| Acanthocystis turfacea; specimen from (2) |
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| Acanthocystis turfacea; (1) |
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| Acanthocystis turfacea; (1) |
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| Acanthocystis turfacea; (1) |
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| Acanthocystis turfacea; crop of the above image. The yellow arrows point to the "fork" at the apex of the siliceous scales; the red arrows point to the basal disc of the scales. (3) |
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| Location: Gevelsberg, Grünes Klassenzimmer, pond (1); Wahner Heide near Cologne, Germany; Sphagnum pond (2,3); |
| Habitat : Detritus (1); (2,3) |
| Date: 01.09.2004 (1); 08.05.2010 (2) 01.06.2010 (3); |
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