ICZN. (2018). Opinion 2423 (Case 3689) – Cognettia Nielsen & Christensen, 1959 (Annelida, Oligochaeta, Enchytraeidae): conditional precedence given over Euenchytraeus Bretscher, 1906 and Chamaedrilus Friend, 1913.
The Bulletin of Zoological Nomenclature. 75(1): 279-281.