Diatomophyceae vs Bacillariophyceae

Diatomophyceae and Bacillariophyceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Diatomophyceae	Yes	No	No	No
Bacillariophyceae	Yes	No	No	No

As nouns, Diatomophyceae and Bacillariophyceae are synonyms defined as:

Diatomophyceae and Bacillariophyceae: marine and freshwater eukaryotic algae: diatoms

Other synonyms of Diatomophyceae include class Bacillariophyceae, class Diatomophyceae.

Diatomophyceae (noun)	Bacillariophyceae (noun)
marine and freshwater eukaryotic algae: diatoms	marine and freshwater eukaryotic algae: diatoms