Haase, M. (1995). The stygobiont genus Bythiospeum in Austria: a basic revision and anatomical description of B. cf. geyeri from Vienna (Caenogastropoda: Hydrobiidae). American Malacological Bulletin. 11 (2): 123-137. Houston.
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Haase, M.
1995
The stygobiont genus <i>Bythiospeum</i> in Austria: a basic revision and anatomical description of <i>B</i>. cf. <i>geyeri</i> from Vienna (Caenogastropoda: Hydrobiidae)