Holotricha is an order of ciliates. The classification has fallen from use as a formal taxon, but the terms "holotrich" and "holotrichous" are still applied descriptively to organisms with cilia of uniform length distributed evenly over the surface of the body.[1]
- ^ Lynn, Denis H. (2008). The Ciliated Protozoa: Characterization, Classification, and Guide to the Literature. 3rd Edition. Springer. p. 31. ISBN 978-1-4020-8238-2.