suborder Marginocephalia vs Marginocephalia

suborder Marginocephalia and Marginocephalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
suborder Marginocephalia	Yes	No	No	No
Marginocephalia	Yes	No	No	No

As nouns, suborder Marginocephalia and Marginocephalia are synonyms defined as:

suborder Marginocephalia and Marginocephalia: includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs

Other synonyms of suborder Marginocephalia include marginocephalian.

suborder Marginocephalia (noun)	Marginocephalia (noun)
includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs	includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs