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Tetrapoda (tetrapod)

Taxonomy
Tetrapoda was named by Jaekel (1911). It is extant. It was considered monophyletic by Laurin et al. (2000).

It was reranked as the infraclass Tetrapoda by Nelson et al. (2016).

It was assigned to Vertebrata by Jaekel (1911); to Choanata by Gardiner (1982); to Stegocephali by Laurin et al. (2000); to Dipnotetrapodomorpha by Long (2011); to Tetrapodomorpha by Ahlberg (1991) and Clack et al. (2012); and to Sarcopterygii by Nelson et al. (2016).

Sister taxa
Reptiliomorpha

Synonyms
Synonymy list
YearName and author
1870Nothosaurops occiduus Leidy p. 74
1873Nothosaurus occiduus Leidy p. 287
1884Polyptychodon mackesoni Owen pp. I, vii figs. pls 27-28
1902Nothosaurops occiduus Hay p. 457
1903Nothosaurops occiduus Williston p. 10
1911Tetrapoda Jaekel p. 15
1926Saurichnium parallelum Gürich
1926Tetrapodium Gürich p. 117
1926Tetrapodium elmenhorsti Gürich p. 117
1930Champsosaurus occiduus Hay p. 133
1930Solidopus Moodie
1930Solidopus perissodactylus Moodie
1941Thecodontichnus Huene p. 5–6
1943Namuncurania malarguense Rusconi p. 2 fig. 1
1951Nasopus grimmi Leonardi p. 4 figs. Pl. II:8b, 9b
1951Thecodontichnus Leonardi p. 19
1952Limnosceloides Romer pp. 88-92 figs. 10-12
1952Limnosceloides dunkardensis Romer pp. 88-92 figs. 10-12
1958Thecodontichnus Kuhn p. 23
1963Tetrapodium Kuhn p. 88
1963Tetrapodium elmenhorsti Kuhn p. 88
1963Thecodontichnus Kuhn p. 88
1966Limnosceloides Langston p. 691
1966Limnosceloides brachycoles Langston p. 691 figs. 1-3
1967Romeriscus Baird and Carroll p. 57
1967Romeriscus periallus Baird and Carroll p. 57 figs. 1, 2B
1969Thecodontichnus Haubold p. 98
1971Thecodontichnus Haubold p. 64
1971Saurichnium parallelum Haubold p. 82
1971Tetrapodium Haubold p. 99
1971Tetrapodium elmenhorsti Haubold p. 99
1972Thecodontichnus Demathieu and Haubold p. 806
1974Austrobrachyops Colbert and Cosgriff
1974Austrobrachyops jenseni Colbert and Cosgriff p. 5 figs. 1, 4, 5, 8, 12
1974Thecodontichnus Haubold p. 40
1979Wangwusaurus Young
1979Wangwusaurus tayuensis Young
1980Thecodontichnus Tongiorgi p. 81
1982Tetrapoda Gardiner p. 228
1988Austrobrachyops Carroll
1988Limnosceloides Carroll
1988Romeriscus Carroll
1988Janusichnus Ceoloni et al.
1988Janusichnus bifrons Ceoloni et al.
1991Tetrapoda Ahlberg p. 280
2000Tetrapoda Laurin et al. p. 119 fig. 2b
2007Janusichnus Valentini et al.
2011Tetrapoda Long p. 244
2012Tetrapoda Clack et al. p. 74
2016Tetrapoda Nelson et al. p. 111

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Tetrapoda

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. Tetrapoda Jaekel 1911 [tetrapod]
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Fm. †Acanthostegidae Jarvik 1952
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G. †Acanthostega Jarvik 1952
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Acanthostega gunnari Jarvik 1952
Subor. †Aistopoda Miall 1875
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Fm. †Lethiscidae Wellstead 1982
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G. †Lethiscus Wellstead 1982
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Lethiscus stocki Wellstead 1982
Fm. †Oestocephalidae Anderson 2003
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G. †Oestocephalus Cope 1868
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Oestocephalus granulosum Fritsch 1880
Oestocephalus nanum Hancock and Atthey 1868
Oestocephalus vicinum Fritsch 1880
Fm. †Ophiderpetontidae Schwarz 1908
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G. †Coloraderpeton Vaughn 1969
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Coloraderpeton brilli Vaughn 1969
G. †Ophiderpeton Huxley 1866
+
+
Invalid names: Cercariomorphus parvisquamis Cope 1885 [synonym]
Ophiderpeton brownriggi Wright and Huxley 1871
Ophiderpeton kirktonense Milner 1994
Invalid names: Cercariomorphus Cope 1885 [synonym]
Fm. †Phlegethontiidae Cope 1875
+
G. †Dolichosoma Huxley and Wright 1867
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Dolichosoma emersoni Huxley and Wright 1867
Dolichosoma scutiferum Fritsch 1901
G. †Phlegethontia Cope 1871
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Phlegethontia longissima Fritsch 1875
