Navicula subrotundata

Navicula subrotundataHustedt

OF Sellaphora subrotundata(Hust.) Wetzel, Ector Van De Vijver, Compère & D.G.Mann. Mann

1945 AH40:917 pl.41 Figs30-33 KLB86 p.204 f.73(16-20 21-22?) Compère 75 Tchad