marginocephalian vs suborder Marginocephalia

marginocephalian and suborder Marginocephalia both are nouns.

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

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

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

Other synonyms of marginocephalian include Marginocephalia.

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