Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Lepidosauromorpha

Reptilia

Synonymy list
YearName and author
1983Lepidosauromorpha Benton
1985Lepidosauromorpha Benton p. 154
1988Lepidosauromorpha Carroll
1989Lepidosauromorpha Gauthier et al. p. 343 fig. 9
1991Lepidosauromorpha Laurin p. 83 fig. 11
2001Lepidosauromorpha Peng et al. p. 26
2003Lepidosauromorpha Meyer and Zardoya
2004Lepidosauromorpha Martinelli and Forasiepi p. 260
2014Lepidosauromorpha Renesto and Bernardi p. 201
2016Lepidosauromorpha Ezcurra pp. 270, 282

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Eosuchia()
—Neodiapsida
—SauriaGauthier 1984
—Lepidosauromorpha(Benton 1983)
—Lepidosauromorpha(Benton 1983)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Unr. Lepidosauromorpha Benton 1983
show all | hide all
G. †Anisodontosaurus Welles 1947
+
†Anisodontosaurus greeri Welles 1947
G. †Blomosaurus Tatarinov 1978
+
†Blomosaurus ivachnenkoi Tatarinov 1978
G. †Coartaredens Spencer and Storrs 2002
+
†Coartaredens isaaci Spencer and Storrs 2002
G. †Feralisaurus Cavicchini et al. 2020
+
†Feralisaurus corami Cavicchini et al. 2020
G. †Fraxinisaura Schoch and Sues 2018
+
†Fraxinisaura rozynekae Schoch and Sues 2018
G. †Kudnu Bartholomai 1979
+
†Kudnu mackinlayi Bartholomai 1979
Superor. Lepidosauria Haeckel 1866 [lepidosaur]
+
G. †Cargninia Bonaparte et al. 2010
+
†Cargninia enigmatica Bonaparte et al. 2010
G. †Dolichopodus Gilmore 1926
+
G. †Euposaurus Jourdan 1862
+
†Euposaurus thiolleri Lortet 1892
†Euposaurus thiollierei Lortet 1892
Invalid names: Euposaurus cerinensis Lortet 1892 [nomen dubium], Euposaurus lorteti Lortet 1892 [nomen dubium]
G. †Lacertoidopus Ellenberger 1970
+
†Lacertoidopus sociabilis Ellenberger 1970
Or. †Millerosauria Watson 1957
+
Invalid names: Broomiidae Nopcsa 1923 [empty], Mesenosauridae [empty]
Or. †Pleurosauria Fitzinger 1843
+
Invalid names: Acrosauria Meyer [synonym]
Or. †Prolacertilia Huene 1954
+
Subor. †Prolacertoidea Camp 1923
+
Invalid names: Macrocnemoidea Kuhn 1946 [synonym], Priceidae Kuhn 1961 [empty]
Subor. †Tanysitrachelia Peyer 1931
+
Invalid names: Tanysitrachelidae Kuhn 1946 [empty]
Invalid names: Trachelosauria Broili 1917 [empty]
Or. Rhynchocephalia Günther 1867 [rhynchocephalian]
+
Subor. †Clarazisauria Hoffstetter 1955
+
Invalid names: Claraziidae Peyer 1936 [empty]
G. †Colobops Pritchard et al. 2018
+
†Colobops noviportensis Pritchard et al. 2018
G. †Eifelosaurus Jaekel 1904
+
†Eifelosaurus triadicus Jaekel 1904
Fm. †Gephyrosauridae Evans 1980
+
G. †Deltadectes Whiteside et al. 2017
+
†Deltadectes elvetica Whiteside et al. 2017
G. †Gephyrosaurus Evans 1980
+
†Gephyrosaurus evansae Whiteside and Duffin 2017
G. †Hamatopus Lilienstern 1939
Fm. Sphenodontidae Cope 1871
+
G. †Ankylosphenodon Reynoso 2000
+
Subfm. †Brachyrhinodontinae Huene 1948
+
