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Related to sphenodon: Rhynchocephalia


 (sfē′nə-dŏn′, sfĕn′ə-)

[New Latin Sphēnodōn, genus name : spheno- + -odon.]


(Animals) the technical name for the tuatara
[C19: from Greek sphēn a wedge + odōn a tooth]


(ˌtu əˈtɑr ə)

also tu•a•te•ra

(-ˈtɛər ə)

n., pl. -ras.
a large lizardlike reptile, Sphenodon punctatus, of New Zealand: the only surviving rhynchocephalian.
[1810–20;< Maori, =tua dorsal + tara spine]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sphenodon - coextensive with the order Rhynchocephalia: tuatarasSphenodon - coextensive with the order Rhynchocephalia: tuataras
reptile genus - a genus of reptiles
order Rhynchocephalia, Rhynchocephalia - tuataras; extinct forms from middle Triassic
Sphenodon punctatum, tuatara - only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
References in periodicals archive ?
In reptiles, an intromittent or copulatory organ is observed in all living species, with the exception of Sphenodon sp.
The Zoology Department is sending over all sorts of wacky things preserved in glass bottles, like the Tasmanian Devil, or sphenodon.