Photomicrographs of live A–C silver impregnated cells D from RSO A and PDC B–D Paramecium caudatum A and Frontonia leucas B arrowheads show the cytostomes C contracted specimen of Stentor polymorphus, arrowhead marks the moniliform macronucleus D protargol impregnated specimen of Anteholosticha monilata showing the zig-zag cirral row (arrowheads) of fronto-ventral cirri typical of the urostyloid group. AZM = adoral zone of membranelles; MA = macronuclear nodule. Scale bars: 40µm.

 
 
  Part of: Bharti D, Kumar S, Buonanno F, Ortenzi C, Montanari A, Quintela-Alonso P, La Terza A (2022) Free living ciliated protists from the chemoautotrophic cave ecosystem of Frasassi (Italy). Subterranean Biology 44: 167-198. https://doi.org/10.3897/subtbiol.44.96545