Reports of EU member states' embassies receiving a list of their politicians, diplomats and military experts banned from entering Russia appeared in various media outlets earlier this week. A source in the Russian Foreign Ministry confirmed these reports on Saturday.
European lawmakers must decide "if and how" further dialogue with Russia should be under the current circumstances, the Greens/EFA's Harms and Hautala added.
Germany's Harms, Finland's Hautala, as well as German parliamentarian Daniel Marc Cohn-Bendit were among the group's members included in the travel ban.
German lawmaker Karl-Georg Wellmann was the first to be denied entry into Russia on May 24.
On Saturday, Speaker of the Polish Senate, Bogdan Borusewicz, demanded explanation for why he was one of 18 Polish politicians not allowed to travel to Russia.
Russian Deputy Foreign Minister Alexei Meshkov said Wednesday Moscow conducts a policy of not disclosing names, but said anyone can find out if they are blacklisted by turning to any Russian consular office abroad.
Certain Russian individuals have been denied entry to some Western states as part of a larger sanctions regime in the wake of the Ukrainian crisis, attributed to Russia by the West. The Russian government has consistently denied involvement in Ukraine's internal affairs.
Moscow compiled its own black list of persons from the United States and the European Union, but did not publicize it initially.