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

Sauropsida

Taxonomy
Sauropsida was named by Huxley (1864) [The term "Sauropsida" occurs in a footnote. Otherwise the same group (reptiles + birds) is always referred to as "sauroids". ]. It is extant. It was considered monophyletic by Laurin and Reisz (1995).

It was assigned to Amniota by Huxley (1864) and Laurin and Reisz (1995).

Synonymy list
YearName and author
1864Sauropsida Huxley p. 76
1995Sauropsida Laurin and Reisz p. 172

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
RankNameAuthor
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
Sauropsida

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 100000 kgg
Minimum body mass: 10 gg
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: g = genus, c = class, subp = subphylum, uc = unranked clade
References: Holman 2000, Kiessling 2004, Peczkis 1995, Carroll 1988, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Mississippian to the top of the Holocene or 358.90000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 323.2 Ma

Collections (19351 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2USA (Virginia) Dromopus aduncus (104796)
Pennsylvanian323.2 - 298.9USA (Massachusetts) Dromopus woodworthi (34780)
Westphalian A318.1 - 314.6Canada (Nova Scotia) Hylonomus latidens, Hylonomus lyelli, Hylerpeton curtidentatum, Hylonomus wymani (28069) Hylonomus lyelli (86946)
Westphalian C - Westphalian D314.6 - 306.95Canada (Nova Scotia) Paleothyris acadiana (80111)
Westphalian D311.45 - 306.95USA (Ohio) Sauropleura longipes (85292)
Westphalian D311.45 - 306.95Czech Republic (Pilsen) Brouffia orientalis, Coelostegus prothales, Hylonomus acuminatus (84835)
Westphalian D311.45 - 306.95USA (Illinois) Cephalerpeton ventriarmatum (79598)
Missourian305.9 - 303.4USA (Illinois) Reptilia indet. (80714)
Missourian305.9 - 303.4USA (Kansas) Petrolacosaurus kansensis, Podargosaurus hibbardi (80784)
Gzhelian303.7 - 298.9Canada (Prince Edward Island) Erpetonyx arsenaultorum (171344)
Gzhelian - Asselian303.7 - 295.5France (Burgundy) Belebey augustodunensis (164623)
Virgilian303.4 - 298.9USA (Kansas) Concordia cunninghami, Spinoaequalis schultzei (68427)
Virgilian - Wolfcamp303.4 - 268.0USA (New Mexico) Rhiodenticulatus heatoni (77412)
Asselian298.9 - 295.5USA (Texas) Protorothyris archeri, Romeria primus (79163)
Asselian298.9 - 295.5USA (West Virginia) Melanothyris morani (85178)
Asselian298.9 - 295.5France (Languedoc-Roussillon) Aphelosaurus lutevensis (171350)
Asselian - Sakmarian298.9 - 290.1USA (Texas) Bolosaurus striatus (11165)
Cisuralian298.9 - 272.3United Kingdom (Scotland) Testudo duncani, Chelichnus gigas, Herpetichnus sauroplesius, Herpetichnus bucklandi, Chelichnus titan (174685)
Rotliegendes298.9 - 254.0Poland (Lower Silesia) Dromopus lacertoides, Dimetropus leisnerianus (197201)
Permian298.9 - 252.17United Kingdom (Nottinghamshire) Chelichnus hicklingi (197345)