Revision of the stygobiont gastropod genera Plagigeyeria Tomlin, 1930 and Travunijana Grego & Gloeer, 2019 (Mollusca; Gastropoda; Moitessieriidae and Hydrobiidae) in Hercegovina and adjacent regions. European Journal of Taxonomy, 691, Jul 27 2020: 1-56. 46 [Zoological Record Volume 156]