Wilts, E.F., Bininda-Emonds, O.R.P. & Ahlrichs, W.H. (2009) Comparison of the predatory rotifers Pleurotrocha petromyzon (Ehrenberg, 1830) and Pleurotrocha sigmoidea Skorikov, 1896 (Rotifera: Monogononta: Notommatidae) based on light and electron microscopic observations. Zootaxa, 2130 (1), 1–20.
https://doi.org/10.11646/zootaxa.2130.1.1