Riemann, O. & Kieneke, A. (2008) First record of males of Encentrum mucronatum Wulfert, 1936 and Encentrum martes Wulfert, 1939 (Rotifera: Dicranophoridae) including notes on males across Rotifera Monogononta. Zootaxa, 1701 (1), 63–68.