| Encentrum marinum; the arrow points to the characteristic light-refracting body in the subcerebral glands (head). The intestinum of this specimen from a saltwatter source (2) contains presumably digested green algae (Enteromorpha sp.). |
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| Encentrum marinum; dorsoventrall view. The arrowheads point to the light-refracting bodies. In contrast to other animals presented here this specimen was found in a freshwater environment. (1) |
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| Encentrum marinum; dorsoventral view, focus plane on the forcipate trophi. (1) |
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| Encentrum marinum; the tweezer-like trophi can be protruded to catch the prey; specimen from (6) |
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| Encentrum marinum; left image: this dorsoventral view of the head shows the light-refracting bodies in the subcerebral glands. Right: forcipate trophi. (1) |
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| Encentrum marinum; another specimen with amictic egg. (1) |
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| Encentrum marinum; specimen from (2), feeding exclusively on small flagellates (Bodo?) |
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| Encentrum marinum; trophi of specimen from (2), |
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| Encentrum marinum; near some micro-algae which were very abundant in this habitat. In contrast to animals from other habitats the specimens from this population have very short toes. (7) |
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| Encentrum marinum; same specimen with protruded trophi. ( 7) |
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| Encentrum marinum; same specimen focus plane on a ring of motile cilia of the corona (arrowheads) (7) |
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| Encentrum marinum; specimen from (3), lateral view |
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| Encentrum marinum; specimen from (4), slightly compressed by coverslide; head retracted. |
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| Encentrum marinum; another specimen, lateral view, from (5). |
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| Location: Bad Frankenhausen; Kyffhäuser, Elisabethquelle (2); Aber Benoit, Treglonou, Britanny, France (3); Hiddensee, Siel (4); Hollum, Ameland, NL, Waddenzee (5); |
| Habitat: detritus in salinic water (salinity 4-7%) (2); between green algae (Enteromorpha?) (3); on microslides covered with aufwuchs (4); between algae (5), together with Proales halophila; |
| Date: 24.10.2016 (2); 07.08.2018 (3); 02.10.2018 (4); 18.10.2018 (5); |
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