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| Trichotria tetractis Ehrenberg, 1830 |
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| Trichotria tetractis, dorsoventral view. In contrast to Trichotria pocillum this species lacks the conspicuous spine between the 2 toes (arrowheads). |
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| Trichotria tetractis, dorsoventral view. specimen from (1) |
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| Trichotria tetractis, dorsal view. Head retracted into the lorica. (2) |
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| Trichotria tetractis, lateral view. (2) |
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| Location: Bochum, NRW, Kalwes-Teich (1); Gevelsberg, Grünes KlassenZimmer, Teich (2); Wetter/ Ruhr; Harkort-See (3) |
| Habitat: detritus (1); (2); aggregations of Cyanobacteria (3) |
| Date: 18.04.2006 (1); 110.05. 2006 (2); 08.05.2021 (3) |
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