Sphenodontidae
| Sphenodontidae Temporal range: Early Jurassic–Holocene,
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| Tuatara (Sphenodon punctatus) | |
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| Skeleton of Sphenofontis from the Late Jurassic of Germany | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Rhynchocephalia |
| Suborder: | Sphenodontia |
| Family: | Sphenodontidae Cope, 1870 (conserved name) |
| Type species | |
| Hatteria punctata Gray, 1842
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| Subgroups | |
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| Synonyms | |
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Sphenodontidae is a family within the reptile group Rhynchocephalia, comprising taxa most closely related to the living tuatara of the genus Sphenodon. The included taxa within Sphenodontidae have varied greatly between analyses, and the group has lacked a formal definition. Cynosphenodon from the Early Jurassic of Mexico has consistently been recovered as a close relative of the tuatara in most analyses.[2]
The following is a cladogram of Rhynchocephalia after Rauhut et al. (2012):[3]
| Sphenodontidae |
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References[]
- ^ Apesteguia RO, Rougier GW (2012). "A basal sphenodontian (Lepidosauria) from the Jurassic of Patagonia: new insights on the phylogeny and biogeography of Gondwanan rhynchocephalians". Zoological Journal of the Linnean Society. 166 (2): 342–360. doi:10.1111/j.1096-3642.2012.00837.x. [R. Benson/R. Benson]
- ^ Simões TR, Caldwell MW, Pierce SE (December 2020). "Sphenodontian phylogeny and the impact of model choice in Bayesian morphological clock estimates of divergence times and evolutionary rates". BMC Biology. 18 (1): 191. doi:10.1186/s12915-020-00901-5. PMC 7720557. PMID 33287835.
- ^ Rauhut OW, Heyng AM, López-Arbarello A, Hecker A (2012). "A new rhynchocephalian from the late jurassic of Germany with a dentition that is unique amongst tetrapods". PLOS ONE. 7 (10): e46839. Bibcode:2012PLoSO...746839R. doi:10.1371/journal.pone.0046839. PMC 3485277. PMID 23118861.
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Categories:
- Sphenodontia
- Taxa named by Edward Drinker Cope
- Reptile families
- Extant Early Jurassic first appearances
- Toarcian first appearances
- Toarcian taxonomic families
- Aalenian taxonomic families
- Bajocian taxonomic families
- Bathonian taxonomic families
- Callovian taxonomic families
- Oxfordian taxonomic families
- Kimmeridgian taxonomic families
- Tithonian taxonomic families
- Berriasian taxonomic families
- Valanginian taxonomic families
- Hauterivian taxonomic families
- Barremian taxonomic families
- Aptian taxonomic families
- Albian taxonomic families
- Cenomanian taxonomic families
- Turonian taxonomic families
- Coniacian taxonomic families
- Santonian taxonomic families
- Campanian taxonomic families
- Maastrichtian taxonomic families
- Danian taxonomic families
- Selandian taxonomic families
- Thanetian taxonomic families
- Ypresian taxonomic families
- Lutetian taxonomic families
- Bartonian taxonomic families
- Priabonian taxonomic families
- Rupelian taxonomic families
- Chattian taxonomic families
- Aquitanian taxonomic families
- Burdigalian taxonomic families
- Langhian taxonomic families
- Serravallian taxonomic families
- Tortonian taxonomic families
- Messinian taxonomic families
- Zanclean taxonomic families
- Piacenzian taxonomic families
- Gelasian taxonomic families
- Calabrian taxonomic families
- Ionian taxonomic families
- Tarantian taxonomic families
- Holocene taxonomic families
- Reptile stubs