Achnanthes longipes f. elliptica Foged, 1984 (original description)
Amphora acuta var. minor Foged, 1984 (original description)
Caloneis latiuscula f. minor Foged, 1984 (original description)
Caloneis oregonica f. elliptica Foged, 1984 (original description)
Caloneis schumanniana var. tripunctata Foged, 1984 (original description)
Diploneis crabro f. cubaensis Foged, 1984 (original description)
Mastogloia corsicana var. constricta M. Moller ex Foged, 1984 (original description)
Mastogloia erythraea var. grunowii Foged, 1984 (original description)
Mastogloia fallax f. biloculis Foged, 1984 (original description)
Navicula barbara var. densestriata Foged, 1984 (original description)
Navicula digitoradiata var. cubaensis Foged, 1984 (original description)
Navicula disposita f. minor Foged, 1984 (original description)
Navicula fauta var. cubaensis Foged, 1984 (original description)
Protoraphis hustedtiana f. latior Foged, 1984 (original description)
Rhaphoneis amphiceros var. elegans Foged, 1984 (original description)
Stauroneis anceps f. robusta Foged, 1984 (original description)