| Cephalodella exigua; a species with cerebral eyespot; capable of swallowing diatoms; lateral view. (1) |
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| Cephalodella exigua; specimen from (2). |
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| Cephalodella exigua; dorsoventral view; focal plane on the lip (2). |
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| Cephalodella exigua; virgate trophi type A; left: dorsoventral view; right: lateral view. (1) |
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| Location (1): Ennepetal, NRW, Germany, Ennepe near "Sterngolfplatz" |
| Habitat (1): abundant on detritus on current-exposed stones |
| Date (1): 14.05.2021 |
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Location (2): Wupper near Müngstener Brücke; |
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| Habitat (2): epibiontic on the red alga Torularia atra in lotic water |
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| Date(2) : 15.10.2022 (2) |
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