Paramecium caudatum, the 'slipper animalcule', is the most well-known ciliate. Ciliates are unicellular organisms that use cilia, short whip-like hairs, for locomotion as well as for feeding. Zoom in to see how this feeding works.

This species can be 300 microns in length.

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Part of the Collection of the Ciliate Centre of the Micropolitan Museum © Wim van Egmond