Calkinsia
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| Calkinsia | |
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| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Excavata |
| Division: | Euglenozoa |
| Class: | see text |
| Genus: | Calkinsia J. Lackey, 1960 |
| Species: | C. aureus |
Calkinsia is a genus of alga comprising one species.[1] It lives in low-oxygen seafloor environments.[2][3] It is not classified in any of the three well-known groups of the Euglenozoa (Kinetoplastida, Euglenida or Diplonemida), but is placed in its own group, the Symbiontida (along with some DNA sequences which were found in marine environments but not identified with known organisms).[2] Some authors have classified Calkinsia alongside Postgaardi, but Postgaardi has not been studied well enough to test this hypothesis.[2]
[edit] Species
The only taxonomically valid species is C. aureus.
[edit] References
- ^ Guiry, M.D.; Guiry, G.M. (2008). "Calkinsia". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/search/genus/detail/?genus_id=47498. Retrieved 2009-02-22.
- ^ a b c Yubuki, N; Edgcomb, Vp; Bernhard, Jm; Leander, Bs (Jan 2009). "Ultrastructure and molecular phylogeny of Calkinsia aureus: cellular identity of a novel clade of deep-sea euglenozoans with epibiotic bacteria" (Free full text). BMC microbiology 9: 16. doi:10.1186/1471-2180-9-16. PMC 2656514. PMID 19173734. http://www.biomedcentral.com/1471-2180/9/16.
- ^ Amend, Jan P.; Edwards, Katrina J.; Lyons, Timothy D. (2004). Sulfur biogeochemistry: past and present. Boulder, Colo.: Geological Society of America. ISBN 978-0-8137-2379-2.
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