Sphenodontidae is a family within the reptile group Rhynchocephalia, comprising taxa most closely related to the living tuatara (Sphenodon punctatus)....

the scope of the clade to be identical to Eilenodontinae. The family Sphenodontidae has been used to include the tuatara and its closest relatives within...

Madagascan big-headed turtles and American sideneck river turtles Family Sphenodontidae Family Agamidae – agamas Family Chamaeleonidae – chameleons Family Iguanidae...

1007/978-3-642-65495-4_4. ISBN 9783642654978. Uetz, Peter (2003-10-07). "Sphenodontidae". The EMBL reptile database. European Molecular Biology Laboratory,...

Animalia Phylum: Chordata Class: Reptilia Order: Rhynchocephalia Family: Sphenodontidae Genus: Sphenodon Gray, 1831 (conserved name) Species: S. punctatus Binomial...

their position within Sphenodontidae, as a taxonomic family cannot be within another family. Sources which use Sphenodontidae as a wide group of sphenodontians...

Sphenodontia. They are either considered a subgroup of Opisthodontia, or Sphenodontidae. They had deep jaws with broad, closely packed teeth with thick enamel...

Zealand. In the original description, it was found to be a member of Sphenodontidae, in some other subsequent analyses it was found to be a member of Opisthodontia...

Animalia Phylum: Chordata Class: Reptilia Order: Rhynchocephalia Family: Sphenodontidae Subfamily: Sphenodontinae Genus: †Navajosphenodon Simões, Kinney-Broderick...

Sapheosauridae, although in some analyses this group belongs to the family Sphenodontidae (which also contains the tuatara, the only living rhynchocephalian)...