Telonema is a genus of single-celled organisms.
Some sources group Telonema within the cryptomonads-haptophytes assemblage. It is sometimes assigned to a unique phylum, Telonemia. Although Telonema is within the Eukaryota Domain, it does not have any close relations to other organisms within that domain. However, it was once thought Telonema was closely related to photosynthetic cryptomonads, or stramenopiles and centrohelids, but there was not enough data to prove this. After a study of 127 genes across 72 species, they found that Telonema subtile could be related to Alveolata and Rhizaria.
Species Two species are recognized by AlgaeBase as of 2013, Telonema subtile and T. antarcticum.M. D. Guiry in Guiry, M. D. & G. M. 2013. Telonema Griessmann, 1913. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Accessed 9 June 2013. The latter was described in 2005.
Other sources call the former Telonema subtilis.
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