†family Scenedesmaceae Oltmanns 1904 (green algae)
Chlorophyceae - Scenedesmaceae
Parent taxon: Chlorophyceae according to Oltmanns 1904
Sister taxa: Anatoliporaceae, Chaetophorales, Chlorococcales, Chlorotylites, Chuvashovia, Dascladales, Dasycladales, Euglena, Hungarodiscus, Hydrodictyaceae, Larvaria, Noremia, Paleosiphonocladales, Pediastrites, Pediastrum, Pleurozonaria, Receptaculitidae, Tetrasporales, Ulothrix, Volvocales
Subtaxa: Scenedesmus
Ecology: stationary epifaunal "photoautotroph"
Distribution:
• Paleocene of Argentina (1 collection)
• Cretaceous of Argentina (1), the United Kingdom (1)
Total: 3 collections including 4 occurrences