A, B Two specimens of Litonotus lamella, arrowheads mark the firm pellicle lines in A and the macronucleus in B. C Coleps hirtus D, E Gonostomum affine cells, arrowheads show the curved adoral zone of membranelles typical of the genus F Vorticella picta G, H live and protargol stained cells of Tetrahymena pyriformis, showing the oral apparatus with three adoral membranelles and paroral membrane (double arrowhead) and two of the ciliary rows (arrowheads) I, J representative specimens of Climacostomum virens, arrowhead in J marks the stained macronucleus. MA = macronuclear nodule. Scale bars: 25µm.

 
 
  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