Family Hydrodictyaceae Dumortier 1829 (green algae)
Chlorophyceae - Hydrodictyaceae
Parent taxon: Chlorophyceae according to R. N. Lakhanpal et al. 1976
Sister taxa: Anatoliporaceae, Chaetophorales, Chlorococcales, Chlorotylites, Chuvashovia, Dascladales, Dasycladales, Euglena, Hungarodiscus, Larvaria, Noremia, Paleosiphonocladales, Pediastrites, Pediastrum, Pleurozonaria, Receptaculitidae, Scenedesmaceae, Tetrasporales, Ulothrix, Volvocales
Subtaxa: Hydrodictyon Pseudopediastrum
Ecology: stationary epifaunal "photoautotroph"
Distribution: