Achnanthes thermalis (Rabenhorst) Schoenfeld, 1907 accepted as Achnanthidium thermale Rabenhorst, 1864 accepted as Crenotia thermalis (Rabenhorst) Wojtal (new combination reference)
Cocconeis exigua (Grunow) Schönfeldt, 1907 (new combination reference)
Cocconeis exilis (Kützing) Schonfeldt, 1907 (new combination reference)
Cocconeis hungarica (Grunow) Schönfeldt, 1907 accepted as Achnanthidium hungaricum Grunow, 1863 (new combination reference)
Cocconeis linearis (W.Smith) Schonfeldt, 1907 accepted as Achnanthidium lineare W.Smith, 1855 (new combination reference)
Cocconeis microcephala (Kützing) Schonfeldt, 1907 accepted as Achnanthidium microcephalum Kützing, 1844 (new combination reference)
Cocconeis minutissima (Kützing) Schönfeldt, 1907 accepted as Achnanthes minutissima var. minutissima Kützing, 1833 (new combination reference)
Cocconeis trinodis (Arnott ex Ralfs in Pritchard) Schonfeldt, 1907 (new combination reference)
Ctenophora pulchella var. fasciculata (Agardh ex specim., Kützing) Schonfeldt, 1907 (new combination reference)
Ctenophora pulchella var. lanceolata (O'Meara) L.Bukhtiyarova, 1995 accepted as Synedra pulchella f. lanceolata O'Meara, 1875 (new combination reference)
Ctenophora pulchella var. longissima (W.Smith) Schönfeldt, 1907 accepted as Synedra longissima var. longissima W. Smith, 1853 (new combination reference)
Ctenophora pulchella var. pulchella (Ralfs ex specim. Fide Kutzing) Schonfeldt, 1907 accepted as Exilaria pulchella Ralfs ex Kützing, 1844 (new combination reference)
Ctenophora pulchella var. saxonica (Kutzing; Rabenhorst) Schonfeldt, 1907 accepted as Synedra saxonica Kützing, 1844 (new combination reference)
Ctenophora pulchella var. smithii (Ralfs in Pritchard) Schonfeldt, 1907 accepted as Synedra smithii Ralfs, 1861 (new combination reference)
Ctenophora pulchella var. socialis (Rabenhorst) Schonfeldt, 1907 accepted as Synedra socialis Rabenhorst, 1853 (new combination reference)
Ctenophora pulchella var. subaequalis (Grunow) Schönfeldt, 1907 accepted as Synedra subaequalis f. subaequalis Grunow in Van Heurck, 1881 (new combination reference)
Denticula denticula (Grunow) Schonfeldt, 1907 accepted as Nitzschia denticula f. denticula Grunow in Cleve & Grunow, 1880 (new combination reference)
Denticula denticula var. delognei (Grunow) Schonfeldt, 1907 accepted as Nitzschia denticula var. delognei Grunow, 1881 (new combination reference)
Denticula tenuis var. acuta (Rabenhorst) Schonfeldt, 1907 accepted as Denticula acuta Rabenhorst, 1853 (new combination reference)
Denticula tenuis var. major (Rabenhorst) Schonfeldt, 1907 accepted as Denticula frigida f. major Rabenhorst, 1864 (new combination reference)
Diatoma anomalum (W. Sm.) Schönf., 1907 accepted as Odontidium anomalum f. anomalum W. Smith, 1855 (new combination reference)
Diatoma anomalum var. genuinum (Grunow) Schonfeldt, 1907 accepted as Odontidium anomalum var. genuina Grunow, 1862 (new combination reference)
Diatoma anomalum var. longissima (Grunow) Schonfeldt, 1907 accepted as Odontidium anomalum var. longissima Grunow, 1862 (new combination reference)
Diatoma hiemale var. diatomaceum (Grunow) Schonfeldt, 1907 accepted as Odontidium hiemale var. diatomacea Grunow, 1862 (new combination reference)
Diatoma hiemale var. genuinum (Grunow) Schonfeldt, 1907 accepted as Odontidium hiemale var. genuinum Grunow, 1862 (new combination reference)
Diatoma hiemale var. turgidulum (Ehrenberg) Schonfeldt, 1907 (new combination reference)
Epithemia constricta var. densissemistriata Rabenhorst ex Schonfelt, 1907 (original description)
Eunotia lunaris var. capitata (Grunow) Schonfeldt, 1907 accepted as Synedra lunaris var. capitata Grunow, 1862 (new combination reference)
Fragilaria capucina var. biconstricta (Rabenhorst) Schonfeldt, 1907 (new combination reference)
Fragilaria construens var. biceps (Strose) Schonfeldt, 1907 (new combination reference)
Gomphonema olivaceum var. tenellum sensu Schonfeldt, 1907 (original description)
Himantidium arcus var. minor (Grunow in Van Heurck) Schonfeldt, 1907 accepted as Eunotia arcus var. minor Grunow, 1881 (new combination reference)
Himantidium arcus var. uncinata Schonfeldt, 1907 (original description)
Himantidium sudetica (O.Müller) Schonfeldt, 1907 accepted as Eunotia sudetica Otto Müller, 1898 (new combination reference)
Melosira granulata f. punctata (Otto Müller) Schonfeldt, 1907 (new combination reference)
Melosira granulata var. mutabilis (Otto Müller) Schonfeldt, 1907 (new combination reference)
Melosira italica f. beta Schonfeldt, 1907 (original description)
Nitzschia closterium var. parva (Grunow in Van Heurck) Schonfeldt, 1907 (new combination reference)
Nitzschia palea var. dissipata (Kützing) Schonfeldt, 1907 accepted as Synedra dissipata var. dissipata Kützing, 1844 (new combination reference)
Pleurosigma angulatum var. thuringicum (Kützing) Schonfeldt, 1907 accepted as Navicula thuringica Kützing, 1844 (new combination reference)
Pleurostauron spicula (Cleve & Grunow in Grunow) Schönfeldt, 1907 accepted as Stauroneis spicula Cleve & Grunow, 1880 (new combination reference)
Pleurostaurum parvulum (Kuntze) Schöenfeldt, 1907 (new combination reference)
Surirella linearis var. tenella (Kützing) Schonfeldt, 1907 accepted as Surirella tenella var. tenella Kützing, 1849 (new combination reference)
Surirella linearis var. thuringiaca (Hantzsch ex Moller; Hantzsch in Schmidt et al.) Schonfeldt, 1907 accepted as Surirella thuringiaca Hantzsch ex Moller, 1868, 1881 (new combination reference)
Synedra pulchella var. longissima (W.Smith) Schönfeldt, 1907 accepted as Synedra longissima var. longissima W. Smith, 1853 (new combination reference)
Synedra pulchella var. subaequalis (Grunow) Schönfeldt, 1907 accepted as Synedra subaequalis f. subaequalis Grunow in Van Heurck, 1881 (new combination reference)