Eukaryota  >  Bacillariophyta  >  Bacillariophyceae  >  Naviculales

Family	Genus	Species
Amphipleuraceae	9	134
Berkeleyaceae	2	21
Naviculaceae	11	217
Nupelaceae	1	3
Plagiotropidaceae	2	5
Pleurosigmataceae	9	42
Scoliotropidaceae	0	1
Stauroneidaceae	19	125