Triceratiales

Triceratiales is an order of diatoms.^[1]

Triceratiales
Fossil of Triceratium polycystinorum
Scientific classification
Domain:	Eukaryota
Clade:	Sar
Clade:	Stramenopiles
Phylum:	Ochrophyta
Clade:	Diatomeae
Class:	Bacillariophyceae
Subclass:	Coscinodiscophycidae
Superorder:	Biddulphianae
Order:	Triceratiales
Suborders
Plagiogrammaceae Triceratiaceae