Fragilariopsis arcula (Gersonde) Gersonde & Barcena, 1998 accepted as
Nitzschia arcula Gersonde, 1991 (new combination reference)
Fragilariopsis aurica (Gersonde) Gersonde & Barcena, 1998 accepted as
Nitzschia aurica Gersonde, 1991 (new combination reference)
Fragilariopsis barronii (Gersonde) Gersonde & Barcena, 1998 accepted as
Nitzschia barronii Gersonde, 1991 (new combination reference)
Fragilariopsis interfrigidaria (McCollum) Gersonde & Barcena, 1998 (new combination reference)
Fragilariopsis lacrima (Gersonde) Gersonde & Barcena, 1998 accepted as
Nitzschia lacrima Gersonde, 1991 (new combination reference)
Fragilariopsis matuyamae Gersonde & Barcena, 1998 (original description)
Fragilariopsis matuyamae var. heteropola Gersonde & Barcena, 1998 (original description)
Fragilariopsis praecurta (Gersonde) Gersonde & Barcena, 1998 accepted as
Nitzschia praecurta Gersonde, 1991 (new combination reference)
Fragilariopsis praeinterfrigidaria (McCollum) Gersonde & Barcena, 1998 (new combination reference)
Fragilariopsis weaveri (Ciesielski) Gersonde & Barcena, 1998 accepted as
Nitzschia weaveri Ciesielski, 1983 (new combination reference)