†family Monostysisyrinaceae Wu 1991 (green algae)
Monostysisyrinaceae - Monostysisyrinaceae
Full reference: Y. S. Wu. 1991. Organisms and Communities of Permian Reef of Xiangbo, China 1-192
Parent taxon: Chlorophyta according to Y. S. Wu 1991
Sister taxa: Amgaella, Bryopsidophyceae, Calathella, Caulerpites, Charophyceae, Chlorophyceae, Chuariophyceae, Dasycladophyceae, Fuxianospira, Indopolia, Laenigma, Lanceoforma, Microfasta, Palaeomastigocladus, Physophycus, Proterotainia, Pseudopalaeoporella, Retephycus, Schizosporis, Sgrossoella, Sinocylindra, Sinophyllum, Sphaeroporella, Spheroporella, Tetrasporaceae, Thaumatoporellales, Timanella, Ulvophyceae, Yakutina
Subtaxa: Monostysisyrinx
Ecology: stationary epifaunal "photoautotroph"
Distribution: found only at Xiangbo reef 35-2 (Permian of China)