidrine, 1985 for Berezatax Vidrine, 1985; and U. sinuata Lundblad, 1938 for Australatax Vidrine, 1985.