Invalid names: Palacrodontinae Haughton 1924 [synonym]
G. †Cynosphenodon Reynoso 1996
+
G. †Derasmosaurus Barbera and Macuglia 1988
+
†Derasmosaurus pietrarojae Barbera and Macuglia 1988
G. †Elachistosuchus Janensch 1949
+
†Elachistosuchus huenei Janensch 1949
G. †Glevosaurus Swinton 1939
G. †Leptosaurus Fitzinger 1837
+
†Leptosaurus neptunius Goldfuss 1831
†Leptosaurus pulchellus Zittel 1887
G. †Oenosaurus Rauhut et al. 2012
+
†Oenosaurus muehlheimensis Rauhut et al. 2012
Unr. †Opisthodontia Apesteguía and Novas 2003
+
G. †Alamitosphenos Agnolín et al. 2023
Subfm. †Eilenodontinae Rasmussen and Callison 1981
G. †Fraserosphenodon Herrera-Flores et al. 2018
G. †Kawasphenodon Apesteguía 2005
G. †Priosphenodon Apesteguía and Novas 2003
G. †Sphenotitan Martinez et al. 2013
G. †Trullidens Kligman et al. 2021
G. †Paleollanosaurus Heckert 2004
+
†Paleollanosaurus fraseri Heckert 2004
G. †Piocormus Wagner 1852
+
†Piocormus laticeps Wagner 1852
G. †Scharschengia Huene 1940
+
G. †Sigmala Fraser 1986
+
†Sigmala sigmala Fraser 1986
G. †Simila
G. Sphenodon Gray 1831
+
Sphenodon guentheri Gunther 1867 [Brother island tuatara]
Sphenodon punctata Gray 1842 [tuatara]
Subfm. Sphenodontinae Cope 1871
+
G. †Navajosphenodon Simões et al. 2022
G. †Notosphenos Agnolín et al. 2024
G. †Sphenofontis Villa et al. 2021
G. †Tika Apesteguía et al. 2021
G. †Sphenovipera Reynoso 2005
+
†Sphenovipera jimmysjoyi Reynoso 2005
G. †Theretairus Simpson 1926
+
†Theretairus antiquus Simpson 1926
G. †Zapatadon Reynoso and Clark 1998
+
†Zapatadon ejidoensis Reynoso and Clark 1998
Invalid names: Hatteriidae Cope 1864 [synonym]
G. †Vadasaurus Bever and Norell 2017
+
†Vadasaurus herzogi Bever and Norell 2017
Invalid names: Pachystropheidae Kuhn 1961 [empty], Sauranodontes Lortet 1892 [empty], Sphenodontiformes Hay 1930 [empty], Tholodontidae Kuhn [empty]
G. †Sauroeidepus Ellenberger 1970
+
†Sauroeidepus matsepensis Ellenberger 1970
†Sauroeidepus quthingensis Ellenberger 1970
Unr. Sphenodontia Jaekel 1910
+
G. †Diphydontosaurus Whiteside 1986
+
†Diphydontosaurus avonis Whiteside 1986
Infraor. †Eusphenodontia Herrera-Flores et al. 2018
+
Fm. †Clevosauridae Fraser 1993
+
G. †Brachyrhinodon Huene 1910
G. †Clevosaurus Swinton 1939
+
Invalid names: Dianosaurus Young 1982 [synonym]
G. †Lanceirosphenodon de Vivar et al. 2020
+
†Lanceirosphenodon ferigoloi de Vivar et al. 2020
G. †Microsphenodon Chambi-Trowell et al. 2021
+
†Microsphenodon bonapartei Chambi-Trowell et al. 2021
Unr. †Neosphenodontia Herrera-Flores et al. 2018
+
Fm. Homoeosauridae Gervais 1852
G. †Pamizinsaurus Reynoso 1997
Fm. †Pleurosauridae Lydekker 1888
+
Invalid names: Acrosauridae Meyer 1861 [synonym]
Fm. †Saphaeosauridae Nopcsa 1923
+
Invalid names: Sauranodontidae Lortet 1892 [synonym]
G. †Opisthiamimus DrMar Jr. et al. 2022
+
