Bicoecida
Scientific classification
Domain:	Eukaryota
Clade:	Sar
Clade:	Stramenopiles
Phylum:	Bigyra
Class:	Bikosea
Superorder:	Cyathobodoniae
Order:	Bicoecida Grassé, 1926
Families
Bicosoecidae Labromonadidae
Synonyms
BikoecidaStein, 1878 BicoecinaeGrassé, 1926[1] BicoecideaGrassé &Deflandre inGrassé, 1952[2] BicosoecalesBourrelly, 1968, 1981 BicoecalesKristiansen, 1972[3] BicosoecophyceaeCasper, 1974,Loeblich III &Loeblich 1979[4] BicosoeceaCavalier-Smith, 1986 BicoeciaCavalier-Smith, 1989 BicoeceaCavalier-Smith, 1993 BicocoecidaGrassé, 1926[5]emend.Karpov, 1998[6] Honigberg et al., 1964, Zhukov, 1978, Karpov, 1998, 2000 Bicocoecidavan den Hoek et al., 1995 BicosoecidaHonigberg et al., 1964, Zhukov, 1978, Karpov, 1998, 2000

Bicoecida^[7] (ICZN) orBicosoecales/Bicoecea (ICBN) is an order ofBikosea, a small group of unicellularflagellates, included among thestramenopiles. Informally known asbicoecids, they are free-living cells, with nochloroplasts, and in some genera are encased in alorica.

The name of thetype genusBicosoeca described byJames-Clark in 1866 is derived from Greek roots (bikos, vase, bowl, plusoekein, inhabit). The philologically preferable compound would beBicoeca, as "corrected" byStein in 1878 and followed by most subsequent authors. However, according to theICBN andICZN, the original spelling of the name cannot be considered incorrect and it must be used in its original form.

The group was formerly considered to be related to theChrysophyceae.^[8]

Some authors use the vernacular term "bicoecid" (or "bicosoecid") in a narrower sense, only forBicosoeca, applying "bicoeceans" toBicosoeca and related groups likeCafeteria.^[9]

• Hibberd, D. J. (1986). Ultrastructure of the Chrysophyceae. Colorless forms.p. 29-30 In:Chrysophytes: Aspects and Problems. Kristiansen, J. and R.A. Andersen [Eds.]. Cambridge University Press, Cambridge.

• Data related toBicoecida at Wikispecies

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