Classification of the suborder Lepospondyli

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
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Microbrachis mollis Fritsch 1883
Microbrachis pelikani Fritsch 1875
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Invalid names: Microbrachis branchiophorus Fritsch 1883 [synonym]
Subor. †Microbrachomorpha Carroll and Gaskill 1978
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Fm. †Hyloplesiontidae Carroll and Gaskill 1978
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G. †Hyloplesion Fritsch 1883
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Hyloplesion longicostatum Fritsch 1875
Fm. †Odonterpetontidae Carroll and Gaskill 1978
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G. †Odonterpeton Moodie 1909
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Odonterpeton triangulare Moodie 1909
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
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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
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Lepterpeton dobbsii 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
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G. †Rhynchonkos Schulze and Foreman 1981
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Rhynchonkos stovalli Olson 1970
Fm. †Hapsidopareiidae Marjanović and Laurin 2019
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Invalid names: Hapsidopareiontidae Daly 1973 [replaced]
Fm. †Trihecatontidae Vaughn 1972
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G. †Trihecaton Vaughn 1972
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Trihecaton howardinus Vaughn 1972
Fm. †Tuditanidae Cope 1875
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G. †Boii Carroll 1966
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Boii crassidens Fritsch 1876
G. †Crinodon Carroll and Gaskill 1978
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Crinodon limnophyes Steen 1938
G. †Tuditanus Cope 1871
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Tuditanus punctulatus Cope 1875
G. †Utaherpeton Carroll et al. 1991
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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
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G. †Arizonerpeton Thayer 1985
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Arizonerpeton wellsi Thayer 1985
Fm. †Diplocaulidae Cope 1881
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G. †Batrachiderpeton Hancock and Atthey 1871
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Batrachiderpeton lineatum Hancock and Atthey 1869
Batrachiderpeton reticulatum Hancock and Atthey 1869
G. †Diceratosaurus Jaekel 1903
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Diploceraspis burkei Romer 1952
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Invalid names: Diploceraspis conemaughensis Romer 1952 [synonym]
G. †Hermundurichnus Walter and Werneburg 1988
G. †Keraterpeton Wright and Huxley 1866
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Keraterpeton galvani Huxley 1867
Keraterpeton gigas Fritsch 1889
Keraterpeton longtoni Carroll et al. 1998
Invalid names: Keraterpetontidae Jaekel 1903 [synonym]
Fm. †Scincosauridae Jaeckel 1909
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G. †Sauravus Thevenin 1906
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Sauravus cambrayi Carroll et al. 1998
Sauravus costei Thevenin 1906
G. †Scincosaurus Fric 1876
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Scincosaurus crassus Fritsch 1875
Scincosaurus spinosus Civet 1982
Fm. †Urocordylidae Lydekker 1889
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G. †Ctenerpeton Cope 1897
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Ctenerpeton primum Aldrich and Jones 1930
Ctenerpeton remex Cope 1868
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Invalid names: Ctenerpeton alveolatum Cope 1897 [synonym]
Subfm. †Sauropleurinae Carroll et al. 1998
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G. †Crossotelos Case 1902
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Crossotelos annulatus Case 1902
G. †Montcellia Dutuit and Heyler 1994
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Montcellia longidentata Moodie 1909
G. †Sauropleura Cope 1868
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Sauropleura bairdi Carroll et al. 1998
Sauropleura longicaudata Langiaux et al. 1974
Sauropleura scalaris Fritsch 1883
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Invalid names: Ptyonius bendai Fritsch 1901 [synonym], Ptyonius distinctus Fritsch 1901 [synonym]
Subfm. †Urocordylinae Carroll et al. 1998
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G. †Ptyonius Cope 1875
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Ptyonius marshi Cope 1869
Ptyonius marshii Cope 1869
Ptyonius nummifer Cope 1875
Ptyonius olisthmonaias Thayer 1985
Ptyonius serrula Cope 1871
G. †Urocordylus Wright and Huxley 1866
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Urocordylus angustatus Fritsch 1883
Urocordylus wandesfordii Huxley 1867
G. †Orthocosta Fritsch 1883
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Orthocosta microscopa Fritsch 1883
G. †Seelya Fritsch 1883
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Seelya pusilla Fritsch 1883