Biology:Eolouka

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Short description: Phylum of flagellated protists
"Eolouka"
Scientific classificationEdit this classification
Domain: Eukaryota
Clade: Diphoda
Clade: Discoba
Phylum: Eolouka
Cavalier-Smith, 2013[1] stat. nov.[2]
Groups included
  • Jakobea
  • Tsukubea
Cladistically included but traditionally excluded taxa

Eolouka is a paraphyletic phylum of protists localized in the clade Discoba. It contains two lineages: Jakobea and Tsukubea, the last containing only one genus, Tsukubamonas.[1][2]

History of classification

In 1999 Cavalier-Smith proposed a new paraphyletic phylum of flagellates called Loukozoa, containing only the jakobids.[3] In 2013 it was modified to contain three subphyla:[1]

  • Eolouka, containing the classes Jakobea and Tsukubea.
  • Metamonada, containing the infraphyla Trichozoa and Anaeromonada.
  • Neolouka, containing the only class Malawimonadea.

However, in later years these three groups were raised to the rank of phylum.[4][2]

References

  1. 1.0 1.1 1.2 "Early evolution of eukaryote feeding modes, cell structural diversity, and classification of the protozoan phyla Loukozoa, Sulcozoa, and Choanozoa". European Journal of Protistology 49 (2): 115–178. 2012. doi:10.1016/j.ejop.2012.06.001. PMID 23085100. 
  2. 2.0 2.1 2.2 Cavalier-Smith, Thomas (2017). "Kingdom Chromista and its eight phyla: a new synthesis emphasising periplastid protein targeting, cytoskeletal and periplastid evolution, and ancient divergences". Protoplasma 255 (1): 297–357. doi:10.1007/s00709-017-1147-3. PMID 28875267. 
  3. "Principles of protein and lipid targeting in secondary symbiogenesis: Euglenoid, dinoflagellate, and sporozoan plastid origins and the eukaryote family tree". Journal of Eukaryotic Microbiology 46 (4): 347–366. 1999. doi:10.1111/j.1550-7408.1999.tb04614.x. ISSN 1066-5234. PMID 18092388. 
  4. "Multiple origins of Heliozoa from flagellate ancestors: New cryptist subphylum Corbihelia, superclass Corbistoma, and monophyly of Haptista, Cryptista, Hacrobia and Chromista". Mol Phylogenet Evol 93: 331–362. 2015. doi:10.1016/j.ympev.2015.07.004. PMID 26234272.