Eukaryota  >  Bacillariophyta  >  Bacillariophyceae  >  Naviculales

Family	Genus	Species
Amphipleuraceae	4	116
Berkeleyaceae	4	33
Brachysiraceae	2	6
Diadesmidaceae	2	20
Diploneidaceae	1	49
Naviculaceae	23	289
Neidiaceae	2	66
Phaeodactylaceae	1	6
Pinnulariaceae	1	137
Plagiotropidaceae	3	8
Pleurosigmataceae	5	38
Proschkiniaceae	1	10
Scoliotropidaceae	2	7
Sellaphoraceae	3	58
Stauroneidaceae	8	64