Utz, L. R. (2007).

First record of Epistylis plicatilis (Ciliophora: Peritrichia) attached to Pomacea canaliculata (Mollusca: Gastropoda) in Southern Brazil

. Zootaxa, 1454(1), 49–57. https://doi.org/10.11646/zootaxa.1454.1.4