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Oligotrich

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Oligotrichs
Laboea strobila
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Ciliophora
Class: Spirotrichea
Subclass: Oligotrichia
Bütschli 1887[1]
Typical orders

The oligotrichs are a group of ciliates, included among the spirotrichs. They have prominent oral cilia, which are arranged as a collar and lapel, in contrast to the choreotrichs where they form a complete circle. The body cilia are reduced to a girdle and ventral cilia. In Halteria and its relatives, they form bristles or cirri; however these forms may be closer relatives of the stichotrichs than of other oligotrichs. These organisms are very common in plankton communities, especially in marine systems. Usually found in concentrations of about 1 per ml, they are the most important herbivores in the sea, the first link in the food chain.

References

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  1. ^ Lynn DH (2008-06-24). The Ciliated Protozoa: Characterization, Classification, and Guide to the Literature (3 ed.). Springer. p. 122. ISBN 978-1-4020-8239-9.

Further reading

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