Phalansterium

Phalansterium is a genus of single-celled flagellated organisms comprising several species, which form colonies.[1] Phalansterium produces tetraspores.[2]

Phalansterium
Phalansterium digitatum (figure 8)
Scientific classification
Domain:
Eukaryota
(unranked):
Amoebozoa
Subphylum:
Conosa

Cavalier-Smith, 1998
Class:
Variosea

Cavalier-Smith, 2004
Order:
Phalansteriida

Hibberd, 1983
Family:
Phalansteriidae

Kent, 1880-1881
Genus:
Phalansterium

Cienkowski, 1870

Phalansterium is hard to classify; it has a distinctive ultrastructure of its pericentriolar material. Molecular evidence places it in the Amoebozoa.[3][4]

It has been suggested that it is similar to the ancestral eukaryote.[5]

Species

Genus Phalansterium Cienkowsky 1870

  • Species Phalansterium arcticum Shmakova, Karpov & Smirnov 2018
  • Species Phalansterium consociatum (Fresenius 1858) Cienkowsky 1870
  • Species Phalansterium digitatum Stein 1878
  • Species Phalansterium filosum Cavalier-Smith & Chao 2011
  • Species Phalansterium intestinum Cienkowsky 1870
  • Species Phalansterium solitarium Sandon 1924

References
  1. "Phalansterium". Encyclopedia of Life.
  2. Guiry, M.D.; Guiry, G.M. (2008). "Phalansterium". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. Retrieved 2009-02-21.
  3. Thomas Cavalier-Smith, Ema E. -Y. Chaoa and Brian Oates (18 May 2004). "Molecular phylogeny of Amoebozoa and the evolutionary significance of the unikont Phalansterium". European Journal of Protistology. 40 (1): 21–48. doi:10.1016/j.ejop.2003.10.001.
  4. Nikolaev, Si; Berney, C; Petrov, Nb; Mylnikov, Ap; Fahrni, Jf; Pawlowski, J (Jun 2006). "Phylogenetic position of Multicilia marina and the evolution of Amoebozoa". International Journal of Systematic and Evolutionary Microbiology. 56 (Pt 6): 1449–58. doi:10.1099/ijs.0.63763-0. PMID 16738126. Archived from the original (Free full text) on 2012-07-09.
  5. Cavalier-Smith T (March 2002). "The phagotrophic origin of eukaryotes and phylogenetic classification of Protozoa". Int. J. Syst. Evol. Microbiol. 52 (Pt 2): 297–354. doi:10.1099/00207713-52-2-297. PMID 11931142.


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