Zygnematophyceae

Zygnematophyceae
Conjugation in Spirogyra.
Scientific classification
Kingdom: Plantae
Clade: Streptophyta
Class: Zygnematophyceae
Round, 1971
Subclasses
  • Subclass Zygnematophycidae
  • Subclass Spirogloeophycidae
    • Order Spirogloeales
Synonyms
  • Akontae Blackman & Tansley, 1902
  • Conjugatophyceae Engler, 1892
  • 'Conjugatae' Engler, 1892
  • Gamophyceae
  • Saccodermae Pascher ex Kossinskaja, 1952
  • Zygnemaphyceae Round 1971
  • Zygophyceae Widder, 1960

Zygnematophyceae (or Conjugatophyceae) is a class of green algae in the paraphylum streptophyte algae, also referred to as Charophyta, consisting of more than 4000 described species. The Zygnematophyceae are the sister clade of the Embryophyta (land plants).

Common members of the Zygnematophyceae include the filamentous algae Spirogyra and Mougeotia, as well as desmids, which are microscopic algae characterized by symmetrical and elaborately ornate cells.

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