glass sponge vs poriferan

glass sponge and poriferan both are nouns.

Word	Noun	Adjective	Verb	Adverb
glass sponge	Yes	No	No	No
poriferan	Yes	No	No	No

As nouns, poriferan is a hypernym of glass sponge; that is, poriferan is a word with a broader meaning than glass sponge:

glass sponge: a siliceous sponge (with glassy spicules) of the class Hyalospongiae
poriferan: primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies

Other hypernyms of glass sponge include parazoan, sponge.

glass sponge (noun)	poriferan (noun)
a siliceous sponge (with glassy spicules) of the class Hyalospongiae	primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies