Description: English: Hypotrich (author: Damián H. Zanette, microscopic photograph taken by author). Date: 1 November 2006 (according to Exif data). Source: Own work by the original uploader. Author: User:Dhzanette~enwiki.
Description: English: Dividing hypotrich (author: Damián H. Zanette, microscopic photograph taken by author). Date: 1 November 2006 (according to Exif data). Source: Own work by the original uploader. Author: User:Dhzanette~enwiki.
Description: English: The ciliate Euplotes patella, as depicted by C.G. Ehrenberg, in 1838. Date: 6 July 2012, 13:06:37. Source: Die Infusionsthierchen als vollkommene Organismen, 1838. Author: C. G. Ehrenberg.
Description: English: Alfred Kahl's drawings of the ciliate Euplotes harpa, from vol. III of Wimpertiere oder Ciliata. Date: 1930. Source: Extracted from this Commons file. Author: Alfred Kahl.