class Bacillariophyceae vs class Diatomophyceae

class Bacillariophyceae and class Diatomophyceae both are nouns.

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

As nouns, class Bacillariophyceae and class Diatomophyceae are synonyms defined as:

class Bacillariophyceae and class Diatomophyceae: marine and freshwater eukaryotic algae: diatoms

Other synonyms of class Bacillariophyceae include Bacillariophyceae, Diatomophyceae.

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