†Opisthiamimus gregori DrMar Jr. et al. 2022
G. †Polysphenodon Jaeckel 1911
+
†Polysphenodon muelleri Jaeckel 1911
G. †Godavarisaurus Evans et al. 2001
+
†Godavarisaurus lateefi Evans et al. 2001
G. †Lamarquesaurus Apesteguía and Rougier 2007
+
†Lamarquesaurus cabazai Apesteguía and Rougier 2007
G. †Micromenodon Sues and Schoch 2021
+
†Micromenodon pitti Sues and Schoch 2021
G. †Opisthias Gilmore 1909
+
†Opisthias rarus Gilmore 1909
G. †Parvosaurus Freisem et al. 2024
+
†Parvosaurus harudensis Freisem et al. 2024
G. †Pelecymala Fraser 1986
+
†Pelecymala robustus Fraser 1986
G. †Planocephalosaurus Fraser 1982
+
†Planocephalosaurus lucasi Heckert 2004
G. †Rebbanasaurus Evans et al. 2001
+
†Rebbanasaurus jaini Evans et al. 2001
G. †Sphenocondor Apesteguia et al. 2012
+
†Sphenocondor gracilis Apesteguia et al. 2012
G. †Tingitana Evans and Sigogneau-Russell 1997
+
†Tingitana anoualae Evans and Sigogneau-Russell 1997
G. †Whitakersaurus Heckert et al. 2008
+
†Whitakersaurus bermani Heckert et al. 2008
Invalid names: Homoeosauria Jaekel 1910 [synonym], Sauranodonti Marsh 1879 [empty], Sphenodonta [synonym]
Invalid names: Patricosaurus Seeley 1887 [nomen dubium], Weigeltisauria Kuhn 1939 [empty]
Unr. Lepidosauriformes Gauthier et al. 1988
+
Fm. †Kuehneosauridae Romer 1966
+
G. †Icarosaurus Colbert 1966
+
†Icarosaurus siefkeri Colbert 1966
G. †Idiosaura Kligman et al. 2024
+
†Idiosaura virginiensis Kligman et al. 2024
G. †Kuehneosaurus Robinson 1962
+
†Kuehneosaurus latus Robinson 1962
G. †Kuehneosuchus Robinson 1967
+
†Kuehneosuchus latissimus Robinson 1962
G. †Pamelina Evans 2009
+
†Pamelina polonica Evans 2009
G. †Perparvus
G. †Rhabdopelix Cope 1870
G. †Marmoretta Evans 1991
+
†Marmoretta oxoniensis Evans 1991
G. †Neosauroides Kim et al. 2017
+
†Neosauroides innovatus Kim et al. 2019
†Neosauroides koreaensis Kim et al. 2017
G. †Paliguana Broom 1903
+
†Paliguana whitei Broom 1903
Fm. †Paliguanidae Broom 1926
+
G. †Santaisaurus Koh 1940
+
†Santaisaurus yuani Koh 1940
G. †Sophineta Evans and Borsuk−Białynicka 2009
+
†Sophineta cracoviensis Evans and Borsuk−Białynicka 2009
G. †Tamaulipasaurus Clark and Hernandez 1994
+
†Tamaulipasaurus morenoi Clark and Hernandez 1994
G. †Taytalura Martinez et al. 2021
+
†Taytalura alcoberi Martinez et al. 2021
G. †Vellbergia Sobral et al. 2020
+
†Vellbergia bartholomaei Sobral et al. 2020
G. †Vinitasaura Sues and Kligman 2021
+
†Vinitasaura lizae Sues and Kligman 2021
Invalid names: Saurosternidae Haughton 1924 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Created: 2017-04-17 15:16:03
Modified: 2017-04-17 15:16:03
Source: subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988

Age range

Maximum range based only on fossils: base of the Spathian to the top of the Holocene or 251.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 251.2 Ma

