Climacosphenia elongata Peragallo & Peragallo, 1901 (original description)
Diatoma tenue var. ehrenbergii (Kützing) Peragallo & Peragallo, 1901 accepted as
Diatoma ehrenbergii Kützing, 1844 (new combination reference)
Dimeregramma costatum Peragallo & Peragallo, 1901 (original description)
Dimeregramma dubium (Grunow) Grunow in Van Heurck, 1881 (new combination reference)
Dimeregramma lanceolatum H.Peragallo & M.Peragallo, 1901 (original description)
Ditylum brightwellii var. brightwellii Peragallo & Peragallo, 1901 (original description)
Glyphodesmis lanceolata Peragallo & Peragallo, 1901 (original description)
Grammatophora marina var. gibba (Ehrenberg) Peragallo & Peragallo, 1901 accepted as
Grammatophora gibba Ehrenberg, 1843 (new combination reference)
Grammatophora marina var. undulata (Ehrenberg) Peragallo & Peragallo, 1901 accepted as
Grammatophora undulata var. undulata Ehrenberg, 1840 (new combination reference)
Grammatophora oceanica f. communis (Grunow) Peragallo & Peragallo, 1901 accepted as
Grammatophora oceanica var. communis Grunow, 1881 (new combination reference)
Grammatophora oceanica f. minuscula Peragallo & Peragallo, 1901 (original description)
Grammatophora oceanica f. vulgaris (Grunow) Peragallo & Peragallo, 1901 accepted as
Grammatophora oceanica var. vulgaris Grunow, 1881 (new combination reference)
Grammatophora oceanica var. adriatica (Grunow) Cleve-Euler, 1953 accepted as
Grammatophora adriatica var. adriatica Grunow, 1881 (new combination reference)
Grammatophora serpentina f. major Peragallo & Peragallo, 1901 (original description)
Grammatophora serpentina f. minima Peragallo & Peragallo, 1901 (original description)
Grammatophora serpentina f. minor Peragallo & Peragallo, 1901 (original description)
Grammatophora serpentina var. elongata Peragallo & Peragallo, 1901 (original description)
Grunoviella parva (Grunow) Peragallo & Peragallo, 1897 accepted as
Sceptroneis marina var. parva Grunow, 1881 (new combination reference)
Grunoviella perminuta (Grunow) Peragallo & Peragallo, 1897 accepted as
Sceptroneis marina var. perminuta Grunow, 1881 (new combination reference)
Licmophora flabellata var. splendida (Greville; W. Smith) Peragallo & Peragallo, 1901 accepted as
Licmophora splendens Greville, 1833 (new combination reference)
Licmophora gracilis var. anglica (Kützing) H.Peragallo & M.Peragallo, 1901 accepted as
Rhipidophora anglica Kützing, 1844 (new combination reference)
Licmophora gracilis var. minor (Kützing) Peragallo & Peragallo, 1901 accepted as
Podosphenia gracilis var. minor Kützing, 1844 (new combination reference)
Licmophora juergensii var. elongata Peragallo & Peragallo, 1901 (original description)
Licmophora juergensii var. oedipus (Kützing) Peragallo & Peragallo, 1901 accepted as
Rhipidophora oedipus Kützing, 1844 (new combination reference)
Licmophora robusta H.Peragallo & M.Peragallo, 1901 (original description)
Odontidium maximum (Grunow) Peragallo & Peragallo, 1901 accepted as
Odontidium anomalum var. maximum Grunow, 1862 (new combination reference)
Plagiogramma adriaticum (Grunow in Van Heurck) Peragallo & Peragallo, 1901 accepted as
Plagiogramma interruptum var. adriatica Grunow in Van Heurck, 1881 (new combination reference)
Plagiogramma pulchellum var. pygmaea (Greville) Peragallo & Peragallo, 1901 accepted as
Plagiogramma pygmaeum var. pygmaeum Greville, 1859 (new combination reference)
Rhaphoneis amphiceros f. gemmifera (Ehrenberg) Peragallo & Peragallo, 1901 accepted as
Rhaphoneis gemmifera f. gemmifera Ehrenberg, 1844 (new combination reference)
Rhaphoneis amphiceros var. elongata Peragallo & Peragallo, 1901 (original description)
Rhaphoneis nitida f. major Peragallo & Peragallo, 1901 (original description)
Rhaphoneis nitida var. liburnica (Grunow) Peragallo & Peragallo, 1901 accepted as
Rhaphoneis liburnica Grunow, 1862 (new combination reference)
Smithiella marina (W.Smith) H.Peragallo & M.Peragallo, 1901 accepted as
Himantidium marinum W.Smith, 1857 (new combination reference)
Terpsinoë trifoliata (Cleve) Peragallo & Peragallo, 1901 accepted as
Hydrosera trifoliata Cleve, 1881 (new combination reference)
Thalassionema nitzschioides var. javanica (Grunow in Van Heurck) Peragallo & Peragallo, 1901 accepted as
Thalassiothrix nitzschioides var. javanica Grunow in Van Heurck, 1881 (new combination reference)
Thalassionema nitzschioides var. lanceolata (Grunow in Van Heurck) Peragallo & Peragallo, 1901 accepted as
Thalassiothrix nitzschioides var. lanceolata Grunow in Van Heurck, 1881 (new combination reference)