Stenoplacosaurus

Extinct genus of lizards

Stenoplacosaurus
Temporal range: Eocene
PreꞒ
O
S
D
C
P
T
J
K
Pg
N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Anguidae
Subfamily: Glyptosaurinae
Genus: Stenoplacosaurus
Sullivan and Dong, 2018
Type species
Helodermoides mongoliensis
Sullivan, 1979

Stenoplacosaurus is an extinct genus of glyptosaurine anguid lizards from the Eocene of Inner Mongolia, China. The genus is monotypic, containing only the species Stenoplacosaurus mongoliensis.

Taxonomy

Stenoplacosaurus was originally named Helodermoides mongoliensis by Sullivan (1979) for remains found in the Shara Murun Formation of Inner Mongolia, China.[1] In their redescription of Placosaurus, Sullivan and Auge (2006) transferred H. mongoliensis to Placosaurus, as P. mongoliensis.[2] However, Sullivan and Dong (2018) found it to be generically distinct from the Placosaurus type species and renamed it Stenoplacosaurus.[3]

References

  1. ^ Sullivan, Robert M. (1979). "Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae)". Bulletin of the American Museum of Natural History. 163: 1–72.
  2. ^ Sullivan, R. M. & Augé, M. (2006). "Redescription of the holotype of Placosaurus rugosus Gervais 1848–1852 (Squamata, Anguidae, Glyptosaurinae) from the Eocene of France and a revision of the genus". Journal of Vertebrate Paleontology. 26: 127–132. doi:10.1671/0272-4634(2006)26[127:ROTHOP]2.0.CO;2. JSTOR 4524542.
  3. ^ Sullivan, Robert M. & Dong, L. (2018). "Stenoplacosaurus mongoliensis, a new generic name for "Placosaurus" mongoliensis (Anguidae, Glyptosaurinae) from the Shara Murun Formation, Nei Mongol (Inner Mongolia), China". New Mexico Museum of Natural History and Science. 79: 691–694.
Taxon identifiers
Stenoplacosaurus
  • v
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  • e
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