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| Philodina megalotrocha EHRENBERG 1832 |
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| Philodina megalotrocha, whirling, while attached to filamentuous algae. The rotifer uses the wheel organ also for swimming. The orange eyespots are clearly visible (2). |
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| Philodina megalotrocha, creeping ventral view showing the rostrum (2). |
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| Philodina megalotrocha, like most Philodina species is oviparous. The eggs are attached to the algae. The current 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 (1). |
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| Philodina megalotrocha, egg (1). |
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| Philodina megalotrocha, trophi with dental formula 2/2 (3) |
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| Philodina megalotrocha, foot with spurs (3) |
| Location: Gevelsberg, Green Classroom, pond (1); Passo di Lavazè (1800m), Trentino, Italia, lake (2), Anhausen, Bavaria, fishponds (3) |
| Habitat: Periphyton (1); Periphyton with Fragilaria sp., Spirogyra sp., Desmidium swartzii, Diatoms, together with Otostephanos donneri and Cephalodella paxi (2); Periphyton (3) |
| Date: 2..9.2005 (1); coll. 28.09.2013 (img: 1.10.2013) (2); coll. 29.9.2013, img 3.10.2013 (3) |
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