Cymbella inaequalis var. gastroides (Kützing) Rabenhorst, 1847 accepted as
Frustulia gastroides Kützing, 1833 (new combination reference)
Diatoma cuneatum var. gracile Rabenhorst, 1847 (original description)
Diatoma variabile Rabenhorst, 1847 (original description)
Diatoma variabile var. cuneatum Rabenhorst, 1847 (original description)
Diatoma variabile var. intermedium Rabenhorst, 1847 (original description)
Diatoma variabile var. moniliforme Rabenhorst, 1847 (original description)
Eunotia gibba var. contracta Rabenhorst, 1847 (original description)
Eunotia gibba var. ventricosa (Kützing) Rabenhorst, 1847 accepted as
Epithemia ventricosa Kützing, 1844 (new combination reference)
Eunotia vergatus (Kützing) Rabenhorst, 1847 (new combination reference)
Eunotia westermanni var. musculus (Kützing) G.L.Rabenhorst, 1847 accepted as
Epithemia musculus Kützing, 1844 (new combination reference)
Eunotia westermanni var. sorex (Kützing) G.L.Rabenhorst, 1847 accepted as
Epithemia sorex Kützing, 1844 (new combination reference)
Gomphonema curvatum var. clavatum (Agardh) Rabenhorst, 1847 accepted as
Gomphonema clavatum Agardh (new combination reference)
Himantidium pectinale var. minus (Kützing) Rabenhorst, 1847 accepted as
Himantidium minus Kützing, 1844 (new combination reference)
Hyalosira oblonga Rabenhorst, 1847 (original description)
Licmophora adriatica Rabenhorst, 1847 (original description)
Micromega corniculatum var. penicillatum (Agardh) Rabenhorst, 1847 (new combination reference)
Micromega ramosissimum var. contortum Rabenhorst, 1847 (original description)
Micromega ramosissimum var. ramulosum Rabenhorst, 1847 (original description)
Micromega ramosissimum var. setaceum (Kützing) Rabenhorst, 1847 accepted as
Micromega setaceum var. setaceum Kützing, 1844 (new combination reference)
Micromega ramulosum Rabenhorst, 1847 (original description)
Navicula amphisbaena var. sphaerophora (Kützing) Rabenhorst, 1847 accepted as
Navicula sphaerophora f. sphaerophora Kützing, 1844 (new combination reference)
Navicula gracilis var. radiosa (Kützing) Rabenhorst, 1847 accepted as
Navicula radiosa f. radiosa Kützing, 1844 (new combination reference)
Navicula gracilis var. vulpina (Kützing) Rabenhorst, 1847 accepted as
Navicula vulpina var. vulpina Kützing, 1844 (new combination reference)
Navicula nodosa var. limosa (Kützing) Rabenhorst, 1847 accepted as
Navicula limosa f. limosa Kützing, 1844 (new combination reference)
Schizonema cuprinum Rabenhorst, 1847 (original description)
Schizonema rutilans var. lutescens (Kützing) Rabenhorst, 1847 accepted as
Schizonema lutescens Kützing, 1844 (new combination reference)
Schizonema sericeum Suhr ex Rabenhorst, 1847 (original description)
Synedra gallionii var. crystallina (Agardh) Rabenhorst, 1847 accepted as
Diatoma crystallinum C.A. Agardh, 1824 (new combination reference)
Synedra incisa Rabenhorst, 1847 (original description)
Synedra ulna var. tergestina (Kützing) Rabenhorst, 1847 accepted as
Synedra tergestina Kützing, 1844 (new combination reference)
Tabellaria flocculosa var. fenestrata (Lyngbye) Rabenhorst, 1847 accepted as
Diatoma fenestratum Lyngbye, 1819 (new combination reference)