''Phalansterium'' is a genus of single-celled
flagellated organisms comprising several species, which form colonies. ''Phalansterium'' produces tetraspores.
''Phalansterium'' is hard to classify; it has a distinctive
ultrastructure
Ultrastructure (or ultra-structure) is the architecture of cells and biomaterials that is visible at higher magnifications than found on a standard optical light microscope. This traditionally meant the resolution and magnification range of a co ...
of its
pericentriolar material Pericentriolar material (PCM, sometimes also called pericent matrix) is a highly structured, dense mass of protein which makes up the part of the animal centrosome that surrounds the two centrioles. The PCM contains proteins responsible for microtub ...
. Molecular evidence places it in the
Amoebozoa.
It has been suggested that it is similar to the ancestral eukaryote.
Species
Genus ''Phalansterium''
Cienkowsky 1870
* Species ''
Phalansterium arcticum''
Shmakova, Karpov & Smirnov 2018
* Species ''
Phalansterium consociatum''
(Fresenius 1858) Cienkowsky 1870
* Species ''
Phalansterium digitatum''
Stein 1878
* Species ''
Phalansterium filosum''
Cavalier-Smith & Chao 2011
* Species ''
Phalansterium intestinum''
Cienkowsky 1870
* Species ''
Phalansterium solitarium''
Sandon 1924
References
Amoebozoa genera
{{Amoebozoa-stub