Song & Wilbert 2002. Reinvestigations of three "well-known" marine scuticociliates: Uronemella filificum (Kahl, 1931) nov. gen., nov. comb., Pseudocohnilembus hargisi Evans & Thompson, 1964 and Cyclidium citrullus Cohn 1865, with description of the new genus Uronemella (Protozoa, Ciliophora, Scuticociliatida). Zoologischer Anzeiger, 241(4), December 2002: 317-331