Sphenodontidae

Sphenodontids; Temporal range: Early Jurassic - Holocene, 176–0 Ma PreЄ Є O S D C P T J K Pg N
	Tuatara (Sphenodon punctatus)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Rhynchocephalia
Suborder:	Sphenodontia
Family:	Sphenodontidae; Cope, 1870 (conserved name)
Type species
	Hatteria punctata; Gray, 1842
Subgroups
	<templatestyles src="Noitalic/styles.css"/>†Cynosphenodon; <templatestyles src="Noitalic/styles.css"/>†Oenosaurus; Sphenodon; <templatestyles src="Noitalic/styles.css"/>†Zapatadon;
Synonyms
	Hatteriidae; Cope, 1864 (rejected name); Rhynchocephalidae; Hoffmann, 1881 (rejected name);

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Sphenodontidae is a family within the group Sphenodontia.

The following is a cladogram of Rhynchocephalia after Farke et al., 2012.^[1]

Sphenodontidae

Sphenodon (Tuatara)

References

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Sphenodontids Temporal range: Early Jurassic - Holocene, 176–0 Ma PreЄ Є O S D C P T J K Pg N

Tuatara (Sphenodon punctatus)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Rhynchocephalia
Suborder:	Sphenodontia
Family:	Sphenodontidae Cope, 1870 (conserved name)
Type species
Hatteria punctata Gray, 1842
Subgroups
<templatestyles src="Noitalic/styles.css"/>†Cynosphenodon <templatestyles src="Noitalic/styles.css"/>†Oenosaurus Sphenodon <templatestyles src="Noitalic/styles.css"/>†Zapatadon
Synonyms
Hatteriidae Cope, 1864 (rejected name) Rhynchocephalidae Hoffmann, 1881 (rejected name)