Reference
Bettina Sonntag, Michaela Strüder-Kypke, Monika Summerer (2008): Uroleptus willii nov. sp., a euplanktonic freshwater
ciliate (Dorsomarginalia, Spirotrichea, Ciliophora) with
algal symbionts: morphological description including
phylogenetic data of the small subunit rRNA gene
sequence and ecological notes – Denisia – 0023: 279 - 288.