class Heterokontae vs Heterokontae

class Heterokontae and Heterokontae both are nouns.

Word	Noun	Adjective	Verb	Adverb
class Heterokontae	Yes	No	No	No
Heterokontae	Yes	No	No	No

As nouns, class Heterokontae and Heterokontae are synonyms defined as:

class Heterokontae and Heterokontae: all the yellow-green algae having flagella of unequal length

Other synonyms of class Heterokontae include Chrysophyceae, class Chrysophyceae.

class Heterokontae (noun)	Heterokontae (noun)
all the yellow-green algae having flagella of unequal length	all the yellow-green algae having flagella of unequal length