Amphiprora karstenii Mereschkowsky, 1903 (original description)
Amphora acutiuscula var. parvula Mereschkowsky, 1902-1903 (original description)
Amphora cymbellula Mereschkowsky, 1902-1903 (original description)
Amphora heterostriata Mereschkowsky, 1903 (original description)
Amphora lingulata Mereschkowsky, 1902-1903 (original description)
Amphora ovalis var. rostrata Mereschkowsky, 1903 (original description)
Amphora polycocca Mereschkowsky, 1902-1903 (original description)
Amphora rostrata van Heurck, 1896 (original description)
Amphora subelliptica Mereschkowsky, 1902-1903 (original description)
Amphoropsis spicula (Mereschkowsky) Mereschkowsky, 1903 accepted as
Auricula spicula Mereschkowsky, 1902 (new combination reference)
Amphoropsis stauroneis var. elegans Mereschkowsky, 1903 (original description)
Amphoropsis stauroneis var. gracilis (Mereschkowsky) Mereschkowsky, 1903 accepted as
Auricula stauroneis var. gracilis Mereschkowsky, 1902 (new combination reference)
Ardissonea fulgens var. mediterranea (Grunow) Mereschkowsky, 1903 accepted as
Synedra fulgens var. mediterranea Grunow in Van Heurck, 1881 (new combination reference)
Auricula gobii Mereschkowsky, 1903 (original description)
Caloneis permagna var. lacustris Mereschkowaky, 1902-1903 (original description)
Clevia clavata (Gregory) Mereschkowsky, 1903 accepted as
Navicula clavata f. clavata Gregory, 1856 (new combination reference)
Clevia clavata var. caribaea (Cleve) Mereschkowsky, 1903 accepted as
Navicula caribaea Cleve in A. Schmidt et al., 1874 accepted as
Lyrella clavata var. caribea (Cleve) Siqueiros Beltrones in Siqueiros Beltrones et al., 2020 (new combination reference)
Clevia granulata (Bailey) Mereschkowsky, 1902-1903 accepted as
Navicula granulata Bailey, 1854 (new combination reference)
Clevia hennedyi (W. Smith) Mereschkowsky, 1902-1903 accepted as
Navicula hennedyii f. hennedyii W. Smith, 1856 (new combination reference)
Clevia humerosa (Brebisson ex Wm. Smith) Mereschkowsky, 1902 accepted as
Navicula humerosa f. humerosa Brébisson ex W. Smith, 1856 (new combination reference)
Clevia lyra (Ehrenberg) Mereschkowsky, 1902 accepted as
Navicula lyra f. lyra Ehrenberg, 1843 (new combination reference)
Cocconeis dirupta var. sigmatissima Mereschkowsky, 1902-1903 (original description)
Cymbamphora cymbellula Mereschkowsky, 1903 (original description)
Cymbophora cymbellula Mereschkowsky, 1902-1903 (original description)
Fragilaria capucina var. californica Mereschkowsky, 1902-1903 (original description)
Fragilaria coccochromatica var. dicephala Mereschkowsky, 1902-1903 (original description)
Fragilaria vitrea var. arcuata Mereschkowsky, 1903 (original description)
Gyrosigma balticum var. sulcata Mereschkowsky, 1902-1903 (original description)
Libellus cruciatus Mereschkowsky, 1903 (original description)
Libellus libellus (Gregory) Mereschkowsky, 1903 accepted as
Navicula libellus Gregory, 1857 (new combination reference)
Libellus lobuliferus Mereschkowsky, 1902-1903 (original description)
Libellus parvulus Mereschkowsky, 1903 (original description)
Libellus reticulatus (Mereschkowsky) Mereschkowsky, 1903 accepted as
Navicula reticulata Grunow, 1867 (new combination reference)
Navicula cancellata var. interrupta Mereschkowsky, 1903 (original description)
Navicula cuspidata var. maxima Mereschkowsky, 1903 (original description)
Navicula oblita Mereschkowsky, 1902 (original description)
Navicula woroninii Mereschkowsky, 1903 (original description)
Neidium constrictum Mereschkowsky, 1903 (original description)
Nitzschia fenestrata Mereschkowsky, 1902-1903 (original description)
Nitzschia tetraplacata Mereschkowsky, 1902-1903 (original description)
Nitzschiella biplacata var. californica Mereschkowsky, 1902-1903 (original description)
Striatella gibberula Mereschkowsky, 1902-1903 (original description)
Striatella placochromatica Mereschkowsky, 1902-1903 (original description)
Synedra philippinarum var. gallica Mereschkowsky, 1903 (original description)
Tetramphora lineolata (Ehrenberg) Mereschkowsky, 1903 accepted as
Amphora lineolata f. lineolata Ehrenberg, 1854 (new combination reference)
Tetramphora ostrearia (Brébisson) Merschkowsky, 1903 accepted as
Amphora ostrearia var. ostrearia Brébisson ex Kützing, 1849 (new combination reference)
Tropidoneis angusta Mereschkowsky, 1902-1903 (original description)
Tropidoneis clevei Mereschkowsky, 1903 (original description)
Tropidoneis tetraplasta Mereschkowsky, 1902-1903 (original description)