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Amniota (amniote)

Synonymy list
YearName and author
1866Amniota Haeckel p. CXXXII
1891Plagiaulax dawsoni Woodward
1971Plagiaulax dawsoni Hahn p. 35
1982Amniota Gardiner p. 228
1985Amniota Benton p. 153
1988Amniota Gauthier et al. p. 139 fig. 4.4
1989Amniota Gauthier et al. p. 340 fig. 4
1993Amniota Sues and Olsen
1995Amniota Laurin and Reisz p. 172 fig. 2
2003Amniota Ruta et al. p. 261 figs. 4, 5, 6

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phylumChordataHaeckel 1847
subclassDipnotetrapodomorpha(Nelson 2006)

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.

No diagnoses are available
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 100000 kgg
Minimum body mass: 3 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, Legendre 1988, Kiessling 2004, Peczkis 1995, Hopson 1973, 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 (36674 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)
Pennsylvanian323.2 - 298.9USA (Georgia) Cincosaurus cobbi (150407)
Westphalian A318.1 - 314.6Canada (Nova Scotia) Hylonomus latidens, Protoclepsydrops haplous, Hylonomus lyelli, Hylerpeton curtidentatum, Hylonomus wymani (28069) Hylonomus lyelli (86946)
Westphalian318.1 - 306.95USA (Alabama) Cincosaurus cobbi, Cincosaurus jaggerensis, Cincosaurus jonesii, Cincosaurus fisheri (84135) Notalacerta missouriensis, Cincosaurus cobbi (81525)
Westphalian C - Westphalian D314.6 - 306.95Canada (Nova Scotia) Clepsydrops sp., Archaeothyris florensis, Echinerpeton intermedium, Paleothyris acadiana (80111)
Westphalian D311.45 - 306.95USA (Ohio) Archaeothyris sp., Sauropleura longipes, Pelycosauria indet. (85292)
Westphalian D311.45 - 306.95USA (Illinois) Cephalerpeton ventriarmatum (79598)
Westphalian D311.45 - 306.95Czech Republic (Pilsen) Archaeothyris sp., Amniota indet., Brouffia orientalis, Coelostegus prothales, Hylonomus acuminatus (84835)
Stephanian306.95 - 298.9France (Bourgogne) Stereorhachis dominans (80716)
Missourian305.9 - 303.4USA (Colorado) Ianthasaurus sp. (180938)
Missourian305.9 - 303.4USA (Illinois) Reptilia indet., Clepsydrops sp., Archaeobelus vellicatus, Clepsydrops collettii, Clepsydrops vinslovii, Clepsydrops pedunculatus, Captorhinus illinoisensis (80714)
Missourian305.9 - 303.4USA (Kansas) Amniota indet., Haptodus garnettensis, Ianthasaurus hardestii, Edaphosaurus ecordi, Xyrospondylus ecordi, Petrolacosaurus kansensis, Podargosaurus hibbardi, Ianthodon schultzei, Kenomagnathus scotti, Tenuacaptor reiszi (80784)
Missourian305.9 - 303.4USA (Pennsylvania) Edaphosaurus raymondi (80775 180937)
Missourian - Virgilian305.9 - 298.9USA (Pennsylvania) Clepsydrops magnus (173987)
Stephanian B304.8 - 303.4Czech Republic Macromerion schwarzenbergii, Macromerion schwartzenbergii, Naosaurus mirabilis (154179)
Gzhelian303.7 - 298.9Germany (Rhineland-Palatinate) Cryptovenator hirschbergeri (109702)
Gzhelian303.7 - 298.9Canada (Prince Edward Island) Erpetonyx arsenaultorum (171344)
Gzhelian - Asselian303.7 - 295.5Germany (Thuringia) Haptodus sp. (180761)
Gzhelian - Asselian303.7 - 295.5France (Burgundy) Belebey augustodunensis (164623)