Ophthalmophagus singularis, Taxa Only, Exact Match: 2 Treatments

Plagiorchiida		new species	Stossich, M., 1903, Il Monostomum mutabile Zeder e le sue forme affini, Bolletino della Società Adriatica di Scienze Naturali in Trieste 21, pp. 1-40 : 29	29
Ophthalmophagus singularis			Dronen, Norman O. & Blend, Charles K., 2015, Updated keys to the genera in the subfamilies of Cyclocoelidae Stossich, 1902, including a reconsideration of species assignments, species keys and the proposal of a new genus in Szidatitreminae Dronen, 2007, Zootaxa 4053 (1), pp. 1-100 : 78	78