class Diatomophyceae vs class Bacillariophyceae

class Diatomophyceae and class Bacillariophyceae both are nouns.

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

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

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

Other synonyms of class Diatomophyceae include Bacillariophyceae, Diatomophyceae.

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