Bacillariophyceae vs Diatomophyceae

Bacillariophyceae and Diatomophyceae both are nouns.

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

As nouns, Bacillariophyceae and Diatomophyceae are synonyms defined as:

Bacillariophyceae and Diatomophyceae: marine and freshwater eukaryotic algae: diatoms

Other synonyms of Bacillariophyceae include class Bacillariophyceae, class Diatomophyceae.

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