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Invalid names: Aornerpeton mazonensis Gregory 1948 [synonym], Phlegethontia serpens Cope 1871 [synonym]
Invalid names: Aornerpeton Lund 1978 [synonym], Phlegethontia phanerhapha Thayer 1985 [nomen dubium]
G. †Sillerpeton Lund 1978
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Sillerpeton permianum Lund 1978
Invalid names: Dolichosomatidae Lydekker 1889 [synonym]
Fm. †Pseudophlegethontiidae Anderson 2003
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G. †Pseudophlegethontia Anderson 2003
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Cl. Amphibia Linnaeus 1758
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G. †Amphibiopodiscus Ellenberger 1970
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Amphibiopodiscus saltator Ellenberger 1970
G. †Amphisauropus Haubold 1970
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Amphisauropus kablikae Geinitz and Deichmüller 1982
Amphisauropus latus Haubold 1970
G. †Anthracopus Leidy 1879
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Or. †Anthracosauromorpha Ivakhnenko and Tverdokhlebova 1980
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Fm. †Enosuchidae Konzhukova 1955
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G. †Enosuchus Konzhukova 1955
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Enosuchus alveolatus Bulanov and Golubev 2019
Enosuchus breviceps Konzhukova 1955
G. †Kitiakia Bulanov and Golubev 2019
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Kitiakia firma Bulanov and Golubev 2019
Subcl. †Apsidospondyli Romer 1947
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Superor. †Labyrinthodontia Owen 1859
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G. †Chalcosaurus Meyer 1866
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Chalcosaurus lukjanovae Ivakhnenko 1980
Chalcosaurus rossicus Meyer 1866
G. †Corvipes Hitchcock 1858
G. †Eupleurodus Gürich 1884
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Eupleurodus sulcatus Gürich 1884
G. †Triaenopus Hitchcock 1845
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Triaenopus emmonsii Hitchcock 1841
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Invalid names: Sauroidichnites baileyi Hitchcock 1841 [synonym]
Triaenopus leptodactylus Hitchcock 1858
Triaenopus lulli Thorpe 1929
G. †Batrachichnus Woodworth 1900
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Batrachichnus obscurus Gilmore 1927
Batrachichnus parvus Gilmore 1927
Batrachichnus plainvillensis Woodworth 1900
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Invalid names: Batrachichnus delicatulus Lull 1918 [synonym], Hyloidichnus arnhardti Haubold 1973 [synonym]
G. †Batrachopodiscus Ellenberger 1970
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Batrachopodiscus curvus Ellenberger 1970
Batrachopodiscus likhoelensis Ellenberger 1970
Batrachopodiscus quthingensis Ellenberger 1970
Batrachopodiscus tsanatalani Ellenberger 1970
Unr. Campsichrotes Ritgen 1828
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Unr. Molgaei Ritgen 1828
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Unr. Uromolgaei Ritgen 1828
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Unr. Pneumaturomolgaei Ritgen 1828
Subcl. Euamphibia Kuhn 1946
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Invalid names: Caecilia Duméril 1807 [empty]
G. †Lehahichnus Ellenberger 1970
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Lehahichnus coquinaris Ellenberger 1970
Unr. †Lepospondyli von Zittel 1887
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Fm. †Acherontiscidae Carroll 1967
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G. †Acherontiscus Carroll 1969
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Acherontiscus caledoniae Carroll 1969
Unr. †Microsauria Dawson 1863
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G. †Altenglanerpeton Glienke 2012
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G. †Amblyodon Dawson 1882
G. †Archerpeton Carroll 1964
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Invalid names: Archerpeton anthracos Carroll 1964 [nomen dubium]
G. †Barillopus Matthew 1903
