class Coniferopsida vs class

class Coniferopsida and class both are nouns.

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

As nouns, class is a hypernym of class Coniferopsida; that is, class is a word with a broader meaning than class Coniferopsida:

class Coniferopsida: cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)
class: (biology) a taxonomic group containing one or more orders

class Coniferopsida (noun)	class (noun)
cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)	education imparted in a series of lessons or meetings
	elegance in dress or behavior
	a collection of things sharing a common attribute
	people having the same social, economic, or educational status
	(biology) a taxonomic group containing one or more orders
	a body of students who are taught together
	a body of students who graduate together
	a league ranked by quality

class Coniferopsida (verb)	class (verb)
	arrange or order by classes or categories