Diploneis bombus (Ehrenberg) Ehrenberg, 1853 (uncertain > unassessed )
Diploneis crabro (Ehrenberg) Ehrenberg, 1854 accepted as Pinnularia crabro Ehrenberg, 1844
Diploneis didymus (Ehrenberg) Ehrenberg, 1839 accepted as Pinnularia didyma Ehrenberg, 1844
Diploneis elliptica (Kützing) Cleve, 1894
Diploneis interrupta (Kützing) Cleve, 1894 accepted as Navicula interrupta var. interrupta Kützing, 1844
Diploneis littoralis (Donkin) Cleve, 1894
Diploneis littoralis var. arctica
Diploneis littoralis var. clathrata (Ostr.) Cleve, 1896
Diploneis ovalis (Hilse) Cleve, 1891 accepted as Pinnularia ovalis Hilse, 1860
Diploneis smithii (Brébisson) Cleve, 1894 accepted as Navicula smithii f. smithii Brébisson in W. Smith, 1856