Stichotrichida is an order of ciliates. There are 236 species of Stichotrichida, in 51 genera and 9 families. It includes groups like Amphisiellidae, Keronidae, and Cladotrichidae.
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)