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Peltosaurus Temporal range: Eocene - Oligocene
Skull of Peltosaurus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Family:	Anguidae
Subfamily:	†Glyptosaurinae
Genus:	†Peltosaurus Cope, 1873
Species
†P. granulosus Cope, 1873 (type) †P. macrodon Brattstrom, 1955

Peltosaurus is an extinct genus of anguid lizard from North America that lived from the Eocene to the Oligocene. Peltosaurus belongs to the anguid subfamily Glyptosaurinae. The type species Peltosaurus granulosus was named in 1873 by American paleontologist Edward Drinker Cope. Many additional species have been named, but most have been reassigned to different genera. For example, Peltosaurus piger, named in 1928, was reclassified as Odaxosaurus piger, and P. jepseni, named in 1942 from the Paleocene of Wyoming, but was later reclassified as Proxestops jepseni. In 1955 a new species, Peltosaurus macrodon, was named from the Eocene of California. Lizard bones from the Late Miocene of Nebraska were attributed to a new species of Peltosaurus called P. minimus in 1976, extending the fossil range of Peltosaurus and Glyptosaurinae into the Neogene. However, these bones were later referred to a genus of skinks called Eumeces, meaning that the fossil range of Peltosaurus and Glyptosaurinae does not go beyond the Paleogene.

The name Peltosaurus was going to be used for the dinosaur now named Sauropelta, but when it was realized that the name was preoccupied, Sauropelta was substituted.

References

1. Holman, J.A. (1976). "A new Peltosaurus (Reptilia, Sauria, Anguidae) from the Upper Miocene of Nebraska". Journal of Herpetology. 10 (1): 41–44. doi:10.2307/1562926. JSTOR 1562926.
2. Wellstead, C.F. (1982). "Taxonomic re-assignment of the Miocene lizard, Peltosaurus minimus, from Nebraska". Copeia. 1982 (3): 549–553. doi:10.2307/1444654. JSTOR 1444654.
3. Worth, Graeme. Peltosaurus. The Dinosaur Encyclopaedia. Accessed 2012-12-07.

External links

• Peltosaurus in the Paleobiology Database
• Peltosaurus skull at the Science Museum of Minnesota

