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Afairiguana avius

Description

Afairiguana avius is an extinct iguanid lizard known from a nearly complete and articulated skeleton discovered in rocks of the Early Eocene-aged Green River Formation of Wyoming, United States. As of the initial description, the skeleton represents the oldest complete iguanian from the Western Hemisphere, and is the oldest representative of the extant iguanid family of anoles, Polychrotidae.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4968022https://www.gbif.org/species/4968022
PaleoBioDB ID (PBDB)136553https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=136553
Rankspecies
Taxonomy (GBIF)Life : Animalia : Chordata : Reptilia : Squamata : Polychrotidae : Afairiguana : Afairiguana avius
Taxonomy (PBDB)Life : Animalia : Chordata : Reptilia : Squamata : Polychrotidae : Afairiguana : Afairiguana avius
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
phylumChordataHaeckel 1847
subphylumVertebrataLamarck 1801
superclassGnathostomataGegenbauer 1874
-Osteichthyes
-SarcopterygiiRomer 1955
subclassDipnotetrapodomorpha
subclassTetrapodomorpha
-Tetrapoda
-ReptiliomorphaSäve-Söderbergh 1934
-AnthracosauriaSäve-Söderbergh 1934
-Batrachosauria
-Cotylosauria
-AmniotaHaeckel 1866
-SauropsidaHuxley 1864
classReptiliaLaurenti 1768
subclassEureptilia
-RomeriidaGauthier et al. 1988
-Diapsida
-Eosuchia
-NeodiapsidaBenton 1985
-SauriaGauthier 1984
-Lepidosauromorpha
superorderLepidosauria
orderSquamataOppel 1811
-IguanomorphaSukhanov 1961
-Pleurodonta
familyPolychrotidae
genusAfairiguanaConrad et al. 2007
speciesAfairiguana aviusConrad et al. 2007
Generic NameAfairiguana
Scientific NameAfairiguana avius Conrad et al., 2007
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Afairiguana aviusspeciesbelongs to Afairiguanastated with evidenceConrad et al., 2007
Status (PBDB)extinct
Taxon Size (PBDB)1
First Recorded Appearance55.8 - 50.3 Ma
Eocene
Last Recorded Appearance55.8 - 50.3 Ma
Eocene
Environmentterrestrial (based on Diapsida)
Motilityactively mobile (based on Osteichthyes)
Taphonomyphosphatic (based on Vertebrata)
Primary Reference (PBDB)J. L. Conrad, O. Rieppel, and L. Grande. 2007. A Green River (Eocene) polychrotid (Squamata, Reptilia) and a re-examination of iguanian systematics. Journal of Paleontology 81(6):1365-1373
Wikipediahttps://en.wikipedia.org/wiki/Afairiguana_avius

Fossil Distribution

Synonymy List

YearName and Author
2007Afairiguana avius Conrad et al. p. 1365

References

Conrad J. L., Rieppel O., et al (2007) A Green River (Eocene) polychrotid (Squamata, Reptilia) and a re-examination of iguanian systematics, Journal of Paleontology 81 6, 1365-1373
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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