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Barillopus arctus Matthew 1904
Barillopus confusus Matthew 1904
Barillopus unguifer Matthew 1903
G. †Cymatorhiza Olson and Barghusen 1962
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Cymatorhiza kittsi Olson and Barghusen 1962
G. †Dromillopus Matthew 1904
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Dromillopus celer Matthew 1903
Dromillopus obtusus Matthew 1904
Dromillopus quadrifidus Matthew 1904
G. †Eurythorax Cope 1871
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Eurythorax sublaevis Cope 1871
Fm. †Hylonomidae Fritsch 1883
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G. †Smilerpeton Dawson 1882
G. †Hyphasma Cope 1875
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Hyphasma laevis Cope 1875
Fm. †Microbrachidae Fritsch 1883
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G. †Microbrachis Fric 1876
Subor. †Microbrachomorpha Carroll and Gaskill 1978
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Fm. †Hyloplesiontidae Carroll and Gaskill 1978
Fm. †Odonterpetontidae Carroll and Gaskill 1978
G. †Novascoticus Carroll 1966
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Novascoticus multidens Dawson 1882
G. †Ornithoides Matthew 1903
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Ornithoides adamsi Matthew 1904
Ornithoides trifidus Dawson 1895
G. †Paramicrobrachis Kuhn 1959
+
G. †Pariostegus Cope 1868
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Pariostegus myops Cope 1868
Fm. †Ptyoniidae Cope 1875
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G. †Lepterpeton Wright and Huxley 1866
G. †Puertollanopus Soler-Gijón and Moratalla 2001
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Puertollanopus omicrodactylus Soler-Gijón and Moratalla 2001
G. †Saxonerpeton Carroll and Gaskill 1978
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Saxonerpeton geinitzi Credner 1890
G. †Stenichnus Gilmore 1927
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Stenichnus yakiensis Gilmore 1927
G. †Thyrsidium Cope 1875
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Subor. †Tuditanomorpha Carroll and Gaskill 1978
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Fm. †Goniorhynchidae Carroll and Gaskill 1978
Fm. †Hapsidopareiidae Marjanović and Laurin 2019
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Invalid names: Hapsidopareiontidae Daly 1973 [replaced]
Fm. †Trihecatontidae Vaughn 1972
Fm. †Tuditanidae Cope 1875
G. †Utaherpeton Carroll et al. 1991
+
Utaherpeton franklini Carroll et al. 1991
Invalid names: Haplosauri Jaekel 1911 [empty], Protritonidae Nicholson and Lydekker 1889 [empty], Sauropleuridae Hay 1902 [empty], Urosauri Jaekel 1911 [empty]
Unr. †Nectridea Miall 1875
+
G. †Arizonerpeton Thayer 1985
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Arizonerpeton wellsi Thayer 1985
Fm. †Diplocaulidae Cope 1881
+
G. †Batrachiderpeton Hancock and Atthey 1871
G. †Diceratosaurus Jaekel 1903
G. †Hermundurichnus Walter and Werneburg 1988
G. †Keraterpeton Wright and Huxley 1866
Invalid names: Keraterpetontidae Jaekel 1903 [synonym]
Fm. †Scincosauridae Jaeckel 1909
+
G. †Sauravus Thevenin 1906
G. †Scincosaurus Fric 1876
Fm. †Urocordylidae Lydekker 1889
+
G. †Ctenerpeton Cope 1897
Subfm. †Sauropleurinae Carroll et al. 1998
Subfm. †Urocordylinae Carroll et al. 1998
G. †Orthocosta Fritsch 1883
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Orthocosta microscopa Fritsch 1883
G. †Seelya Fritsch 1883
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Seelya pusilla Fritsch 1883
G. †Limnopus Marsh 1894
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Limnopus littoralis Marsh 1894
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Invalid names: Baropus lentus Marsh 1894 [synonym]
Limnopus mcnaughtoni Matthew 1903
Limnopus vagus Marsh 1894
Limnopus zeilleri Delage 1912
Invalid names: Baropus Marsh 1894 [synonym], Thenaropus King 1845 [synonym]
G. †Matthewichnus Haubold 1970
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Matthewichnus caudifer Kohl and Bryan 1994
G. †Palaeoherpeton Panchen 1970
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Palaeoherpeton decorum Watson 1926
Invalid names: Palaeogyrinus Watson 1926 [replaced]
