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| Philodina megalotrocha EHRENBERG 1832 |
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| Philodina megalotrocha, whirling, dorsoventral view. The orange eyespots are clearly visible (2). |
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| Philodina megalotrocha, whirling, another specimen from the same location as above, while attached to filamentuous algae. The rotifer uses the corona also for swimming. (2). |
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| Philodina megalotrocha, head while whirling, focus plane on the upper lip. (2) |
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| Philodina megalotrocha, creeping, ventral view showing the rostrum (2). |
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| Philodina megalotrocha, frontal view of specimen from (4), showing the upper lip |
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| Philodina megalotrocha, lateral view of a specimen with an egg. Like most Philodina-species P. megalotrocha is oviparous. The eggs are attached to the algae. The current created by the cilia of the trochal discs brings fresh water to the egg; so this is some sort of parental care (1). |
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| Philodina megalotrocha, foot with toes and egg (1). |
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| Philodina megalotrocha, egg (1). |
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| Philodina megalotrocha, ramate trophi with dental formula 2/2 (3) |
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| Philodina megalotrocha, foot with spurs (3) |
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| Location: Gevelsberg, Green Classroom, pond (1); Passo di Lavazè (1800m), Trentino, Italia, lake (2), Anhausen, Bavaria, fishponds (3); Gwell Kaer, Brittany, France; creek (4) |
| Habitat: Periphyton (1); Periphyton with Fragilaria sp., Spirogyra sp., Desmidium swartzii, Diatoms, together with Otostephanos donneri and Cephalodella paxi (2); Periphyton (3); (4) |
| Date: 2..9.2005 (1); coll.: 28.09.2013; img.: 03.10.2013) (2); coll.: 29.9.2013, img 3.10.2013 (3); 22.08.2020 (4) |
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