Source Data | |
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Rank | subfamily (PBDB) |
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Taxonomy (PBDB) | Life : Animalia : Chordata : Reptilia : Rhynchocephalia : Sphenodontidae : Sphenodontinae |
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Classification (PBDB,GBIF) | |
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Opinions (PBDB) | Name | Rank | Opinion | Evidence | Author |
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Sphenodontinae | subfamily | belongs to Sphenodontidae | stated with evidence | Kuhn, 1966 | Sphenodontinae | subfamily | belongs to Synapsida | stated without evidence | Gauthier et al., 1989 | Sphenodontinae | subfamily | belongs to Sphenodontidae | stated with evidence | Reynoso, 1996 | Sphenodontinae | subfamily | belongs to Rhynchocephalia | stated without evidence | Jones et al., 2009 |
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Status (PBDB) | extant |
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Taxon Size (PBDB) | 1 |
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Extant Size (PBDB) | 1 (100%) |
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First Recorded Appearance | 83.5 - 66.0 Ma Late/Upper Cretaceous |
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Environment | terrestrial (based on Diapsida) |
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Motility | actively mobile (based on Osteichthyes) |
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Taphonomy | phosphatic (based on Vertebrata) |
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Primary Reference (PBDB) | V.-H. Reynoso. 1996. A Middle Jurassic Sphenodon-like sphenodontian (Diapsida: Lepidosauria) from Huizachal Canyon, Tamaulipas, Mexico. Journal of Vertebrate Paleontology 16(2):210-221 |
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Reynoso V.-H. (1996) A Middle Jurassic Sphenodon-like sphenodontian (Diapsida: Lepidosauria) from Huizachal Canyon, Tamaulipas, Mexico, Journal of Vertebrate Paleontology 16 2, 210-221 |
Kuhn O. W. M. (1966) , Die Reptilien. System und Stammesgeschichte [The Reptiles. Systematics and Phylogeny.], 1-154 |
Gauthier J. A., Cannatella D., et al (1989) Tetrapod phylogeny, In B. Fernholm, K. Bremer, & H. Jörnvall (eds.), The Hierarchy of Life. Elsevier Science Publishers B. V., Amsterdam, 337-353 |
Jones M. E. H., Tennyson A. J. D., et al (2009) A sphenodontine (Rhynchocephalia) from the Miocene of New Zealand and palaeobiogeography of the tuatara (Sphenodon), Proceedings of the Royal Society B 276, 1385-1390 doi:10.1098/rspb.2008.1785 |
Apesteguia S., Jones M. E. H. (2012) A Late Cretaceous "tuatara" (Lepidosauria; Sphenodontinae) from South America, Cretaceous Research 34, 154-160 doi:10.1016/j.cretres.2011.10.014 |