subclass holocephali

English Thesaurus

1. chimaeras and extinct forms (noun.animal)

hypernym	:	class,
definition	:	(biology) a taxonomic group containing one or more orders (noun.group)

member holonym	:	holocephalan, holocephalian,
definition	:	fish with high compressed head and a body tapering off into a long tail (noun.animal)

member holonym	:	chimaeridae, family chimaeridae,
definition	:	a family of Holocephali (noun.animal)

member meronym	:	chondrichthyes, class chondrichthyes,
definition	:	cartilaginous fishes (noun.animal)