G. †Quadropedia Aldrich and Jones 1930
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Quadropedia prima Aldrich and Jones 1930
G. †Ruecklinichnium Kuhn 1958
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Or. †Temnospondyli von Zittel 1887
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G. †Anthichnium Nopcsa 1923
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Anthichnium ichnops Nopcsa 1923
Anthichnium obtusus Matthew 1904
Anthichnium quadratum Matthew 1904
Unr. †Archegosauriformes Schoch and Milner 2000
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Fm. †Actinodontidae Lydekker 1885
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G. †Chelydosaurus Fritsch 1885
G. †Syndyodosuchus Konzhukova 1956
Fm. †Intasuchidae Konzhukova 1956
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G. †Intasuchus Konzhukova 1956
Superfm. †Archegosauroidea von Meyer 1857
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Fm. †Archegosauridae von Meyer 1857
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G. †Bashkirosaurus Gubin 1981
G. †Collidosuchus Gubin 1986
G. †Kashmirosaurus Werneburg and Schneider 1996
Subfm. †Melosaurinae Fritsch
Subfm. †Platyoposaurinae Gubin 1991
G. †Platyoposaurus Lydekker 1889
G. †Platyops Twelvetrees 1880
Subfm. †Tryphosuchinae Golubev 1995
Invalid names: Archegosaurinae Lydekker 1885 [empty], Platyposaurinae Lydekker 1889 [empty]
Invalid names: Melosauridae Fritsch 1885 [empty]
G. †Baropezia Matthew 1903
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Baropezia eakini Gilmore 1926
Baropezia sydnensis Dawson 1891
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Invalid names: Baropezia abscissa Matthew 1904 [synonym]
G. †Capetus Steen 1938
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Capetus palustris Steen 1938
Superfm. †Edopoidea Romer 1945
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Fm. †Cochleosauridae Broili 1923
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G. †Adamanterpeton Milner and Sequeira 1998
G. †Chenoprosopus Mehl 1913
G. †Cochleosaurus Fritsch 1885
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Invalid names: Gaudrya Fritsch 1885 [synonym], Nyrania Fritsch 1885 [synonym]
G. †Nigerpeton Sidor et al. 2005
G. †Procochleosaurus Sequeira 1996
Invalid names: Chenoprosopidae Langston 1953 [synonym], Cochleosaurinae Broili 1923 [empty], Nyraniidae Lydekker 1889 [synonym]
Fm. †Edopidae
+
G. †Edops Romer 1936
Superfm. †Edopsoidea Romer 1945
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Invalid names: Batrachichnidae Haubold 1970 [empty]
G. †Episcopopus Ellenberger 1970
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Episcopopus ventrosus Ellenberger 1970
G. †Eurycervix Huene 1902
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Eurycervix posthumus Huene 1902
Unr. †Euskelia Yates and Warren 2000
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Superfm. †Eryopoidea Säve-Söderbergh 1935
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G. †Parabaropus Gilmore 1927
Invalid names: Parioxyidae Moustafa 1955 [empty]
Unr. †Eutemnospondyli Schoch 2013
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G. †Balanerpeton Milner and Sequeira 1994
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Balanerpeton woodi Milner and Sequeira 1994
Fm. †Dendrerpetidae Fritsch 1885
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G. †Dendrerpeton Owen 1853
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Invalid names: Erpetocephalus Huxley 1867 [synonym]
G. †Dendrysekos Steen 1934
G. †Platystegos Dawson 1895
Unr. †Rhachitomi Cope 1882
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Unr. †Dissorophoidea Bolt 1969
Unr. †Dvinosauria Warren 1998
Unr. †Eryopiformes Schoch 2013
G. †Macrerpeton Moodie 1909
G. †Macromerium Lydekker 1890
G. †Perryella Carlson 1987
G. †Potamochoston Steen 1938
G. †Sparagmites Fritsch 1885
Fm. †Zatracheidae Williston 1910
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Invalid names: Acanthostomatidae Steen [synonym]
Invalid names: Micropholoidea Romer 1947 [empty]
G. †Hemiprichisaurus Kuhn 1939
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G. †Hylopus Dawson 1894
