Checklist of Sphagnum-dwelling testate amoebae in Bulgaria Bankov, Nikola Todorov, Milcho Ganeva, Anna Biodiversity Data Journal 2018 6 25295 25295 Penard, 1893 Penard 1893 Oligotrichea Codonellidae Difflugia CoL Chromista Difflugia mammillaris Tintinnida 0 25295 Ciliophora species mammillaris  Distribution Rila Mt. ( Todorov 2004).