Song, W.; Bradbury, P. C. (1997). Comparative Studies on a New Brackish Water Euplotes, E. parawoodruffi n. sp., and a Redescription of Euplotes woodruffi Gaw, 1939 (Ciliophora; Hypotrichida). Archiv für Protistenkunde. 148(4): 399-412.
Comparative Studies on a New Brackish Water Euplotes, E. parawoodruffi n. sp., and a Redescription of Euplotes woodruffi Gaw, 1939 (Ciliophora; Hypotrichida)