Phalansterium

Phalansterium is a genus of single-celled flagellated organisms comprising several species, which form colonies.^[1] Phalansterium produces tetraspores.^[2]

Phalansterium
Phalansterium digitatum (figure 8)
Scientific classification
Domain:	Eukaryota
(unranked):	Amoebozoa
Subphylum:	Conosa
Class:	Variosea
Order:	Phalansteriida Hibberd, 1983
Family:	Phalansteriidae Kent, 1880-1881
Genus:	Phalansterium Cienkowski, 1870

Phalansterium is hard to classify; it has a distinctive ultrastructure of its pericentriolar material. Molecular evidence places it in the Amoebozoa.^[3][4]

It has been suggested that it is similar to the ancestral eukaryote.^[5]

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