Bacillariophyceae 珪藻綱

Order（目）	Family（科）
Acnanthales	Achnanthaceae Cocconeidaceae
Bacillariales	Bacillariaceae
Cyclophorales	Entophylaceae
Cymbellales	Cymbellaceae Gomophonemataceae Rhoicospheniaceae
Eunotiales	Eunotiaceae
Mastogloiales	Mastogloiaceae
Naviculales	Diploneidaceae Naviculaceae Pinnulariaceae Pleurosigmataceae Stauroneidaceae
Rhabdonematales	Rhabdonemataceae
Rhaponeidales	Rhaphoneidaceae
Rhizosoleniales	Pyxillaceae
Rhopalodiales	Rhopalodiaceae
Striatellales	Striatellaceae
Surirellales	Surirellaceae
Thalassionematales	Thalassionemataceae
Thalassiophysales	Catenulaceae
Order indet. （目未定）

Japan Paleobiology Database