Bigyra
Bigyra is a paraphyletic grouping of stramenopile organisms.[3] It includes Bicosoecida, Blastocystis and Labyrinthulida.[3] It has also been described as containing Opalozoa, Bicoecia, and Sagenista.[4]
| Bigyra | |
|---|---|
 | |
| Aplanochytrium, SEM showing one vegetative cell and extended ectoplasmic network. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Clade: | Diaphoretickes |
| Clade: | SAR |
| Clade: | Stramenopiles |
| Phylum: | Bigyra Cavalier-Smith, 1997, 1998[1][2] |
| Subphyla | |
Wikispecies has information related to Bigyra.
Phylogeny
The cladogram below shows the internal relationships within Bigyra:[5]
| Bigyra |
|
"Wobblata" | ||||||||||||||||||||||||||||||||||||||||||
Classification
The modern taxonomy of Bigyra is as follows:[6]
- Phylum Bigyra
- Subphylum Opalozoa
- Infraphylum Placidozoa
- Superclass Wobblata (paraphyletic)
- Class Placididea
- Class Nanomonadea
- Class Opalomonadea
- Superclass Opalinata
- Class Opalinea
- Class Blastocystea
- Superclass Wobblata (paraphyletic)
- Infraphylum Bikosia
- Class Bikosea
- Infraphylum Placidozoa
- Subphylum Sagenista
- Class Labyrinthulea
- Class Eogyrea
- Subphylum Opalozoa
References
- Cavalier-Smith T (1997). "Sagenista and Bigyra, two phyla of heterotrophic heterokont chromists". Archiv für Protistenkunde. 148 (3): 253–267. doi:10.1016/S0003-9365(97)80006-1.
- Cavalier-Smith T (1998). "A revised six-kingdom system of life". Biol Rev Camb Philos Soc. 73 (3): 203–66. doi:10.1111/j.1469-185X.1998.tb00030.x. PMID 9809012. S2CID 6557779.
- Riisberg I, Orr RJ, Kluge R, et al. (May 2009). "Seven gene phylogeny of heterokonts". Protist. 160 (2): 191–204. doi:10.1016/j.protis.2008.11.004. PMID 19213601.
- Cavalier-Smith T, Chao EE (April 2006). "Phylogeny and megasystematics of phagotrophic heterokonts (kingdom Chromista)". J. Mol. Evol. 62 (4): 388–420. doi:10.1007/s00239-004-0353-8. PMID 16557340. S2CID 29567514.
- Cavalier-Smith, Thomas; Scoble, Josephine Margaret (2012). "Phylogeny of Heterokonta: Incisomonas marina, a uniciliate gliding opalozoan related to Solenicola (Nanomonadea), and evidence that Actinophryida evolved from raphidophytes". European Journal of Protistology. 49 (3): 328–353. doi:10.1016/j.ejop.2012.09.002. PMID 23219323.
- 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. PMC 5756292. PMID 28875267.
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