Bigyromonada is a recently described non-

photosynthetic Photosynthesis ( ) is a Biological system, system of biological processes by which Photoautotrophism, photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical ener ...

lineage of

stramenopiles The stramenopiles, also called heterokonts, are Protist, protists distinguished by the presence of stiff tripartite external hairs. In most species, the hairs are attached to flagella, in some they are attached to other areas of the cellular sur ...

that at present contains two classes.

Description

Bigyromonads are characterized by biciliate cells that feed on

bacteria Bacteria (; : bacterium) are ubiquitous, mostly free-living organisms often consisting of one Cell (biology), biological cell. They constitute a large domain (biology), domain of Prokaryote, prokaryotic microorganisms. Typically a few micr ...

through

phagotrophy Phagocytosis () is the process by which a cell uses its plasma membrane to engulf a large particle (≥ 0.5 μm), giving rise to an internal compartment called the phagosome. It is one type of endocytosis. A cell that performs phagocytosis is ...

. They are

marine organisms Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habita ...

Taxonomy

* Clade Bigyromonada Cavalier-Smith 1998 ** Class

Developea Bigyromonada is a recently described non-photosynthetic lineage of stramenopiles that at present contains two classes. Description Bigyromonads are characterized by biciliate cells that feed on bacteria through phagotrophy. They are marine li ...

Karpov & Aleoshin 2016 ex Cavalier-Smith 2017 *** Order Developayellales Doweld 2001 evelopayellida Cavalier-Smith 1987**** Family Developayellaceae Cavalier-Smith 1997 evelopayellidae***** '' Developayella'' Tong 1995 ****** '' Developayella elegans'' Tong 1995 ***** '' Develorapax'' Karpov & Aleoshin 2016 ****** '' Develorapax marinus'' Karpov & Aleoshin 2016 ** Class

Pirsonea ''Pirsonia'' is a non photosynthetic genus of heterokonts. It comprises the entirety of the family Pirsoniaceae, order Pirsoniida and class Pirsonea in the subphylum Bigyromonada, phylum Gyrista Gyrista is a clade of stramenopile protists conta ...

*** Order

Pirsoniales ''Pirsonia'' is a non photosynthetic genus of heterokont The stramenopiles, also called heterokonts, are protists distinguished by the presence of stiff tripartite external hairs. In most species, the hairs are attached to flagella, in some t ...

Cavalier-Smith 1998 irsoniida Cavalier-Smith & Chao 2006**** Family Pirsoniaceae Cavalier-Smith 1998 ***** ''Pirsonia'' Schnepf, Debres & Elbrachter 1990 ****** '' P. diadema'' Kühn 1996 ****** '' P. eucampiae'' Kühn 1996 ****** '' P. formosa'' Kühn 1996 ****** '' P. guinardie'' Schnepf, Debres & Elbrachter 1990 ****** '' P. mucosa'' Kühn 1996 ****** '' P. punctigerae'' ****** '' P. verrucosa'' Kühn 1996

References

External links

{{Taxonbar, from=Q23070368 Stramenopile taxa Heterokonts