†class Charophyceae Smith 1938 (green algae)
Synonym: Charophytopsida [replaced name]
Parent taxon: Chlorophyta according to Kundal 2010
See also Kenrick and Crane 1997 and Ruiz-Omeñaca et al. 1997
Sister taxa: Amgaella, Bryopsidophyceae, Calathella, Caulerpites, Chlorophyceae, Dasycladophyceae, Fuxianospira, Grypania, Indopolia, Laenigma, Lanceoforma, Microfasta, Monostysisyrinaceae, Palaeomastigocladus, Physophycus, Proterotainia, Pseudopalaeoporella, Retephycus, Schizosporis, Sgrossoella, Sinocylindra, Sinophyllum, Sphaeroporella, Spheroporella, Tetrasporaceae, Thaumatoporellales, Timanella, Ulvophyceae, Yakutina
Subtaxa: Chovanellaceae Coleochaetales Moellerinales Pinnoputamenaceae Sycidiales Trochiliscaceae Zygnematales
Ecology: stationary epifaunal "photoautotroph"