• Dicladia Ehrenberg, 1844 † accepted as Chaetoceros Ehrenberg, 1844
• Dicladia antennata Ehrenberg † accepted as Rhizosolenia antennata (Ehrenberg) N.E. Brown, 1920
• Dicladia bulbosa Ehrenberg, 1844 † accepted as Chaetoceros bulbosus (Ehrenberg) Heiden, 1928
• Dicladia capreolus Ehrenberg, 1845 †
• Dicladia elliptica H.J. Schrader & Fenner, 1976 †
• Dicladia groenlandica Cleve, 1873 † accepted as Chaetoceros mitra (J.W. Bailey) Cleve, 1896
• Dicladia japonica Pantocsek †
• Dicladia mitra J.W. Bailey, 1856 † accepted as Chaetoceros mitra (J.W. Bailey) Cleve, 1896
• Dicladia norvegica Schrader, 1976 † accepted as Peripteropsis norvegica (Schrader) Suto, 2005 †
• Dicladia norwegica H.J. Schrader †
• Dicladia trinodis Hanna, 1927 † accepted as Peripteropsis trinodis (Hanna) Suto, 2005 †