Paraplacosauriops

Extinct genus of lizards

Paraplacosauriops
Temporal range: middle Eocene
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Anguidae
Subfamily: Glyptosaurinae
Genus: Paraplacosauriops
Auge and Sullivan, 2006
Type species
Paraplacosauriops quercyi
Filhol, 1882

Paraplacosauriops (near Placosauriops) is an extinct genus of anguid lizards from the middle Eocene of France.

Taxonomy

Paraplacosauriops was originally named Plestiodon quercyi by Filhol (1882) on the basis of dentary remains from fissure fill deposits in Quercy, France.[1] Hoffstetter (1944) referred P. quercyi to the glyptosaurine genus Placosaurus, which is likewise endemic to Europe.[2] However, Auge and Sullivan (2006) recognized quercyi as belonging to the tribe Melanosaurini and not a Placosaurus-like glyptosaurin, so they erected Paraplacosauriops for P. quercyi.[3]

Description

Distinguishing features of Paraplacosauriops include a distinguishing heterodont dentition, especially the anterior teeth being extremely slender, pointed and not peg-like.[3]

References

  1. ^ Filhol, H. 1882. Description d'un genre nouveau de Reptile fossile et note sur une espèce de Reptile fossile du genre Plestiodon. Bulletin de la Société Philomathique de Paris, 6: 127.
  2. ^ Hoffstetter, R. 1944. Sur les Scincidae fossiles. 1. Formes Européennes et Nord-Américaines. Bulletin du Muséum National d'Histoire Naturelle, 16: 547–553.
  3. ^ a b R. M. Sullivan and M. Augé. 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(1):127-132
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Extinct squamate genera
  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Reptilia
  • Superorder: Lepidosauria
Iguania
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
Paraplacosauriops


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