A checklist of species of the family Zoothamniidae (Ciliophora: Peritrichia) symbionts of crustaceans Mayén-Estrada, Rosaura Dias, Roberto Junio Pedroso Zootaxa 2021 2021-03-26 4949 3 557 581 Stiller, 1953 Stiller 1953 [151,800,618,645] Oligohymenophorea Zoothamniidae Zoothamnium Protozoa Peritrichida 8 565 Ciliophora variety constrictum brevistylum   Distribution. Hungary.   Hosts.  Gammarus fossarum;  Gammarus roeselii(cited as  Carinogammarus triacanthus).   References. Stiller 1953a, 1971; Schödel 2018.