original description
Thompson, P. G. (1892). Notes on the parasitic tendency of rotifers of the genus Proales; with an account of a new species. Science Gossip, London, 28, 219-221 [details] Available for editors 
additional source
Wilts, E. F.; Bruns, D.; Fontaneto, D.; Ahlrichs, W. H. (2012). Phylogenetic study on Proales daphnicola Thompson, 1892 (Proalidae) and its relocation to Epiphanes (Rotifera: Epiphanidae). Zoologischer Anzeiger, 251, 180-196 [details] Available for editors 
From editor or global species database