order rhynchocephalia

English Thesaurus

1. tuataras; extinct forms from middle Triassic (noun.animal)

hypernym	:	animal order,
definition	:	the order of animals (noun.animal)

member holonym	:	genus sphenodon, sphenodon,
definition	:	coextensive with the order Rhynchocephalia: tuataras (noun.animal)

member meronym	:	lepidosauria, subclass lepidosauria,
definition	:	diapsid reptiles: lizards; snakes; tuataras (noun.animal)