- Lyrella abrupta (Gregory) D.G.Mann, 1990 accepted as Navicula lyra var. abrupta Gregory, 1857
- Lyrella hennedyi (W.Smith) Stickle & D.G.Mann, 1990 accepted as Navicula hennedyii f. hennedyii W. Smith, 1856
- Lyrella lyra (Ehrenberg) Karajeva, 1978 (uncertain > unassessed)
- Petroneis granulata (Bailey) D.G.Mann, 1990 accepted as Navicula granulata Bailey, 1854
- Petroneis humerosa (Brébisson ex W.Smith) A.J.Stickle & D.G.Mann, 1990 accepted as Navicula humerosa f. humerosa Brébisson ex W. Smith, 1856
- Petroneis latissima (Gregory) A.J.Stickle & D.G.Mann, 1990 accepted as Navicula latissima f. latissima Gregory, 1856
- Petroneis marina (Ralfs) D.G.Mann, 1990 accepted as Navicula marina var. marina Ralfs in Pritchard, 1861