Acrochaetiales is an order of red algae.
Taxonomy Acrochaetiales contains two families and six genera: Acrochaetiaceae Fritsch ex W.R.Taylor
Acrochaetium Nägeli (synonyms: Chromastrum Papenfuss, Kylinia Rosenvinge, Liagorophila Yamada, Rhodochortonopsis Yamada)
Audouinella Bory Grania (Rosenvinge) Kylin Rhodochorton Nägeli (synonym: Thamnidium Thuret) Rhododrewia S.L.Clayden & G.W.Saunders Ottiaceae Entwisle, J.R.Evans, M.L.Vis & G.W.Saunders Ottia Entwisle, J.R.Evans, M.L.Vis & G.W.Saunders
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