Stygobitic oligochaetes (Annelida, Clitellata) in Poland with remarks on their distribution in Central Europe

Abstract

In Poland eleven stygobitic species have been found, whereas in Central Europe their number reached 23 species. Lumbriculidae are represented by 10 species, Enchytraeidae by seven, Naididae by three, whereas Dorydrilidae and Lumbricidae by two and singular species, respectively. Some species are known from Central Europe exclusively, but majority of them have wider distribution.