class Hirudinea vs Hirudinea

class Hirudinea and Hirudinea both are nouns.

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

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

class Hirudinea and Hirudinea: hermaphroditic aquatic or terrestrial or parasitic annelids

class Hirudinea (noun)	Hirudinea (noun)
hermaphroditic aquatic or terrestrial or parasitic annelids	hermaphroditic aquatic or terrestrial or parasitic annelids