IRMNG Taxon list
Libellus bulnheimii (Grunow) P.T. Cleve, 1894 accepted as Proschkinia bulnheimii (Grunow) Karayeva, 1978
Libellus grevillei (C. Agardh) Cleve
Libellus groenlandica Østrup
Libellus observabilis Heiden & Kolbe
Libellus septentrionalis Østrup accepted as Navicula septentrionalis (Østrup) Cleve, 1896
Proschkinia bulnheimii (Grunow) Karayeva, 1978
Proschkinia complanata (Grunow) D.G. Mann, 1990
Proschkinia complanatoides (Hustedt ex Simonsen) D.G. Mann, 1990
Proschkinia complanatula (Hust ex Simonsen) Mann, 1990
Proschkinia hyalosirella (Hustedt ex Simonsen) D.G. Mann, 1990
Proschkinia longirostris (Hustedt) D.G. Mann, 1990
Proschkinia poretzkajae (Koretkevich) D.G. Mann, 1990
Proschkinia poretzkiae (Korotkevich) D.G. Mann