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Lepidosauromorpha

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	37794	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=37794

Rank

unranked clade (PBDB)

Taxonomy (PBDB)

Life : Animalia : Chordata : Reptilia : Eosuchia : Lepidosauromorpha

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Sauropsida	Huxley 1864
class	Reptilia	Laurenti 1768
subclass	Eureptilia
-	Romeriida	Gauthier et al. 1988
-	Diapsida
-	Eosuchia
-	Neodiapsida	Benton 1985
-	Sauria	Gauthier 1984
infraclass	Lepidosauromorpha

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Lepidosauromorpha	infraclass	belongs to Neodiapsida	stated with evidence	Benton, 1985
Lepidosauromorpha	infraclass	belongs to Diapsida	implied	Carroll, 1988
Lepidosauromorpha	unranked clade	belongs to Sauria	stated without evidence	Gauthier et al., 1989
Lepidosauromorpha	unranked clade	belongs to Neodiapsida	stated with evidence	Laurin, 1991
Lepidosauromorpha	infraclass	belongs to Diapsida	stated without evidence	Peng et al., 2001
Lepidosauromorpha	infraclass	belongs to Reptilia	stated without evidence	Meyer and Zardoya, 2003
Lepidosauromorpha	unranked clade	belongs to Diapsida	stated without evidence	Renesto and Bernardi, 2014
Lepidosauromorpha	unranked clade	belongs to Sauria	stated with evidence	Ezcurra, 2016

Status (PBDB)

extant

Taxon Size (PBDB)

2,810

Extant Size (PBDB)

1,061 (38%)

First Recorded Appearance

252 - 251 Ma
Phanerozoic

Environment

terrestrial (based on Diapsida)

Motility

actively mobile (based on Osteichthyes)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

R. L. Carroll. 1988. Vertebrate Paleontology and Evolution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Lepidosauria superorder	listed (PBDB)	Lepidosaur	8,564	252 Ma Permian	0 Ma Extant
Paliguanidae ✝ family	accepted (GBIF) listed (PBDB)		1	252 Ma Permian	252 Ma Permian
Saurosternidae ✝ family	accepted (GBIF) listed (PBDB)
Anisodontosaurus ✝ genus	accepted (GBIF) listed (PBDB)		2	247 Ma Early/Lower Triassic	247 Ma Early/Lower Triassic
Blomosaurus ✝ genus	accepted (GBIF) listed (PBDB)		1	252 Ma Permian	252 Ma Permian
Coartaredens ✝ genus	accepted (GBIF) listed (PBDB)		2	247 Ma Early/Lower Triassic	247 Ma Early/Lower Triassic
Fraxinisaura ✝ genus	listed (PBDB)		1	242 Ma Middle Triassic	242 Ma Middle Triassic
Kudnu ✝ genus	accepted (GBIF) listed (PBDB)		1	252 Ma Permian	252 Ma Permian
Marmoretta ✝ genus	accepted (GBIF) listed (PBDB)		4	168 Ma Middle Jurassic	157 Ma Jurassic
Paliguana ✝ genus	accepted (GBIF) listed (PBDB)		1	252 Ma Permian	252 Ma Permian
Sophineta ✝ genus	accepted (GBIF) listed (PBDB)		1	251 Ma Early/Lower Triassic	251 Ma Early/Lower Triassic
Lepidosauriformes unranked clade	listed (PBDB)		19	251 Ma Early/Lower Triassic	0 Ma Extant

Synonymy List

Year	Name and Author
1983	Lepidosauromorpha Benton
1985	Lepidosauromorpha Benton p. 154
1988	Lepidosauromorpha Carroll
1989	Lepidosauromorpha Gauthier et al. p. 343 fig. 9
1991	Lepidosauromorpha Laurin p. 83 fig. 11
2001	Lepidosauromorpha Peng et al. p. 26
2003	Lepidosauromorpha Meyer and Zardoya
2014	Lepidosauromorpha Renesto and Bernardi p. 201
2016	Lepidosauromorpha Ezcurra pp. 270, 282

References

Carroll R. L. (1988) , Vertebrate Paleontology and Evolution, 1-698

Benton M. J. (1985) Classification and phylogeny of the diapsid reptiles, Zoological Journal of the Linnean Society 84 2, 97-164

Gauthier J. A., Cannatella D., et al (1989) Tetrapod phylogeny, In B. Fernholm, K. Bremer, & H. Jörnvall (eds.), The Hierarchy of Life. Elsevier Science Publishers B. V., Amsterdam, 337-353

Laurin M. (1991) The osteology of a Lower Permian eosuchian from Texas and a review of diapsid phylogeny, Zoological Journal of the Linnean Society 101 1, 59-95

Peng J., Russell A. P., et al (2001) Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide, Provincial Museum of Alberta, Natural History Occasional Paper 25, 1-54

Meyer A., Zardoya R. (2003) Recent advances in the (molecular) phylogeny of vertebrates, Annual Review of Ecology, Evolution, and Systematics 34, 311-338

Renesto S., Bernardi M. (2014) Redescription and phylogenetic relationships of Megachirella wachtleri Renesto et Posenato, 2003 (Reptilia, Diapsida), Palaeontologische Zeitschrift 88, 197-210 doi: 10.1007/s12542-013-0194-0

Ezcurra M. D. (2016) The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms, PeerJ 4, e1778

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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