Achnanthes arctica (Cleve) A.Cleve, 1915 accepted as Achnanthes brevipes var. arctica (P. T. Cleve) T. Ko-Bayashi, 1965 accepted as Achnanthidium arcticum Cleve, 1873 (new combination reference)
Achnanthes lanceolata var. crassa Cleve-Euler, 1915 (original description)
Achnanthes latissima Cleve-Euler, 1915 (original description)
Achnanthes rhynchocephala Cleve-Euler, 1915 (original description)
Achnanthes septata var. septata Cleve-Euler, 1915 (original description)
Amphiprora aboensis Cleve-Euler, 1915 (original description)
Amphora impressa A. Cleve, 1915 (original description)
Amphora lindbergii Cleve-Euler, 1915 (original description)
Amphora marina var. minima Cleve-Euler, 1915 (original description)
Amphora mexicana var. major (Cleve) A. Cleve, 1915 accepted as Amphora arenicola var. major Cleve, 1895 (new combination reference)
Amphora polaris sensu Cleve-Euler, 1915 (original description)
Amphora proteus var. impressa Cleve-Euler, 1915 accepted as Amphora impressa A. Cleve, 1915 (original description)
Amphora proteus var. laevistriata Cleve-Euler, 1915 (original description)
Amphora proteus var. tenuissima Cleve-Euler, 1915 (original description)
Amphora robusta var. brevistriata Cleve-Euler, 1915 (original description)
Caloneis fossilis var. fossilis Cleve-Euler, 1915 (original description)
Caloneis furcata Cleve-Euler, 1915 (original description)
Caloneis liber var. transitans Cleve-Euler, 1915 (original description)
Campylodiscus angularis f. striata Cleve-Euler, 1915 (original description)
Chaetoceros amanita Cleve-Euler, 1915 (original description)
Cocconeis entomon Cleve-Euler, 1915 (original description)
Cocconeis molesta var. lindbergii Cleve-Euler, 1915 (original description)
Cocconeis oestrupii Cleve-Euler, 1915 (original description)
Cocconeis pulchella Cleve-Euler, 1915 (original description)
Cocconeis speciosa var. cruciata Cleve-Euler, 1915 (original description)
Coscinodiscus subtilis f. major Cleve-Euler, 1915 (original description)
Cyclotella abnormis Cleve-Euler, 1915 (original description)
Cyclotella comta var. spectabilis Cleve-Euler, 1915 (original description)
Cyclotella kuetzingiana var. abnormis Cleve-Euler, 1915 (original description)
Cymbella fennica Cleve-Euler, 1915 (original description)
Cymbella hyalina Cleve-Euler, 1915 (original description)
Cymbella lanceolata f. inflata Cleve-Euler, 1915 (original description)
Cymbella lanceolata var. ventricosa Cleve-Euler, 1915 (original description)
Cymbella recta Cleve-Euler, 1915 (original description)
Diploneis boldtiana var. robusta Cleve-Euler, 1915 (original description)
Diploneis chersonensis var. diminuta Cleve-Euler, 1915 (original description)
Diploneis decipiens A.Cleve, 1915 (original description)
Diploneis decipiens var. parallela A.Cleve, 1915 (original description)
Diploneis entomon f. dinodosa Cleve-Euler, 1915 (original description)
Diploneis littoralis f. hybrida Cleve-Euler, 1915 (original description)
Diploneis major var. cuneata Cleve-Euler, 1915 (original description)
Diploneis smithii var. permagna Cleve-Euler, 1915 (original description)
Diploneis smithii var. rhombica Cleve-Euler, 1915 † (original description)
Grammatophora arcuata sensu Cleve-Euler, 1915 (original description)
Grammatophora hyalina Cleve-Euler, 1915 (original description)
Grammatophora sagitta Cleve-Euler, 1915 (original description)
Mastogloia elliptica f. major Cleve-Euler, 1915 (original description)
Mastogloia exigua var. rostellata Cleve-Euler, 1915 (original description)
Melosira italica f. laevis (Ehrenberg) Cleve-Euler, 1915 accepted as Gaillonella laevis Ehrenberg, 1854 (new combination reference)
Navicula ammophila var. oestrupii Cleve-Euler, 1915 (original description)
Navicula angulosa sensu Cleve-Euler, 1915 (original description)
Navicula bahusiensis sensu Cleve-Euler, 1915 (original description)
Navicula cancellata var. subapiculata sensu Cleve-Euler, 1915 (original description)
Navicula crucicula var. minor Cleve-Euler, 1915 (original description)
Navicula grevillei var. apiculata (Greville) Cleve-Euler, 1915 accepted as Gloionema apiculatum Greville (new combination reference)
Navicula hennedyi var. luxuosa Cleve-Euler, 1915 (original description)
Navicula huei var. densestriata Cleve-Euler, 1915 (original description)
Navicula klavsenii var. turgida Cleve-Euler, 1915 (original description)
Navicula problematica Cleve-Euler, 1915 (original description)
Navicula pygmaea var. linearis Cleve-Euler, 1915 (original description)
Navicula truncata Cleve-Euler, 1915 (original description)
Nitzschia hybrida var. pellucida sensu Cleve-Euler, 1915 (original description)
Pinnularia brevicostata var. subcapitata Cleve-Euler, 1915 (original description)
Pinnularia clipeata Cleve-Euler, 1915 (original description)
Pinnularia cuneata f. constricta Cleve-Euler, 1915 (original description)
Pinnularia cuneata f. cuneata (Østrup) Cleve-Euler, 1915 accepted as Pinnularia flexuosa var. cuneata Østrup, 1910 (new combination reference)
Pinnularia divergens var. truncata Cleve-Euler, 1915 (original description)
Pinnularia esox sensu Cleve-Euler, 1915 (original description)
Pinnularia hybrida f. acuminata Cleve-Euler, 1915 (original description)
Pinnularia hybrida f. hybrida (M. Peragallo & Héribaud in Héribaud) Cleve-Euler, 1915 accepted as Navicula hybrida M. Peragallo & Héribaud in Héribaud, 1893 (new combination reference)
Pinnularia interrupta var. amphirhynchus Cleve-Euler, 1915 (original description)
Pinnularia legumen f. interrupta Cleve-Euler, 1915 (original description)
Pinnularia legumen f. longa Cleve-Euler, 1915 (original description)
Pinnularia nodosa f. capitata Cleve, 1895 (original description)
Pinnularia viridis var. producta Cleve-Euler, 1915 (original description)
Rhabdonema arcuatum var. maxima Cleve-Euler, 1915 (original description)
Rhabdonema oestrupii Cleve-Euler, 1915 (original description)
Rhizosolenia longiseta f. levanderi Cleve-Euler, 1915 (original description)
Rhoicosphenia fossilis Cleve-Euler, 1915 (original description)
Scoliotropis septentrionalis Cleve-Euler, 1915 (original description)
Stephanodiscus niagarae Cleve-Euler, 1915 (original description)
Surirella distinguenda Cleve-Euler, 1915 (original description)
Surirella fossilis Cleve-Euler, 1915 (original description)
Surirella laevis Cleve-Euler, 1915 (original description)
Surirella lindbergii Cleve-Euler, 1915 (original description)
Surirella nana f. nana Cleve-Euler, 1915 (original description)
Surirella robusta var. marginata Cleve-Euler, 1915 (original description)
Surirella striatula var. densiplicata Cleve-Euler, 1915 (original description)