Table 3b. Comparison between Epistylis camprubii and the other Epistylis species mentioned in the manuscript: characteristics of stalk, macronucleus and contractile vacuole. SpeciesStalk width in vivo (µm)Stalk striation / segmentationMacronucleusContractile vacuoleData sourceEpistylis camprubii3.1–8.4Longitudinally striated, occasionally transeverse segmentationC-shaped, transversely oriented; adoral half of the body1, adoral third of the body, on dorsal wall of vestibulumPresent manuscriptE. balatonica–Longitudinally finely striatedHorinzotal horsehoe-shaped in the middle of the body1, in the heigh of the peristomial lipStiller 1971E. chrysemydis13–25Longitudinally striated, occasionally transeverse segmentationC-shaped, transversely oriented; adoral half of the body1, close or in the heigh of the peristomial lips, on ventral wall of vestibulumFoissner et al. 1992E. coronata11–18–Semicircular, adoral half of the body1, in the height of the peristomial lips, on dorsal wall of vestibulumFoissner et al. 1992E. entzii18–3/4 circular, adoral half of the body1, in the heigh of the peristomial lip, on dorsal wall of vestibulumFoissner et al. 1992E. epistyliformis–Transverse segmentationIntenselly flattened, horsehoe-shaped1, adoral third of the bodyStiller 1971E. hentscheli12–20, sometimes 25Occasionally finely annulatedSemicircular, adoral half of the body1, in the heigh of the peristomial lip, on ventral wall of vestibulumFoissner et al. 1992E. plicatilis7–18Longitudinally finely striatedSemicircular, adoral half of the body1, in the heigh of the peristomial lip, on dorsal wall of vestibulumFoissner et al. 1992E. rotans / E. procumbens–Fine longitudinally striated, transverse segmentationReniform to semicircular, in transverse axis and adoral half of zooid1, at level of peristomial lip, on dorsal wall Foissner et al. 1999 of vestibulumE. rotans–Longitudinally striated, transeverse segmentationC-shaped, transversely oriented, adoral third of the body1, located in the adoral third of the bodyCurds 1969E. thienemanni––Flattened ribbon-like and horsehoe-shaped, adoral third of the body1, located in the peristomial disc, on dorsal wall of vestibulumStiller 1971E. variabilisVariable––1, at the level of the peristomial lipStiller 1971

Published as part of Canals, Oriol & Salvadó, Humbert, 2016, Description of Epistylis camprubii n. sp., a Species Highly Tolerant to Ammonium and Nitrite, pp. 17 in Acta Protozoologica 55 (1) on page 17, DOI: 10.4467/16890027AP.16.002.4043, http://zenodo.org/record/8356873