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Sister taxa
Anthracosauria (syn. Anthracosaurida)

View classification of included taxa

Synonymy list
YearName and author
1934Reptiliomorpha Säve-Söderbergh pp. 11, 17-18 fig. 5
2005Reptiliomorpha Haubold et al.
2019Reptiliomorpha Arbez et al.

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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: brackish, freshwater, terrestrialsubp
Locomotion: actively mobilec
Created: 2017-04-17 15:15:19
Modified: 2017-04-17 15:15:19
Source: g = genus, c = class, subp = subphylum
References: Holman 2000, Legendre 1988, Peczkis 1995, Hopson 1973, Carroll 1988, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Arnsbergian to the top of the Holocene or 326.40000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 323.2 Ma

Collections (37380 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Mississippian358.9 - 323.2USA (Virginia) Dromopus aduncus (104796)
Arnsbergian326.4 - 318.1USA (West Virginia) Mauchchunkia bassa, Proterogyrinus scheelei (124949)
Pendleian326.4 - 318.1United Kingdom (England) Anthracosauria indet., Eoherpeton watsoni (22726)
Pendleian326.4 - 318.1United Kingdom (Scotland) Eoherpeton watsoni (174421)
Pennsylvanian323.2 - 298.9USA (Massachusetts) Dromopus woodworthi (34780)
Pennsylvanian323.2 - 298.9USA (Pennsylvania) Thenaropus heterodactylus (200134)
Pennsylvanian323.2 - 298.9USA (Georgia) Cincosaurus cobbi (150407)
Marsdenian318.1 - 314.6Germany (Westphalia) Bruktererpeton fiebigi (175907)
Westphalian A318.1 - 314.6Canada (Nova Scotia) Hylonomus lyelli (86946) Protoclepsydrops haplous, Hylonomus lyelli, Hylerpeton curtidentatum, Hylonomus wymani, Hylonomus latidens (28069)
Westphalian318.1 - 306.95USA (Alabama) Attenosaurus subulensis, Attenosaurus indistinctus, Cincosaurus cobbi, Cincosaurus jaggerensis, Cincosaurus jonesii, Quadropedia prima, Cincosaurus fisheri (84135) Notalacerta missouriensis, Attenosaurus subulensis, Cincosaurus cobbi (81525)
Westphalian C - Westphalian D314.6 - 306.95Canada (Nova Scotia) Clepsydrops sp., Limnostygis relictus, Archaeothyris florensis, Echinerpeton intermedium, Paleothyris acadiana (80111)
Westphalian D311.45 - 306.95USA (Ohio) Archaeothyris sp., Sauropleura longipes, Pelycosauria indet., Sauropleura digitata, Eusauropleura digitata (85292)
Westphalian D311.45 - 306.95Czech Republic Adenoderma gracilis (125662)
Westphalian D311.45 - 306.95USA (Illinois) Cephalerpeton ventriarmatum, Spondylerpeton spinatum (79598)
Westphalian D311.45 - 306.95Czech Republic (Pilsen) Archaeothyris sp., Amniota indet., Brouffia orientalis, Coelostegus prothales, Gephyrostegus watsoni, Gephyrostegus bohemicus, Hylonomus acuminatus (84835)
Stephanian306.95 - 298.9France (Bourgogne) Stereorhachis dominans (80716)
Missourian305.9 - 303.4USA (Colorado) Ianthasaurus sp., Limnoscelis dynatis, Desmatodon hesperis (180938) Limnoscelis dynatis (77786)
Missourian305.9 - 303.4USA (Illinois) Reptilia indet., Clepsydrops sp., Cricotus gibsonii, Cricotus discophorus, Archaeobelus vellicatus, Clepsydrops collettii, Clepsydrops vinslovii, Clepsydrops pedunculatus, Captorhinus illinoisensis, Cricotus heteroclitus (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) Desmatodon hollandi, Edaphosaurus raymondi (180937) Edaphosaurus raymondi (80775)