– 1, AULACOSEIRALES
Aulacoseiraceae – 2
TRICERATIALES
Triceratiaceae – 1
CHAETOCEROTALES
Acanthocerataceae – 1
FRAGILARIOPHYCEAE
FRAGILARIALES
Fragilariaceae – 23 (28)
Diatomaceae – 5 (6)
TABELLARIALES
Tabellariaceae – 2
BACILLARIOPHYCEAE
EUNOTIALES
Eunotiaceae – 7
MASTOGLOIALES
Mastogloiaceae – 1
CYMBELLALES
Rhoicospheniaceae – 1
Anomoeoneidaceae – 1
Cymbellaceae – 19 (23)
Gomphonemataceae – 11 (15)
ACHNANTHALES
Achnanthaceae – 9 (10)
Cocconeidaceae – 5 (7)
NAVICULALES
Diadesmidaceae – 3
Neidiaceae – 3
Sellaphoraceae – 2 (3)
Pinnulariaceae – 10
Naviculaceae – 17 (18)
Pleurosigmataceae – 2
Stauroneidaceae – 6
THALASSIOPHYSALES
Catenulaceae – 5
BACILLARIALES
Bacillariaceae – 19 (20)
RHOPALODIALES
Rhopalodiaceae – 5 (7)
SURIRELLALES
Entomoneidaceae – 1
Surirellaceae – 9 (10)