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Definition of Sphenodon punctatum
1. Noun. Only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand.
Exact synonyms: Tuatara
Generic synonyms: Diapsid, Diapsid Reptile
Group relationships: Genus Sphenodon, Sphenodon
Generic synonyms: Diapsid, Diapsid Reptile
Group relationships: Genus Sphenodon, Sphenodon