Mesotaeniaceae

Mesotaeniaceae
Spirotaenia condensata
Scientific classification
Kingdom:	Plantae
Division:	Charophyta
Class:	Zygnematophyceae
Order:	Zygnematales
Family:	Mesotaeniaceae Oltmanns, 1904
Genera
Ancylonema Cylindrocystis Geniculus Mesotaenium Netrium Nucleotaenium Planotaenium Roya Spirotaenia Tortitaenia

The Mesotaeniaceae are a small family of unicellular green algae known as the "saccoderm desmids". However the group does not appear to be closely allied to the "true" desmids, but rather related to the filamentous Zygnemataceae, such as Spirogyra.

The Mesotaeniaceae includes the following genera:

...
Wikipedia