Parent taxon: Chlorophyta according to Kundal 2010
See also Kiessling 2004 and Mancinelli et al. 2004
Sister taxa: Amgaella, Calathella, Caulerpites, Charophyceae, 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: Caulerpales
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Quaternary of Australia (1 collection)
• Cretaceous of Romania (3)
• Cambrian of Canada (3: British Columbia), the Russian Federation (1), United States (12: California, Idaho, Pennsylvania, Utah)
Total: 20 collections including 21 occurrences