Bacillariophyta (Diatoms) is a phylum of heterokont. There are 7129 species of Diatoms, in 547 genera and 92 families. It includes groups like Fragilariophyceae, Coscinodiscophyceae, and Mediophyceae. Dead Diatoms form siliceous oozes.
EOL has data for 23 attributes, including: