Zygnemataceae

Zygnemataceae
	A species of Spirogyra, which has chloroplasts that are helix-shaped
Scientific classification
Kingdom:	Plantae
Division:	Charophyta
Class:	Zygnematophyceae
Order:	Zygnematales
Family:	Zygnemataceae
Genera
	Ancylonema; Cylindrocystis; Entransia; Mesotaenium; Mougeotia; Mougeotiopsis; Netrium; Roya; Sirogonium; Spirogyra; Tortitaenia; Transeauina; Zygnema; Zygogonium;

The Zygnematacae are a family of green algae. Some types have only one cell, and other types have a string of connected cells. This string does not break into branches.