†subfamily Actinoptychoideae (diatom)
Bacillariophyceae - Centrales - Actinodiscaceae
Parent taxon: Actinodiscaceae according to G. Andrews 1976
Sister taxa: none
Subtaxa: none
Ecology: passively mobile planktonic "photoautotroph"
Distribution: there are no occurrences of Actinoptychoideae in the database