noun
tuataras; extinct forms from middle Triassic
• Syn: ↑order Rhynchocephalia
• Hypernyms: ↑animal order
• Member Holonyms: ↑Lepidosauria, ↑subclass Lepidosauria
• Member Meronyms: ↑Sphenodon, ↑genus Sphenodon
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Rhynchocephalia /-si-fāˈli-ə/ plural noun
(Gr kephalē head) a primitive order of reptiles extinct except for the New Zealand tuatara
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Main Entry: ↑rhyncho-
Useful english dictionary. 2012.