– 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)