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Hylopus hardingi Dawson 1895
Hylopus logani Dawson 1894
Hylopus minor Dawson 1895
Hylopus variabilis Matthew 1910
Unr. Lissamphibia Haeckel 1866
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Fm. †Albanerpetontidae Fox and Naylor 1982
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G. †Albanerpeton Estes and Hoffstetter 1976
G. †Anoualerpeton Gardner et al. 2003
G. †Celtedens McGowan and Evans 1995
G. †Nukusurus Nessov 1981
G. †Shirerpeton Matsumoto and Evans 2018
G. †Wesserpeton Sweetman and Gardner 2013
G. †Yaksha Daza et al. 2020
Unr. Batrachia Macartney 1802
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Unr. Caudata Scopoli 1777 [salamander]
Or. Salientia Laurenti 1768 [frogs and relatives]
Invalid names: Gymnophidia Cope 1869 [empty], Trachystomata [empty]
Unr. Gymnophionomorpha Marjanović and Laurin 2008
+
G. †Eocaecilia Jenkins and Walsh 1993
G. †Funcusvermis Kligman et al. 2023
Or. Gymnophiona Rafinesque 1814 [caecilian]
G. †Rubricacaecilia Evans and Sigogneau-Russell 2001
Invalid names: Allocaudata Fox and Naylor 1982 [empty], Paratoidea Gardiner 1982 [empty]
Fm. †Lysipterygiidae Branson 1935
+
G. †Lysipterygium Branson 1935
+
Lysipterygium risinense Wadia and Swinton 1928
+
Invalid names: Lysipterygium detarrai Branson 1935 [synonym]
G. †Megapezia Matthew 1903
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Megapezia pineoi Matthew 1903
G. †Miobatrachus Watson 1941
+
Miobatrachus romeri Watson 1941
G. †Nanopus Marsh 1894
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Nanopus caudatus Marsh 1894
Nanopus reidiae Haubold et al. 2005
Nanopus vetustus Matthew 1910
Invalid names: Allopus Marsh 1894 [synonym]
G. †Orthosauriscus Kuhn 1933
G. †Palaeosauropus Hay 1902
+
Palaeosauropus antiquior Dawson 1882
Palaeosauropus triasicus Biron and Dutuit 1981
Invalid names: Sauropus Lea 1849 [replaced]
G. †Palatinerpeton Boy 1996
+
G. †Pleuronoura Gaudry 1879
+
Invalid names: Pleuronoura pellati Schoch and Milner 2014 [nomen dubium]
G. †Porierpeton Fritsch 1885
+
Invalid names: Porierpeton nitens Fritsch 1885 [nomen dubium]
Superfm. †Rhinesuchoidea
+
Invalid names: Peltobatrachidae Kuhn 1960 [empty]
G. †Rileymillerus Bolt and Chatterjee 2000
+
Rileymillerus cosgriffi Bolt and Chatterjee 2000
G. †Saharastega Sidor et al. 2005
+
Saharastega moradiensis Sidor et al. 2005
G. †Temnocorpichnus Lucas et al. 2010
+
Temnocorpichnus isaacleai Lucas et al. 2010
Invalid names: Almasauroidea [empty], Arkanserpeton Lane 1932 [nomen dubium], Arkanserpeton arcuatum Lane 1932 [nomen dubium], Colosteoidea [empty], Hesperoherpeton Peabody 1958 [nomen dubium], Ichthyostegalia Save-Soderbergh 1932 [empty], Labyrinthodon laniarius Owen 1842 [nomen vanum], Labyrinthodon pachygnathus Owen 1841 [nomen vanum], Labyrinthodon ventricosus Owen 1841 [nomen vanum], Limnarchia Yates and Warren 2000 [empty], Otuminisaurus Rusconi 1948 [nomen dubium], Otuminisaurus limensis Rusconi 1948 [nomen dubium], Petrophryne major Owen 1876 [nomen dubium], Phrynosuchus Broom 1913 [nomen dubium], Phrynosuchus whaitsi Broom 1913 [nomen dubium], Ptychosphenodon Seeley 1907 [nomen dubium], Ptychosphenodon browni Seeley 1907 [nomen dubium], Saurischiocomes Kuhn 1939 [nomen dubium], Saurischiocomes keuperinus Kuhn 1939 [nomen dubium], Syphonodon Seeley 1908 [nomen dubium], Syphonodon thecomastodon Seeley 1908 [nomen dubium], Zatrachys conchigerus Cope 1896 [nomen dubium]
Subcl. Urodelomorpha Huene 1948
+
Invalid names: Pseudocentrophori Huene 1954 [empty]
Invalid names: Phractamphibia Haeckel 1866 [empty], Sterrichrotes Ritgen 1828 [empty], Strepsichrotes Ritgen 1828 [empty]
G. †Antlerpeton Thomson et al. 1998
+
Antlerpeton clarkii Thomson et al. 1998
G. †Aytonerpeton Clack et al. 2016
+
Aytonerpeton microps Clack et al. 2016
Superfm. †Baphetoidea Cope 1875
+
Fm. †Baphetidae Cope 1875
+
Subfm. †Baphetinae Cope 1875
+
G. †Baphetes Owen 1854
+
Baphetes kirkbyi Watson 1929
+
Invalid names: Baphetes latirostris Watson 1929 [objective synonym]
Baphetes orientalis Milner et al. 2009
Baphetes planiceps Owen 1854
Invalid names: Baphetes minor Dawson 1870 [nomen dubium]
Invalid names: Loxommatidae Watson 1917 [objective synonym]
G. †Eucritta Clack 1998
+
