†subfamily Pleurosigmoideae (diatom)
Bacillariophyceae - Naviculales - Naviculaceae
Parent taxon: Naviculaceae according to G. Andrews 1976
Sister taxa: Amphipleura, Anomoeneis, Caloneis, Haslea, Lyrella, Navicula, Navicula, Naviculoideae, Orthoneis, Trachyneis
Subtaxa: none
Ecology: "photoautotroph"
Distribution: there are no occurrences of Pleurosigmoideae in the database