Meaning of ORDER OSTRACODERMI

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WordNet Dictionary
	Definition:		[n]  extinct group of armored jawless vertebrates; taxonomy is not clear
	Synonyms:		Ostracodermi
	See Also:		Agnatha, animal order, Cephalaspida, Heterostraci, Osteostraci, ostracoderm, suborder Cephalaspida, suborder Heterostraci, suborder Osteostraci, superclass Agnatha