| Philodina flaviceps 1; whirling, dorsoventral view. (1) |
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| Philodina flaviceps 1; crop of the above image; head with upper lip. (2) |
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| Philodina flaviceps 1; creeping specimen, corona retracted. (1) |
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| Philodina flaviceps 1; crop of the above image showing the rostrum with rostrum lamella and sensory cilia. (1) |
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| Philodina flaviceps 1; another creeping specimen. (1) |
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| Philodina flaviceps; this specimen is grazing on bacteria which are located on the surface of a Spirogyra alga. The corona is oriented ventrally, the rostrum is in front and sensing the surface of the alga. (9) |
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| Philodina flaviceps; this image of a specimen with retracted corona shows that P. flaviceps is able to swallow diatoms (arrow) (8). |
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| Philodina flaviceps; left: crop of the above image showing the rostrum lamella with cilia (ventral view). Right image showing the anterior part with dorsal antenna and granulated integument (7) |
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| Philodina flaviceps; whirling, dorsoventral view. Focus plane on the two small eyespots. (1) |
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| Philodina flaviceps; left image showing the upper lip which extends into bolsters which protrude around the head on both sides (arrowheads). Right image: foot with spurs. (1) |
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| Philodina flaviceps 1; foot of creeping specimen. (1) |
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| Philodina flaviceps; ramate trophi; dental formula (DF): 2/2 (1). |
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| Philodina flaviceps; lateral view of anterior part of specimen from (3). |
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| Philodina flaviceps; same specimen from (3); focus plane on the foot with two appendages which are presumably parasites. (4) |
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| Philodina flaviceps; another specimen from the same sample, contracted, full of parasites. (4) |
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| Location:; Hattingen Wodantal, Heierberg creek (east) (1); |
| Habitat: moss in lotic water (1); |
| Date: 14.04.2016 (1); |
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