sarcodinian vs protozoan

sarcodinian and protozoan both are nouns.

Word	Noun	Adjective	Verb	Adverb
sarcodinian	Yes	No	No	No
protozoan	Yes	Yes	No	No

As nouns, protozoan is a hypernym of sarcodinian; that is, protozoan is a word with a broader meaning than sarcodinian:

sarcodinian: protozoa that move and capture food by forming pseudopods
protozoan: any of diverse minute acellular or unicellular organisms usually nonphotosynthetic

Other hypernyms of sarcodinian include protozoon.

sarcodinian (noun)	protozoan (noun)
protozoa that move and capture food by forming pseudopods	any of diverse minute acellular or unicellular organisms usually nonphotosynthetic

sarcodinian (adjective)	protozoan (adjective)
	of or relating to the Protozoa