PaleoDB taxon number: 54452
Synonym: Chlorophytopsida [replaced name] (taxon 55091)
Parent taxon: Chlorophyta according to W. Kiessling 2003
Sister taxa: Bryopsidophyceae, Calathella, Caulerpites, Dasycladophyceae, Grypania, Indopolia, Lanceoforma, Microfasta, Monostysisyrinaceae, Palaeomastigocladus, Physophycus, Proterotainia, Pseudopalaeoporella, Retephycus, Schizosporis, Sgrossoella, Sinophyllum, Sphaeroporella, Spheroporella, Tetrasporaceae, Thaumatoporellales, Timanella, Ulvophyceae
Subtaxa: Anatoliporaceae, Botryococcus, Chaetophorales, Chlorococcales, Chlorotylites, Chuvashovia, Dascladales, Hungarodiscus, Larvaria, Noremia, Paleosiphonocladales, Pediastrites, Pediastrum, Pleurozonaria, Receptaculitidae, Scenedesmaceae, Tetrasporales, Volvocales
Ecology: stationary epifaunal "photoautotroph"