Belongs within: Oligohymenophorea.
The Vorticellidae are a group of sessile ciliates that live attached to their substrate by a stalk containing a contractile myoneme. Zooids may be solitary, gregarious or colonial, and are usually aloricate (Lynn & Small 2002).
<==Vorticellidae [Ophrydiidae]
|--Cothurniopsis imberbisD01
|--EpicarchesiumAB19
|--PelagovorticellaAB19
|--PseudovorticellaAB19
|--Ruthiella Schödel 1983LS02
| `--R. gammariLS02
|--Intranstylum Fauré-Fremiet 1904LS02
| |--I. aselliLS02
| `--I. oviformeLS02
|--Ophrydium Bory de St. Vincent 1826AB19, LS02
| |--O. crassicauleSX97
| |--O. sessileLS02
| `--O. versatileLS02
|--Carchesium Ehrenberg 1830LS02
| |--C. gracilisLS02
| |--C. limneticumC79
| |--C. polypinumH04
| `--C. steueriLS02
`--Vorticella Linnaeus 1767FT93
|--V. campanulaSX97
|--V. convallariaSX97
|--V. marinaG84
|--V. microstomaLB90
|--V. minima [incl. V. striata]LS02
|--V. monilataSX97
|--V. nebuliferaLB90
|--V. pictaSX97
|--V. punctataBK77
|--V. putrinumV63
`--V. similisSX97
*Type species of generic name indicated
References
[AB19] Adl, S. M., D. Bass, C. E. Lane, J. Lukeš, C. L. Schoch, A. Smirnov, S. Agatha, C. Berney, M. W. Brown, F. Burki, P. Cárdenas, I. Čepička, L. Chistyakova, J. del Campo, M. Dunthorn, B. Edvardsen, Y. Eglit, L. Guillou, V. Hampl, A. A. Heiss, M. Hoppenrath, T. Y. James, A. Karnkowska, S. Karpov, E. Kim, M. Kolisko, A. Kudryavtsev, D. J. G. Lahr, E. Lara, L. Le Gall, D. H. Lynn, D. G. Mann, R. Massana, E. A. D. Mitchell, C. Morrow, J. S. Park, J. W. Pawlowski, M. J. Powell, D. J. Richter, S. Rueckert, L. Shadwick, S. Shimano, F. W. Spiegel, G. Torruella, N. Youssef, V. Zlatogursky & Q. Zhang. 2019. Revisions to the classification, nomenclature, and diversity of eukaryotes. Journal of Eukaryotic Microbiology 66: 4–119.
[BK77] Barel, C. D. N., & P. G. N. Kramers. 1977. A survey of the echinoderm associates of the north-east Atlantic area. Zoologische Verhandelingen 156: 1–159.
[C79] Curds, C. R. 1979. Group phenomena in the phylum Protozoa. In: Larwood, G., & B. R. Rosen (eds) Biology and Systematics of Colonial Organisms pp. 29–37. Academic Press: London.
[D01] Daday, E. 1901. Édesvizi mikroszkópi állatok [Mikroskopische Süsswasserthiere]. In: Horváth, G. (ed.) Zichy Jenő Gróf Harmadik Ázsiai Utazása [Dritte Asiatische Forschungsreise des Grafen Eugen Zichy] vol. 2. Zichy Jenő Gróf Harmadik Ázsiai Utazásának Állattani Eredményei [Zoologische Ergebnisse der Dritten Asiatischen Forschungsreise des Grafen Eugen Zichy] pp. 375–470. Victor Hornyánszky: Budapest, and Karl W. Hierseman: Leipzig.
[FT93] Fensome, R. A., F. J. R. Taylor, G. Norris, W. A. S. Sarjeant, D. I. Wharton & G. L. Williams. 1993. A classification of living and fossil dinoflagellates. Micropaleontology Special Publication 7: i–viii, 1–351.
[G84] Gruber, A. 1884. Die Protozoen des Hafens von Genua. Verhandlungen der Kaiserlichen Leopoldinisch-Carolinischen Deutschen Akademie der Naturforscher [Nova Acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum] 46 (4): 473–539, pls 7–11.
[H04] Haeckel, E. 1899–1904. Kunstformen der Natur. Bibliographisches Institut: Leipzig und Wien.
[LB90] Lousier, J. D., & S. S. Bamforth. 1990. Soil protozoa. In: Dindal, D. L. (ed.) Soil Biology Guide pp. 97–136. John Wiley & Sones: New York.
[LS02] Lynn, D. H., & E. B. Small. 2002. Phylum Ciliophora Doflein, 1901. In: Lee, J. J., G. F. Leedale & P. Bradbury (eds) An Illustrated Guide to the Protozoa: Organisms traditionally referred to as Protozoa, or newly discovered groups 2nd ed. vol. 1 pp. 371–656. Society of Protozoologists: Lawrence (Kansas).
[SX97] Song B. & Xie P. 1997. Preliminary studies on the community structure of the planktonic protozoa from the outlet of Lake Dongting. Acta Hydrobiologica Sinica 21 (Suppl.): 60–68.