Martinez-Ansemil, Sambugar & Giani 1997. Groundwater oligochaetes from southern-Europe. 1. A new genus and three new species of Rhyacodrilinae (Tubificidae) with a redescription of Tubifex pescei (Dumnicka) comb. n. Annales de Limnologie, 33(1) 1997: 33-44