Glöer (2002)[7] reassigned two European extinct species of Parafossarulus into a subgenus of the genus Bithynia, but the genus Parafossarulus is generally accepted for the Asian species.
^Madhyastha A. & Jinghua F. (2014).
"Parafossarulus eximius". The IUCN Red List of Threatened Species 2014: e.T166250A1122592. Downloaded on 26 December 2015.
^
abcKantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories".
Version 2.3.1.
^Glöer P. (2002). Die Süßwassergastropoden Nord- und Mitteleuropas. Die Tierwelt Deutschlands, ConchBooks, Hackenheim, 326 pp.,
ISBN3-925919-60-0, page 190-194.