Dózsa-Farkas, K., Porco, D. & Boros, G. (2012) Are Bryodrilus parvus Nurminen, 1970 and Bryodrilus librus (Nielsen and Christensen, 1959) (Annelida: Enchytraeidae) really different species? A revision based on DNA barcodes and morphological data. Zootaxa, 3276 (1), 38–50.