noun
coextensive with the order Rhynchocephalia: tuataras
• Syn: ↑Sphenodon
• Hypernyms: ↑reptile genus
• Member Holonyms: ↑Rhynchocephalia, ↑order Rhynchocephalia
• Member Meronyms: ↑tuatara, ↑Sphenodon punctatum
Useful english dictionary. 2012.