Fm. †Spathicephalidae Beaumont 1977
+
G. †Spathicephalus Watson 1928
+
Spathicephalus marsdeni Smithson et al. 2017
Spathicephalus mirus Watson 1929
Spathicephalus pereger Baird 1962
G. †Brittagnathus Ahlberg and Clack 2020
+
Brittagnathus minutus Ahlberg and Clack 2020
+
G. †Caerorhachis Holmes and Carroll 1977
+
Caerorhachis bairdi Holmes and Carroll 1977
G. †Casineria Paton et al. 1999
+
Casineria kiddi Paton et al. 1999
G. †Characichnos Whyte and Romano 2001
+
Characichnos tridactylus Whyte and Romano 2001
Subor. †Chroniosuchia Tatarinov 1972
+
Fm. †Bystrowianidae Vjushkov 1957
+
Subfm. †Axitectinae Shishkin et al. 2014
+
G. †Axitectum Shishkin and Novikov 1992
+
Axitectum georgi Novikov and Shishkin 2000
Axitectum vjushkovi Shishkin and Novikov 1992
+
Invalid names: Axitectum blomi Shishkin and Novikov 1992 [synonym], Axitectum blomi Shishkin and Novikov 1992 [synonym]
Axitectum vjushkovi Shishkin and Novikov 1992
+
Invalid names: Axitectum blomi Shishkin and Novikov 1992 [synonym], Axitectum blomi Shishkin and Novikov 1992 [synonym]
Subfm. †Bystrowianinae Vjuschkov 1957
+
G. †Bystrowiana Vjuschkov 1957
+
Bystrowiana permica Vjushkov 1957
Bystrowiana sinica Young 1979
G. †Bystrowiella Witzmann et al. 2008
+
Bystrowiella schumanni Witzmann et al. 2008
G. †Synesuchus Novikov and Shishkin 2000
+
Synesuchus muravjevi Novikov and Shishkin 2000
G. †Vyushkoviana Shishkin et al. 2014
+
Vyushkoviana operta Shishkin et al. 2014
G. †Yumenerpeton Jiang et al. 2017
+
Yumenerpeton yangi Jiang et al. 2017
Subfm. †Dromotectinae Shishkin et al. 2014
+
G. †Dromotectum Novikov and Shishkin 2000
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Dromotectum abditum Shishkin et al. 2014
Dromotectum largum Liu et al. 2014
Dromotectum spinosum Novikov and Shishkin 2000
G. †Hassiacoscutum Witzmann et al. 2019
+
Hassiacoscutum munki Witzmann et al. 2019
G. †Jiyuanitectum Liu et al. 2014
+
Jiyuanitectum flatum Liu et al. 2014
Fm. †Chroniosuchidae Vjushkov 1957
+
G. †Chroniosaurus Tverdokhlebova 1972
+
Chroniosaurus dongusensis Tverdochlebova 1972
+
Invalid names: Jugosuchus boreus Ivakhnenko 1980 [synonym], Jugosuchus hartmanni Ivakhnenko 1980 [synonym]
Chroniosaurus levis Golubev 1998
G. †Chroniosuchus Vjuschkov 1957
+
Chroniosuchus licharevi Riabinin 1962
Chroniosuchus paradoxus Vjushkov 1957
Chroniosuchus vjuschkovi Tverdochlebova 1967
Invalid names: Jugosuchus Riabinin 1962 [synonym]
G. †Ingentidens Li and Cheng 1999
+
Invalid names: Ingentidens corridoricus Li and Cheng 1999 [nomen dubium]
G. †Jarilinus Golubev 1998
+
Jarilinus mirabilis Vjuschkov 1957
G. †Madygenerpeton Schoch et al. 2010
+
Madygenerpeton pustulatus Schoch et al. 2010
G. †Phratochronis Li and Cheng 1999
+
Invalid names: Phratochronis qilianensis Li and Cheng 1999 [nomen dubium]
G. †Suchonica Golubev 1999
+
Suchonica vladimiri Golubev 1999
G. †Uralerpeton Golubev 1998
+
G. †Laosuchus Arbez et al. 2019
+
Laosuchus hun Liu and Chen 2021
Laosuchus naga Arbez et al. 2019
G. †Collettosaurus Cox 1874
+
Invalid names: Notamphibia Butts 1891 [synonym]
Fm. †Colosteidae Cope 1875
+
G. †Colosteus Cope 1869
+
Colosteus scutellatus Cope 1869
+
Invalid names: Colosteus crassiscutatus Cope 1869 [synonym]
G. †Deltaherpeton Bolt and Lombard 2010
+
Deltaherpeton hiemstrae Bolt and Lombard 2010
G. †Greererpeton Romer 1969
+
G. †Ichthyerpeton Huxley 1867
+
Ichthyerpeton squamosum Moodie 1909
Invalid names: Ichthyerpeton bradleyae Huxley 1867 [nomen dubium]
G. †Pholidogaster Huxley 1862
+
+
Invalid names: Otocratia modesta Watson 1929 [objective synonym]
Invalid names: Pholidogasteridae Watson 1917 [objective synonym]
Fm. †Crassigyrinidae Huene 1948
+
G. †Crassigyrinus Watson 1926
+
Crassigyrinus scoticus Watson 1929
+
Invalid names: Macromerium scoticum Lydekker 1890 [objective synonym]
G. †Crucipes Butts 1891
+
Crucipes parva Butts 1891
G. †Diploradus Clack et al. 2016
+
Diploradus austiumensis Clack et al. 2016
G. †Dipodiscus Ellenberger 1970
+
Dipodiscus dubius Ellenberger 1970
Dipodiscus insecctivorus Ellenberger 1970
Dipodiscus pokanensis Ellenberger 1970
Dipodiscus priscus Ellenberger 1970
Dipodiscus saltator Ellenberger 1970
G. †Doragnathus Smithson 1980
+
Doragnathus woodi Smithson 1980
G. †Eldeceeon Smithson 1993
