Climacosphenia moniligera var. hustedtii Sournia, 1968 (original description)
Coscinodiscus karstenii Sournia, 1968 (original description)
Isthmia japonica (Castracane) Sournia, 1968 accepted as
Isthmia enervis var. japonica Castracane, 1886 (new combination reference)
Licmosphenia mereschkowskyi Sournia, 1968 accepted as
Licmophora mereschkowskyi (Sournia, 1968) Lobban & Ashworth, 2015 (original description)
Rhizosolenia squamifera Sournia, 1968 (original description)
Schroederella delicatula f. schroederi (Bergon) Sournia, 1968 accepted as
Lauderia schroederi Bergon, 1902 (new combination reference)
Synedra hantzschiana Sournia, 1963 (original description)
Triceratium pelagicum (J.L.B.Schröder) Sournia, 1968 accepted as
Biddulphia pelagica J.L.B.Schröder, 1908 (new combination reference)