| Gastronauta clatratus (1); a cyrtophorid ciliate with a typical transverse mouth region with a conspicuous lamella formed by cilia (arrows). |
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| Gastronauta clatratus (1), same specimen, dorsal side |
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| Gastronauta clatratus (1). |
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| Gastronauta clatratus (1); specimen from (2) |
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| Location: Sprockhövel, Schee, Teich (1); NSG Heiliges Meer, Großes Heiliges Meer (2) |
| Habitat: detritus (1); on artificially exposed microslides (2) |
| Date: 10.08.2016 (1); 28.04.2019 (2) |
