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Colpodea

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Class of protists in the ciliates phylum

Colpodea
Colpoda inflata
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Clade: Alveolata
Phylum: Ciliophora
Subphylum: Intramacronucleata
Class: Colpodea
Small & Lynn 1981
Typical orders

The Colpodea are a class of ciliates, of about 200 species common in freshwater and soil habitats. The body cilia are typically uniform, and are supported by dikinetids of characteristic structure, with cilia on both kinetosomes. The mouth may be apical or ventral, with more or less prominent associated polykinetids. Many are asymmetrical, the cells twisting sideways and then untwisting again prior to division, which often takes place within cysts. Colpoda, a kidney-shaped ciliate common in organic rich conditions, is representative.

Most ciliates placed here were originally considered advanced trichostomes, on the assumption that they lacked true oral cilia. However the Bursariomorphida, large carnivorous ciliates whose oral cavity forms a deep anterior pocket, were considered heterotrichs because of their prominent oral polykinetids. The modern class was first defined by Small & Lynn in 1981, based mainly on the structure of the body kinetids.

References

Further reading

External links

Eukaryota: SAR: Alveolata
Domain
Archaea
Bacteria
Eukaryota
(major groups
Excavata
Diaphoretickes
Hacrobia
Cryptista
Rhizaria
Alveolata
Stramenopiles
Plants
Amorphea
Amoebozoa
Opisthokonta
Animals
Fungi
Mesomycetozoea)
Acavomonidia
AcavomonadeaAcavomonadida (Acavomonas)
Ciliophora
Intramacronucleata
Postciliodesmatophora
Mesodiniea (Mesodinium, Myrionecta)
Colponemidia
ColponemadeaColponemadida (Colponema)
Myzozoa
Apicomplexa
Aconoidasida
Haemospororida
Piroplasmida
Conoidasida
Coccidia
Agamococcidiorida
Eucoccidiorida
Adeleorina
Eimeriorina
Sarcocystidae
Ixorheorida
Protococcidiorida
Gregarinasina
Archigregarinorida
Eugregarinorida
Aseptatorina
Blastogregarinorina
Septatorina
Neogregarinorida
Apicomonadea
Chromerida
Colpodellida
Voromonadida
Dinoflagellata
Dinokaryota
Noctilucea
Syndinea
Other
Perkinsozoa
Perkinsea
Protalveolata
Ellobiopsea
Myzomonadea
Algovorida
Chilovorida
Squirmidea
Taxon identifiers
Colpodea


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