Priscagama

Extinct genus of lizards

Priscagama
Temporal range: Late Cretaceous, 84.9–70.6 Ma
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Family: Priscagamidae
Genus: Priscagama
Borsuk-Białynicka and Moody, 1984
Type species
Priscagama gobiensis
Borsuk-Białynicka and Moody, 1984[1]

Priscagama (meaning "earliest Agama" in Latin) is an extinct genus of iguanian lizard from the Late Cretaceous of Mongolia[1] and China.[2] It belongs to an extinct family of iguanians called Priscagamidae[3] (or subfamily Priscagaminae[2][4]). Several incomplete skulls have been found in the Barun Goyot and Djadochta formations, and were originally referred to the genus Mimeosaurus; the type species Priscagama gobiensis was named in 1984 when it was recognized that these skulls belonged to a distinct species.[1] Priscagama differs from most other priscagamids in having a more elongate, lightly built skull. It is very similar in appearance to another priscagamid called Pleurodontagama, as the two can only be distinguished by the shape of their teeth.[4]

References

  1. ^ a b c Borsuk-Białynicka, M.; and Moody, S.M. (1984). "Priscagaminae, a new subfamily of the Agamidae (Sauria) from the Late Cretaceous of the Gobi Desert". Acta Palaeontologica Polonica. 29 (1–2): 51–81.
  2. ^ a b "†Priscagama Borsuk-Bialynicka and Moody 1984". Paleobiology Database. Fossilworks. Retrieved 17 December 2021.
  3. ^ Alifanov, V.R. (1989). "New priscagamids (Lacertilia) from the Upper Cretaceous of Mongolia and their systematic position among Iguania". Paleontological Journal. 4: 68–80.
  4. ^ a b Gao, K.; and Norell, M. (2000). "Taxonomic composition and systematics of late Cretaceous lizard assemblages from Ukhaa Tolgod and adjacent localities, Mongolian Gobi Desert". Bulletin of the American Museum of Natural History. 249: 1–117. doi:10.1206/0003-0090(2000)249<0001:TCASOL>2.0.CO;2. hdl:2246/1596. S2CID 129367764.
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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


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