Bicosoecida

Bicosoecida
	Cafeteria roenbergensis, a non-loricate bicosoecid
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
Superphylum:	Stramenopiles
Class:	Bikosea
Subclass:	Bicosidia
Superorder:	Cyathobodoniae
Order:	Bicosoecida; Grassé, 1926 emend. Karpov, 1998 Honigberg et al., 1964, Zhukov, 1978, Karpov, 1998, 2000
Families
	Rictidia; Bicosidia;
Synonyms
	Bikoecida Stein, 1878; Bicoecinae Grassé, 1926; Bicoecidea Grassé & Deflandre in Grassé, 1952; Bicosoecales Bourrelly, 1968, 1981; Bicoecales Kristiansen, 1972; Bicosoecophyceae Casper, 1974, Loeblich III & Loeblich 1979; Bicosoecea Cavalier-Smith, 1986; Bicoecia Cavalier-Smith, 1989; Bicoecea Cavalier-Smith, 1993; Bicocoecida van den Hoek et al., 1995; Bicosoecida Honigberg et al., 1964, Zhukov, 1978, Karpov, 1998, 2000;

Bicosoecida (ICZN) or Bicosoecales/Bicoecea (ICBN) is an order of Bikosea, a small group of unicellular flagellates, included among the stramenopiles. Informally known as bicosoecids, they are a small group of unicellular flagellates. The cells are free-living, with no chloroplasts, and in some genera are encased in a lorica.

The name of the type genus Bicosoeca described by James-Clark in 1866 is derived from Greek roots (bikos, vase, bowl, plus oekein, inhabit). The philologically preferable compound would be Bicoeca, as "corrected" by Stein in 1878 and followed by most subsequent authors. However, according to the ICBN and ICZN, 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 the Chrysophyceae.

Some authors use the vernacular term "bicosoecid" (or "bicoecid") in a narrower sense, only for Bicosoeca, applying "bicoeceans" to Bicosoeca and related groups like Cafeteria.

With the advent of using molecular phylogenies to resolve relationships of many eukaryotes the original circumscription of bicosoecids has been greatly expanded upon to include other orders and the rank has changed from an order to a class.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.