Discosea is a
class
Class, Classes, or The Class may refer to:
Common uses not otherwise categorized
* Class (biology), a taxonomic rank
* Class (knowledge representation), a collection of individuals or objects
* Class (philosophy), an analytical concept used d ...
of
Amoebozoa
Amoebozoa is a major Taxonomy (biology), taxonomic group containing about 2,400 described species of Amoeba, amoeboid protists, often possessing blunt, fingerlike, Pseudopod#Morphology, lobose pseudopods and tubular mitochondrial cristae. In trad ...
, consisting of naked amoebae with a flattened, discoid body shape.
[ Members of the group do not produce tubular or subcylindrical ]pseudopodia
A pseudopod or pseudopodium (: pseudopods or pseudopodia) is a temporary arm-like projection of a eukaryotic cell membrane that is emerged in the direction of movement. Filled with cytoplasm, pseudopodia primarily consist of actin filaments and ...
, like amoebae of the class Tubulinea. When a discosean is in motion, a transparent layer called ''hyaloplasm'' forms at the leading edge of the cell (see lamellipodium). In some discoseans, short "subpseudopodia" may be extended from this hyaloplasm, but the granular contents of the cell do not flow into these, as in true pseudopodia. Discosean amoebae lack hard shells, but some, like ''Cochliopodium
''Cochliopodium'' is a Himatismenida genus.
It has been found in eyewash stations.
It includes:
* ''C. actinophorum'' (Auerbach 1856) Page 1976
* ?''C. ambiguum'' Penard 1904
* ''C. arabianum'' Tekle, Gorfu & Anderson 2015
* ''C. barki'' Kudrya ...
'' and '' Korotnevella'' secrete intricate organic scales which may cover the upper (dorsal) surface of the cell. No species have flagella or flagellated stages of life.taxon
In biology, a taxon (back-formation from ''taxonomy''; : taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and ...
, including several groups not included in Flabellinea.
Taxonomy
Class Discosea Cavalier-Smith 2004 stat. nov. Adl et al. 2018Acanthamoebidae
Acanthamoebidae is a family of single-celled eukaryotes within the group Amoebozoa.
It gets its name from '' Acanthamoeba'', its best-known member. However, it also includes other species, such as '' Comandonia operculata'' and '' Protacanthamoe ...
Sawyer & Griffin 1975 em. Tice et al. 2016
** Order Himatismenida Page 1987 ochliopodiida*** Family Parvamoebidae Cavalier-Smith & Smirnov 2011
*** Family Cochliopodiidae
Himatismenida is an Amoebozoa order, in the class Discosea, along with Glycostylida and Dermamoebida. It contains species such as ''Cochliopodium gallicum''.
References
Amoebozoa orders
Discosea
{{Amoebozoa-stub ...
Taranek 1882
** Order Pellitida Page 1987
*** Family Pellitidae Smirnov & Kudryavtsev 2005
*** Family Goceviidae Cavalier-Smith & Smirnov 2011
* Subclass Flabellinia Smirnov & Cavalier-Smith 2011 em. Kudryavtsev et al. 2014
** Order Dactylopodida Smirnov et al. 2005
*** Family Paramoebidae Poche 1913 em. Kudryavtsev, Pawlowski & Hausmann 2011
*** Family Vexilliferidae Page 1987 em. Kudryavtsev, Pawlowski & Hausmann 2011
** Order Dermamoebida Cavalier-Smith 2004 em. Smirnov & Cavalier-Smith 2011
*** Family Dermamoebidae Cavalier-Smith & Smirnov 2011 (Lingulate amoeba)
*** Family Mayorellidae Schaeffer 1926 em. Smirnov et al. 2011
** Order Thecamoebida Schaeffer 1926 em. Smirnov & Cavalier-Smith 2011
*** Family Stenamoebidae Cavalier-Smith 2016
*** Family Thecamoebidae Chatton 1925 em. Smirnov et al. 2011 (striate & rugose amoeba)
** Order Vannellida Smirnov et al. 2005
*** Family Discamoebidae Bovee & Jahn, 1967 ex Jahn, Bovee & Griffith 1974
*** Family Vannellidae (Bovee, 1970)
References
External linksDiscosea at Ferry Siemensma's MicroworldThe order Hismatismenida at Penard.com
Amoebozoa classes
Taxa named by Thomas Cavalier-Smith
{{Amoebozoa-stub