Willem Kolvoort Onderwaterfotografie
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Protozoa
Vorticella
Vorticella
Vorticella
Vorticella
Vorticella
Vorticella
Vorticella
Ciliates on caddis fly ( Phryganea spec. ) larva
Ciliates on caddis fly ( Phryganea spec. ) larva and eggs from the Ghost midge ( Chaoborus spec. )
Ciliates on a river snail ( Viviparus contectus )
Vorticella
Ciliatus on a Ramshorn snail ( Planorbus corneus )
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