Sphenodontia is an order of lizard-like reptiles that includes only one living genus, the tuatara (Sphenodon). Despite its current lack of diversity, the Sphenodontia at one time included a wide array of genera in several families, and represents a lineage stretching back to the Mesozoic Era. The Triassic is a geologic period that extends from about 251 ± 0. ... Image File history File linksMetadata Tuatera. ... For the experimental music band, see Tuatara (band). ... For other uses, see Scientific classification (disambiguation). ... For other uses, see Animal (disambiguation). ... Typical Classes See below Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates. ... Reptilia redirects here. ... Orders Sphenodontia Squamata Eosuchia Conservation status: Fossil The Lepidosauria are a subclass of reptiles comprising the orders : Squamata Sphenodontia or Rhynchocephalia Eosuchia Conservation status: Fossil Lepidosaurians are the most successful of modern reptiles. ... For the experimental music band, see Tuatara (band). ... The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. ...
Taxonomy
Sphenodontia, once a wastebin taxon containing a diverse array of unrelated reptiles (notably the rhynchosaurs), today consists of three families: the possibly paraphyleticGephyrosauridae, the Pleurosauridae, and the Sphenodontidae. Sphenodontidae is the family which contains all modern tuatara, as well as a number of extinct subfamilies. Genera Mesosuchus Howesia Stenaulorhynchys Rhynchosaurus Otischalia Isalorhynchus Hyperodepedon Rhynchosaurs were a group of unusual Triassic diapsid reptiles related to the archosaurs. ... Paraphyletic - Wikipedia /**/ @import /skins-1. ...
Classification
Classification follows Wu (1994), Evans et al. (2001), and Apesteguia & Novas (2003) [1].
Sphenodontia is an order of lizard-like reptiles that includes only one living genus, the tuatara (Sphenodon).
Despite its current lack of diversity, the Sphenodontia at one time included a wide array of genera in several families, and represents a lineage stretching back to the Mesozoic Era.
Sphenodontia, once a wastebin taxon containing a diverse array of unrelated reptiles (notably the rhynchosaurs), today consists of three families--The possibly paraphyletic Gephyrosauridae, the Pleurosauridae, and the Sphenodontidae.
on Sphenodontia has shown that this group has undergone a variety of changes throughout the Mesozoic.
"Late Triassic-Early Jurassic sphenodontians from China and the phylogeny of the Sphenodontia" in Nicholas Fraser and Hans-Dieter Sues (eds) In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods.
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