Collections (285 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Induan252.17 - 251.2Russian Federation (Nizhnii Novgorod) Blomosaurus ivachnenkoi (94247)
Induan252.17 - 251.2Australia (Queensland) Kudnu mackinlayi (85560)
Induan252.17 - 251.2China (Xinjiang) Santaisaurus yuani (93419)
Early/Lower Triassic252.17 - 247.2United Kingdom (England) Hamatopus sp. (184048)
Early/Lower Triassic252.17 - 247.2Germany (Saarland) Lepidosauria indet. (36204)
Induan - Olenekian252.17 - 247.2South Africa (Eastern Cape) Paliguana whitei (13043)
Induan - Olenekian252.17 - 247.2Russian Federation (Orenburg) Rhynchocephalia indet. (37040)
Smithian251.3 - 247.2Russian Federation (Orenburg) Rhynchocephalia indet. (196057)
Spathian251.3 - 247.2Russian Federation (Orenburg) Scharschengia sp. (196059)
Olenekian251.2 - 247.2Poland (Malopolskie) Lepidosauromorpha indet., Diapsida indet. (38528)
Olenekian - Anisian251.2 - 242.0Germany (Thuringia) Hamatopus wildfeueri (182300)
Aegean - Bithynian247.2 - 242.0Germany (Rheinland-Pfalz) Eifelosaurus triadicus (134292)
Aegean - Bithynian247.2 - 242.0USA (Arizona) Anisodontosaurus greeri (34888 95112)
Anisian247.2 - 242.0United Kingdom (England) Coartaredens isaaci (88977) Feralisaurus corami (214637)
Middle Triassic247.2 - 237.0USA (Arizona) Anisodontosaurus greeri (232491 232492)
Longobardian242.0 - 235.0Germany (Baden-Württemberg) Lepidosauria indet. (101873) Rhynchocephalia indet., Fraxinisaura rozynekae, Vellbergia bartholomaei (101875)
Carnian237.0 - 228.0Brazil (Rio Grande do Sul) Clevosaurus hadroprodon (203745)
Carnian237.0 - 228.0Argentina (San Juan) Taytalura alcoberi (90304)
Carnian237.0 - 228.0United Kingdom (England) Clevosaurus hudsoni, Sphenodontia indet. (13173) Diphydontosaurus avonis, Clevosaurus sectumsemper (176266) Kuehneosaurus sp., Diphydontosaurus sp., Clevosaurus latidens, Sigmala sigmala, Planocephalosaurus sp. (13182) Kuehneosaurus sp., Pelecymala robustus, Sphenodontia indet., Planocephalosaurus sp., Sigmala sp., Clevosaurus hudsoni (13175 13176) Kuehneosaurus sp., Sigmala sigmala, Pelecymala robustus, Sphenodontia indet., Planocephalosaurus sp., Clevosaurus sp. (13183) Kuehneosaurus sp., Sigmala sigmala, Sphenodontia indet., Planocephalosaurus sp. (13174) Lepidosauria indet., Diphydontosaurus avonis, Clevosaurus sectumsemper (176263) Lepidosauria indet., Planocephalosaurus sp., Diphydontosaurus avonis, Clevosaurus sp., Sphenodontia indet. (46889) Planocephalosaurus robinsonae, Sigmala sigmala, Pelecymala robustus (13177) Planocephalosaurus sp., Sigmala sp., Clevosaurus sp. (13181) Planocephalosaurus sp., Sigmala sp., Kuehneosaurus sp., Clevosaurus sp. (13179) Planocephalosaurus sp., Sigmala sp., Kuehneosaurus sp., Clevosaurus sp., Sphenodontia indet. (13178 13180)
Carnian237.0 - 228.0USA (Texas) Sphenodontidae indet. (84271)