+
Eldeceeon rolfei Smithson 1993
Subor. †Embolomeri
+
Fm. †Anthracosauridae Cope 1875
+
G. †Anthracosaurus Huxley 1863
+
Anthracosaurus lancifer Newberry 1856
Anthracosaurus russelli Huxley 1863
G. †Eobaphetes Moodie 1916
+
Eobaphetes kansensis Moodie 1911
Superfm. †Anthracosauroidea Cope 1872
+
Fm. †Cricotidae Cope 1884
+
G. †Cricotillus Case 1902
+
Fm. †Eogyrinidae Watson 1929
+
G. †Aversor Gubin 1985
+
Aversor dmitrievi Gubin 1985
G. †Calligenethlon Steen 1934
+
Calligenethlon watsoni Steen 1934
G. †Carbonoherpeton Klembara 1985
G. †Diplovertebron Fritsch 1879
+
Diplovertebron punctatum Fritsch 1879
G. †Leptophractus Cope 1873
+
G. †Neopteroplax Romer 1963
+
Neopteroplax relictus Romer 1963
G. †Nummulosaurus Fritsch 1901
+
Nummulosaurus kolbii Fritsch 1900
G. †Pholiderpeton Huxley 1869
+
Pholiderpeton attheyi Watson 1926
Pholiderpeton scutigerum Huxley 1869
Invalid names: Eogyrinus Watson 1926 [synonym]
G. †Pteroplax Hancock and Atthey 1868
+
Pteroplax cornutus Hancock and Atthey 1868
Invalid names: Otocratiidae Watson 1926 [empty], Palaeogyrinidae Watson 1926 [empty]
G. †Seroherpeton Chen and Liu 2020
+
Seroherpeton yangquanensis Chen and Liu 2020
Invalid names: Loxommatoidea Watson 1926 [empty]
G. †Erpetopus Moodie 1929
+
Erpetopus willistoni Moodie 1929
+
Invalid names: Microsauropus acutipes Moodie 1929 [synonym], Microsauropus clarki Moodie 1929 [synonym], Microsauropus orthodactylus Moodie 1930 [synonym], Microsauropus parvus Moodie 1930 [synonym]
Cl. †Hemispondyla Jaekel 1909
+
Invalid names: Acanthostomi Jaekel 1911 [empty], Plagiosterni Jaekel 1911 [empty], Sclerocephali Jaekel 1911 [empty], Trematocephali Jaekel 1911 [empty]
G. †Kirktonecta Clack 2011
+
Kirktonecta milnerae Clack 2011
G. †Koilops Clack et al. 2016
+
Koilops herma Clack et al. 2016
G. †Laoporus Lull 1918
+
Barypodus gravis junior Schmidt 1959
Laoporus ambiguus Jardine 1853
Laoporus coloradensis Henderson 1924
Laoporus gravis Schmidt 1959
+
Barypodus gravis major Schmidt 1959
Laoporus matheri Gilmore 1926
Laoporus maximus Gilmore 1927
Laoporus medius Gilmore 1927
Laoporus merriami Gilmore 1926
Laoporus metszeri Gilmore 1927
Laoporus noblei Lull 1918
Laoporus palmatus Gilmore 1926
Laoporus schucherti Lull 1918
Laoporus tridactylus Gilmore 1927
Invalid names: Agostopus Gilmore 1926 [synonym], Barypodus Gilmore 1926 [synonym], Palaeopus Gilmore 1926 [synonym]
G. †Lunaepes Demathieu and Gand 1995
+
Lunaepes fragilis Demathieu and Gand 1995
Lunaepes ollierorum Gand et al. 2000
G. †Merifontichnus Gand et al. 2000
+
Merifontichnus thalerius Gand et al. 2000
G. †Mesanerpeton Smithson and Clack 2018
+
Mesanerpeton woodi Smithson and Clack 2018
G. †Microsauropus Moodie 1929
G. †Ossirarus Clack et al. 2016
+
Ossirarus kierani Clack et al. 2016
G. †Paleosauropus Lea 1849
G. †Parmastega Beznosov et al. 2019
+
Parmastega aelidae Beznosov et al. 2019
G. †Perittodus Clack et al. 2016
+
Perittodus apsconditus Clack et al. 2016
G. †Reniformichnus Krummeck and Bordy 2017
+
Reniformichnus katikatii Krummeck and Bordy 2017
Unr. Reptiliomorpha Säve-Söderbergh 1934
+
Unr. Anthracosauria Säve-Söderbergh 1934
+
Subcl. †Amphibiosauria Kuhn 1967
+
Invalid names: Batrachosauria Efremov 1946 [replaced]
Subor. †Diplomeri Romer 1964
+
Invalid names: Diplovertebrontidae [empty]
Unr. †Embolomera Cope 1880
+
Fm. †Archeriidae Kuhn 1965
+
G. †Cricotus Cope 1875
G. †Spondylerpeton Moodie 1912
+
G. †Eoherpeton Panchen 1975
+
Eoherpeton watsoni Panchen 1975
Subor. †Gephyrostegida
+
Fm. †Gephyrostegidae Jaekel 1909
+
G. †Bruktererpeton Boy and Bandel 1973
G. †Eusauropleura Romer 1930
G. †Gephyrostegus Jaekel 1902
Fm. †Proterogyrinidae Romer 1970
+
G. †Papposaurus Watson 1914
+
Papposaurus traquairi Watson 1914
G. †Proterogyrinus Romer 1970
+
+
Invalid names: Mauchchunkia bassa Hotton, III 1970 [synonym]
Invalid names: Mauchchunkia Hotton, III 1970 [synonym]
Invalid names: Anthracosaurida [synonym], Gephyrostegoidea [empty], Mauchchunkiidae Hotton, III 1970 [empty], Schizomeri Romer 1964 [empty], Seymouriamorphoidea [empty]
G. †Sigournea Bolt and Lombard 2006
+
Sigournea multidentata Bolt and Lombard 2006
G. †Silvanerpeton Clack 1994
+
G. †Solenodonsaurus Broili 1924
+
G. †Tambachichnium Müller 1954
