Family EUPLOTIDAE Ehrenberg, 1838
| Syns. |
Ploesconiidae,
Uronychiidae |
Marginal cirri absent or greatly reduced in number; transverse and frontoventrals
often tremendously developed, heavy, and very conspicuous; oral ciliature
also prominent, usually extending more than half the length of the body;
intercirral tracts of microtubules; kinetodesmata reported; many species,
widely distributed, predominantly marine; Euplotes has been found
in sea urchins, and Uronychia in mollusc mantle cavity.
[Discocephalus, a curious genus with an equally curious taxonomic
history, is tentatively included here. Swedmarkia reminds one strongly
of Gastrocirrhus, a member of the following family.]
Certesia Fabre-Domergue, 1885.
Few species. |
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Cytharoides Tuffrau, 1975.
Single species. |
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Diophrys Dujardin, 1841.
Many species. |
  
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Discocephalus Ehrenberg in Hemprich & Ehrenberg, 1828
(syn. Polycoccon).
Several species. |
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Euplotes Ehrenberg, 1830
(syns. Ploesconia, possibly Crateromorpha?).
Very many (perhaps > 50) species. |
   
   
  
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Swedmarkia Dragesco, 1954.
Single species. |
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Uronychia Stein, 1859
(syn. Euronychia).
Several species. |
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