Erséus, C., M. J. Wetzel, and L. Gustavsson. “ICZN rules—a Farewell to Tubificidae (Annelida, Clitellata)”. Zootaxa, vol. 1744, no. 1, Apr. 2008, pp. 66–68, doi:10.11646/zootaxa.1744.1.7.