Pariguana

Extinct genus of lizards

Pariguana
Temporal range: Late Cretaceous, 67 Ma
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Iguanidae
Genus: Pariguana
Longrich et al., 2012
Type species
Pariguana lancensis
Longrich et al., 2012

Pariguana (meaning "near Iguana" in Greek) is an extinct genus of iguanid lizard from the Late Cretaceous of western North America. It is known from a single type species, Pariguana lancensis, named in 2012 on the basis of a partial lower jaw from the Lance Formation in eastern Wyoming. This jaw bone comes from a layer dated approximately 650,000 years before the Cretaceous–Paleogene extinction event. Pariguana is the oldest definitive iguanid from North America, and may represent the first stage of the iguanian evolutionary radiation from Asia into North America.[1]

References

  1. ^ Longrich, Nicholas R.; Bhullar, Bhart-Anjan S.; Gauthier, Jacques A. (2012). "Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary". Proceedings of the National Academy of Sciences of the United States of America. 109 (52): 21396–401. Bibcode:2012PNAS..10921396L. doi:10.1073/pnas.1211526110. PMC 3535637. PMID 23236177.
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Extinct squamate genera
Acrodonta
Agamidae
Pleurodonta / Iguanoidea
Corytophanidae
Gobiguania
Iguanidae
Phrynosomatidae
Other extinct iguanians
Arretosauridae
  • Arretosaurus
  • Dornosaurus
  • Ergiliinsaurus
  • Khaichinguana
Priscagamidae
Armandisaurus explorator
Chamopsiidae
Gilmoreteiidae / "macrocephalosaurines"
"Polyglyphanodontines"
Other polyglyphanodontians
  • Adamisaurus
  • Funiusaurus
  • Gobinatus
  • Obamadon
  • Olindalacerta?
  • Paleochelco?
  • Peneteius
  • Tchingisaurus
  • Tianyusaurus
  • Tijubina?
  • Tripennaculus
Scincogekkonomorpha
Scleroglossa
Gekkonomorpha
Gekkota
Stem Autarchoglossa
(Evansauria)
  • Parmeosaurus
  • Tepexisaurus
  • Tijubina?
Bainguidae?
Cordyloidea
  • Eocordyla
  • Ornatocephalus
  • Sakurasaurus
Lacertoidea
Amphisbaenia
  • Oligodontosaurus
  • Todrasaurus
Amphisbaenidae
Bipedidae
Blanidae
  • Blanosaurus
  • Cuvieribaena
  • Louisamphisbaena
Chthonophidae
Rhineuridae
Polyodontobaenidae
  • Polyodontobaena
Contogeniidae
  • Contogenys
  • Palaeoscincosaurus
  • Utahgenys
Lacertidae
  • Amblyolacerta
  • Camptognathosaurus?
  • Dormaalisaurus
  • Dracaenosaurus
  • Escampcerta
  • Gracilicerta
  • Ligerosaurus
  • Maioricalacerta
  • Mediolacerta
  • Plesiolacerta
  • Pseudeumeces
  • Pseudolacerta
  • Quercycerta
Teiidae
Barbatteiidae
Xantusiidae
Scincoidea
Scincidae
Other scincomorphs
Paramacellodidae
Basal anguimorphs
Mosasauroidea?
Neoanguimorpha
Carusioidea
Xenosauridae
  • Entomophontes
  • Exostinus
  • Restes
Anguidae
Anguinae
Diploglossinae
  • Apodosauriscus
  • Eodiploglossus
Gerrhonotinae
  • Paragerrhonotus
  • Parophisaurus
Glyptosaurinae
Paleoanguimorpha
Basal varanoids / platynotans
Shinisauria?
Goannasauria
Basal Goannasaurians
Varanoidea
Lanthanotidae
Varanidae
Other platynotans / varanoids
Aigialosaurus dalmaticus

Plioplatecarpus primaevus Estesia mongoliensis Telmasaurus grangeri

Varanus priscus
Indeterminate squamates
Taxon identifiers
Pariguana


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