Rhynchocephalia (/ˌrɪŋkoʊsɪˈfeɪliə/; lit. 'beak-heads') is an order of lizard-like reptiles that includes only one living species, the tuatara (Sphenodon...

resemblance to lizards, it is part of a distinct lineage, the order Rhynchocephalia. The name tuatara is derived from the Māori language and means "peaks...

members of the order Rhynchocephalia. The only surviving member of the Rhynchocephalia is the tuatara. Squamata and Rhynchocephalia form the subclass Lepidosauria...

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

subclass or superorder of reptiles, containing the orders Squamata and Rhynchocephalia. Squamata includes lizards and snakes. Squamata contains over 9,000...

This list of sequenced animal genomes contains animal species for which complete genome sequences have been assembled, annotated and published. Substantially...

Michael J.; Ruta, Marcello (May 2017). "Macroevolutionary patterns in Rhynchocephalia: Is the tuatara (Sphenodon punctatus) a living fossil?". Palaeontology...

Rhynchocephalia reported from the Allen Formation Genus Species Location Stratigraphic position Material Notes Images Lamarquesaurus L. cabazai Cerro...

(turtles), Crocodilia (crocodilians), Squamata (lizards and snakes), and Rhynchocephalia (the tuatara). As of May 2023, about 12,000 living species of reptiles...

America by the early Late Cretaceous. The cause of the decline of Rhynchocephalia remains unclear, but has often been suggested to be due to competition...