v t e Extinct squamate genera
Kingdom: Animalia Phylum: Chordata Class: Reptilia Superorder: Lepidosauria
Iguania Acrodonta Anqingosaurus Barbaturex Bharatagama Gueragama Xianglong Agamidae Indiagama Suratagama Pleurodonta / Iguanoidea Anolbanolis Suzanniwana Uquiasaurus Xihaina Corytophanidae Aciprion? Babibasiliscus Geiseltaliellus †Gobiguania Anchaurosaurus Ctenomastax Igua Isodontosaurus Polrussia Saichangurvel Temujinia Zapsosaurus Iguanidae Afairiguana Polychrotidae Armandisaurus Lapitiguana Pariguana Pristiguana Pumilia Phrynosomatidae Desertiguana Other extinct iguanians Brasiliguana Hoyalacerta? Huehuecuetzpalli? Swainiguanoides †Arretosauridae Arretosaurus Dornosaurus Ergiliinsaurus Khaichinguana †Priscagamidae Heterodontagama Mimeosaurus Phrynosomimus Pleurodontagama? Priscagama
†Polyglyphanodontia / Borioteiioidea Chamopsiidae Chamops Gerontoseps Glyptogenys Harmodontosaurus Haptosphenus Leptochamops Meniscognathus Pelsochamops Socognathus Stypodontosaurus Trippenaculus Gilmoreteiidae / "macrocephalosaurines" Gilmoreteius Kuwajimalla Yechilacerta "Polyglyphanodontines" Bicuspidon Cherminsaurus Darchansaurus Distortodon Erdenetesaurus Polyglyphanodon Sineoamphisbaena? Other polyglyphanodontians Adamisaurus Funiusaurus Gobinatus Obamadon Olindalacerta? Paleochelco? Peneteius Tchingisaurus Tianyusaurus Tijubina? Tripennaculus
Stem Scincogekkonomorpha Scincogekkonomorpha Ardeosaurus? Bavarisaurus? Eichstaettisaurus? Jucaraseps Liushusaurus? Pedrerasaurus Scandensia? Yabeinosaurus? Scleroglossa Gekkonomorpha Norellius Gekkota Cadurcogekko Cretaceogekko Gobekko Hoburogekko Yanatarogecko Stem Autarchoglossa (Evansauria) Parmeosaurus Tepexisaurus Tijubina? †Bainguidae? Bainguis? Eoxanta Globaura Myrmecodaptria
Scincomorpha Cordyloidea Eocordyla Ornatocephalus Sakurasaurus Lacertoidea Cnodontosaurus Paracontogenys Purbicella †Polyglyphanodontia? Amphisbaenia Oligodontosaurus Todrasaurus Amphisbaenidae Listromycter Lophocranion Bipedidae Anniealexandria Blanidae Blanosaurus Cuvieribaena Louisamphisbaena †Chthonophidae Chthonophis Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae Polyodontobaena †Contogeniidae Contogenys Palaeoscincosaurus Utahgenys Lacertidae Amblyolacerta Camptognathosaurus? Dormaalisaurus Dracaenosaurus Escampcerta Gracilicerta Ligerosaurus Maioricalacerta Mediolacerta Plesiolacerta Pseudeumeces Pseudolacerta Quercycerta Teiidae Brevisaurus? Meyasaurus? Ptilotodon †Barbatteiidae Barbatteius Oardasaurus Xantusiidae Catactegenys Palepidophyma Palaeoxantusia Scincoidea Retinosaurus Scincoideus Slavoia Scincidae Axonoscincus Orthoscincus Pyrenasaurus? Other scincomorphs Apsgnathus Calanguban Chromatogenys Dakotaseps Kleskunsaurus Lonchisaurus Monocnemodon Pachygenys Saurillodon Saurillus Sciroseps Webbsaurus †Paramacellodidae Atokasaurus? Becklesius Mimobecklesisaurus Paramacellodus Parasaurillus? Pseudosaurillus? Sharovisaurus
Anguimorpha Basal anguimorphs Chometokadmon Eolacerta Paramacellodus Paravaranus? Yabeinosaurus? †Mosasauroidea? †Aigialosauridae †Mosasauridae Neoanguimorpha Carusioidea Carusia Xenosauridae Entomophontes Exostinus Restes Anguidae Odaxosaurus Anguinae Headonhillia Helvetisaurus Ophisauriscus Ragesaurus Diploglossinae Apodosauriscus Eodiploglossus Gerrhonotinae Paragerrhonotus Parophisaurus †Glyptosaurinae Arpadosaurus Melanosaurus Gaultia Glyptosaurus Helodermoides Odaxosaurus Paraglyptosaurus Paraplacosauriops Peltosaurus Placosaurus Proglyptosaurus Proxestops Xestops Paleoanguimorpha Basal varanoids / platynotans Aiolosaurus Colpodontosaurus Dorsetisaurus Eosaniwa Palaeovaranus Parasaniwa Parviderma Proplatynotia Saniwides Telmasaurus Shinisauria? Bahndwivici Dalinghosaurus Merkurosaurus Provaranosaurus Goannasauria Basal Goannasaurians Asprosaurus Chianghsia Estesia Eurheloderma Gobiderma Lowesaurus Morohasaurus Palaeosaniwa Paraderma Primaderma Varanoidea Lanthanotidae Cherminotus Varanidae Ovoo Saniwa Archaeovaranus Other platynotans / varanoids Arcanosaurus? Cemeterius Dryadissector
Ophidia Coniophis Diablophis Dinilysia? Eophis Lapparentophis Najash? Parviraptor Portugalophis Tetrapodophis See Serpentes (snakes)
Indeterminate squamates Costasaurus Lamiasaura Oculudentavis? Schillerosaurus

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• Paleogene lizards
• Eocene lepidosaurs
• Oligocene lepidosaurs
• Miocene lepidosaurs
• Eocene reptiles of North America
• Oligocene genus extinctions
• Fossil taxa described in 1873
• Taxa named by Edward Drinker Cope
• Prehistoric lizard stubs