Aphagea

Aphagea
	Astasia kathemerios
Scientific classification
Domain:	Eukaryota
Clade:	Discoba
Phylum:	Euglenozoa
Class:	Euglenida
Order:	Natomonadida
Clade:	Aphagea; Cavalier-Smith 1993 emend. Busse & Preisfeld 2003
Genera
	Distigmidae Distigma; ; Astasiidae Astasia; Gyropaigne; Menoidium; Parmidium; Rhabdomonas; ;
Synonyms
	Rhabdomonadina Leedale, 1967 emend. Cavalier-Smith, 1993;

Aphagea is a group of obligate osmotrophic protists. They are euglenids, flagellates with two flagella and a relatively flexible cell shape underlined with protein strips. Unlike other euglenids, they feed only by osmotrophy, and lack any specialized structure for ingestion.^[3] Their closest living relative is Neometanema, a genus of phagotrophic (ingestion-feeding) euglenids, together forming the taxon Natomonadida.^[1]

References

^ ^a ^b Lax, G.; Kolisko, M.; Eglit, Y.; Lee, W.J.; Yubuki, N.; et al. (June 2021). "Multigene phylogenetics of euglenids based on single-cell transcriptomics of diverse phagotrophs". Molecular Phylogenetics and Evolution. 159 107088. doi:10.1016/j.ympev.2021.107088. PMID 33545276.
^ Cavalier-Smith, Thomas (2016-10-01). "Higher classification and phylogeny of Euglenozoa". European Journal of Protistology. 56: 250–276. doi:10.1016/j.ejop.2016.09.003. ISSN 0932-4739.
^ Kostygov, Alexei Y.; Karnkowska, Anna; Votýpka, Jan; Tashyreva, Daria; Maciszewski, Kacper; et al. (2021). "Euglenozoa: taxonomy, diversity and ecology, symbioses and viruses". Open Biology. 11 (3) 200407. doi:10.1098/rsob.200407. PMC 8061765. PMID 33715388.

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[Lax-2021-1] Lax, G.; Kolisko, M.; Eglit, Y.; Lee, W.J.; Yubuki, N.; et al. (June 2021). "Multigene phylogenetics of euglenids based on single-cell transcriptomics of diverse phagotrophs". Molecular Phylogenetics and Evolution. 159 107088. doi:10.1016/j.ympev.2021.107088. PMID 33545276.

[2] Cavalier-Smith, Thomas (2016-10-01). "Higher classification and phylogeny of Euglenozoa". European Journal of Protistology. 56: 250–276. doi:10.1016/j.ejop.2016.09.003. ISSN 0932-4739.

[Kostygov-2021-3] Kostygov, Alexei Y.; Karnkowska, Anna; Votýpka, Jan; Tashyreva, Daria; Maciszewski, Kacper; et al. (2021). "Euglenozoa: taxonomy, diversity and ecology, symbioses and viruses". Open Biology. 11 (3) 200407. doi:10.1098/rsob.200407. PMC 8061765. PMID 33715388.

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