+
Tambachichnium schmidti Müller 1954
G. †Tantallognathus Chen et al. 2018
+
Tantallognathus woodi Chen et al. 2018
G. †Theriodesmus Seeley 1888
+
Theriodesmus phylarchus Seeley 1888
G. †Typopus Hitchcock 1845
+
Typopus abnormis Hitchcock 1844
Typopus gracilis Hitchcock 1858
G. †Westlothiana Smithson and Rolfe 1990
+
Westlothiana lizziae Smithson and Rolfe 1990
Fm. †Whatcheeriidae Clack 2002
+
G. †Occidens Clack and Ahlberg 2004
+
Occidens portlocki Clack and Ahlberg 2004
G. †Ossinodus Warren and Turner 2004
+
Ossinodus pueri Warren and Turner 2004
G. †Pederpes Clack 2002
+
Pederpes finneyae Clack 2002
G. †Whatcheeria Lombard and Bolt 1995
+
Whatcheeria deltae Lombard and Bolt 1995
Invalid names: Austrobrachyops Colbert and Cosgriff 1974 [nomen dubium], Austrobrachyops jenseni Colbert and Cosgriff 1974 [nomen dubium], Janusichnus Ceoloni et al. 1988 [nomen dubium], Janusichnus bifrons Ceoloni et al. 1988 [nomen dubium], Limnosceloides Romer 1952 [nomen dubium], Limnosceloides brachycoles Langston 1966 [nomen dubium], Limnosceloides dunkardensis Romer 1952 [nomen dubium], Miosauria Jaekel 1911 [empty], Namuncurania malarguense Rusconi 1943 [nomen vanum], Nasopus grimmi Leonardi 1951 [nomen dubium], Nothosaurops occiduus Leidy 1870 [nomen vanum], Plesiosaurus vaccinsulensis Cope 1876 [nomen vanum], Polyptychodon mackesoni Owen 1884 [nomen vanum], Romeriscus Baird and Carroll 1967 [nomen dubium], Romeriscus periallus Baird and Carroll 1967 [nomen dubium], Saurichnium parallelum Gürich 1926 [nomen dubium], Solidopus Moodie 1930 [nomen dubium], Solidopus perissodactylus Moodie 1930 [nomen dubium], Tetrapodium Gürich 1926 [nomen dubium], Thecodontichnus Huene 1941 [nomen dubium], Wangwusaurus Young 1979 [nomen dubium], Wangwusaurus tayuensis Young 1979 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 100000 kgg
Minimum body mass: 3 gg
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:19
Modified: 2017-04-17 15:15:19
Source: g = genus, c = class, subp = subphylum, uc = unranked clade
References: Hopson 1973, Carroll 1988, Hendy et al. 2009, Holman 2000, Peczkis 1995, Legendre 1988

Age range

Maximum range based only on fossils: base of the Ludlow to the top of the Holocene or 427.40000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 423.0 Ma

Collections (44288 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ludlow427.4 - 423.0United Kingdom (Wales) Keilorites sp. (74805)
Famennian372.2 - 358.9Russian Federation (Komi) Parmastega aelidae (205829)
Famennian372.2 - 358.9Greenland Acanthostega gunnari (176216)
Late/Upper Famennian364.7 - 360.7Russian Federation (Tula) Tetrapoda indet. (225666)
Late/Upper Famennian364.7 - 360.7Greenland (Gauss Peninsula) Acanthostega gunnari, Brittagnathus minutus (208696)
Tournaisian358.9 - 346.7United Kingdom (Scotland) Aytonerpeton microps (183474) Diploradus austiumensis (195789) Mesanerpeton woodi (195401) Ossirarus kierani (195788) Perittodus apsconditus, Diploradus austiumensis (183473) Perittodus apsconditus, Koilops herma (194781)
Tournaisian358.9 - 346.7Canada (Nova Scotia) Acanthostegidae indet., Embolomeri indet., Tetrapoda indet., Whatcheeriidae indet., Crassigyrinidae indet. (200573)
Tournaisian - Visean358.9 - 330.9United Kingdom (Scotland) Tantallognathus woodi (195402)
Tournaisian - Visean358.9 - 330.9United Kingdom (Northern Ireland) Occidens portlocki (173986)
Mississippian358.9 - 323.2USA (Pennsylvania) Batrachichnus sp., Temnocorpichnus isaacleai, Paleosauropus primaevus (197984)
Mississippian358.9 - 323.2USA (Virginia) Dromopus aduncus (104796)
Carboniferous358.9 - 298.9USA (Ohio) Palodromeus bairdi (231929)
Carboniferous358.9 - 298.9USA (West Virginia) Hylopus hamesi (125942)
Carboniferous358.9 - 298.9Chile (Copiapó) Tetrapoda indet. (224017)
Tournaisian - Gzhelian358.9 - 298.9United Kingdom (Scotland) Matthewichnus sp., Pseudobradypus sp. (27703)
Ivorian353.8 - 346.7United Kingdom (Scotland) Pederpes finneyae (106270)
Holkerian - Asbian346.7 - 336.0United Kingdom (Scotland) Lethiscus stocki (140937)
Visean346.7 - 330.9USA (Missouri) Colosteidae indet. (176234)
Visean346.7 - 330.9USA (Nevada) Antlerpeton clarkii (176121)
Visean346.7 - 330.9Germany Temnospondyli indet. (218108)