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Archelosauria
Taxonomy
Archelosauria was named by Crawford (2015).
It was assigned to Diapsida by Wolniewicz et al. (2023); and to Archosauromorpha by Jenkins et al. (2026).
It was assigned to Diapsida by Wolniewicz et al. (2023); and to Archosauromorpha by Jenkins et al. (2026).
Subtaxa
Entered
by E. Vlachos on 2023-08-12
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Archelosauria Crawford |
| 2023 | Archelosauria Wolniewicz et al. |
| 2026 | Archelosauria Jenkins et al. |
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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. †Archelosauria Crawford 2015
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Unr. Pantestudines Joyce et al. 2004
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Unr. Testudinata Oppel 1811 [turtle]
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G. †Ancyropus Hitchcock 1845
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†Ancyropus heteroclitus Hitchcock 1841
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Invalid names: Sauroidichnites jacksoni Hitchcock 1841 [synonym]
Fm. †Australochelyidae Gaffney and Kitching 1994
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G. †Chengyuchelys Young and Chow 1953
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†Chengyuchelys baenoides Young and Chow 1953
†Chengyuchelys latimarginalis Young and Chow 1953
†Chengyuchelys zigongensis Yeh 1982
G. †Emydhipus Fuentes Vidarte et al. 2003
Or. †Eunotosauria Watson 1917
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Invalid names: Eunotosauridae Nopcsa 1923 [empty], Eunotosauroidea Nopcsa 1928 [empty]
G. †Helcura Hitchcock 1848
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†Helcura anguinea Hitchcock 1858
†Helcura caudata Hitchcock 1858
†Helcura littoralis Hitchcock 1848
†Helcura surgens Hitchcock 1858
Unr. †Helochelydridae Nopcsa 1928
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G. †Helochelydra Nopcsa 1928
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†Helochelydra anglica Lydekker 1889
†Helochelydra bakewelli Mantell 1833
†Helochelydra nopcsai Lapparent de Broin and Murelaga 1999
G. †Tretosternon Owen 1842
Invalid names: Solemydidae Lapparent de Broin and Murelaga 1996 [objective synonym]
G. †Kallokibotion Nopcsa 1923
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†Kallokibotion bajazidi Nopcsa 1923
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Invalid names: Kallokibotion magnificum Nopcsa 1923 [synonym], Thalassodromeus sebesensis Grellet-Tinner and Codrea 2015 [synonym]
Unr. †Mesochelydia Joyce 2017
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Unr. †Paracryptodira Gaffney 1975
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Fm. †Baenidae Cope 1882
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Subfm. †Baeninae Cope 1882
Unr. †Baenodda Gaffney 1972
G. †Edowa Adrian et al. 2023
G. †Eubaena Hay 1908
G. †Gehennachelys Adrian et al. 2023
G. †Hayemys Gaffney 1972
G. †Lakotemys Joyce et al. 2020
G. †Peckemys Lyson and Joyce 2009
G. †Probaena Hay 1903
G. †Protobaena Joyce and Lyson 2015
G. †Stygiochelys Gaffney and Hiatt 1971
G. †Thescelus Hay 1908
G. †Trinitichelys Gaffney 1972
Invalid names: Baena platyplastra Gilmore 1915 [nomen dubium], Hayemydinae Gaffney 1972 [empty], Thescelus hemispherica Gilmore 1935 [nomen dubium], Trinitichelyinae Gaffney 1972 [empty]
Fm. †Compsemydidae Pérez-García et al. 2015
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G. †Berruchelus Pérez-García 2012
G. †Peltochelys Dollo 1884
G. †Tongemys Joyce et al. 2022
G. †Compsemys Leidy 1856
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†Compsemys victa Leidy 1856
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Invalid names: Compsemys parva Hay 1910 [synonym], Compsemys puercensis Gilmore 1919 [synonym], Compsemys torrejonensis Gilmore 1919 [synonym], Compsemys vafer Hay 1910 [synonym]
Invalid names: Emys obscurus Leidy 1856 [nomen dubium], Glyptops depressus Hay 1908 [nomen dubium]
Fm. †Pleurosternidae Cope 1868
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G. †Ballerstedtia Karl et al. 2012
G. †Desmemys Wegner 1911
G. †Dinochelys Gaffney 1979
G. †Dorsetochelys Evans and Kemp 1976
G. †Glyptops Marsh 1890
G. †Pleurosternon Owen 1853
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Invalid names: Digerrhum Cope 1870 [synonym], Mesochelys Evans and Kemp 1975 [synonym]
G. †Riodevemys Pérez-García et al. 2015
G. †Selenemys Pérez-García and Ortega 2011
G. †Toremys Pérez-García et al. 2015
G. †Uluops Carpenter and Bakker 1990
Invalid names: Desmemydinae Nopcsa 1928 [empty]
Invalid names: Desmemys bertelmanni Wegner 1911 [nomen dubium], Glyptops caelatus Hay 1908 [nomen dubium], Glyptops pervicax Hay 1908 [nomen dubium], Polythorax Cope 1876 [nomen dubium], Polythorax missuriensis Cope 1876 [nomen dubium], Probaena sculpta Hay 1903 [nomen dubium]
Unr. †Perichelydia Joyce 2017
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Unr. †Meiolaniformes Sterli and de la Fuente 2013
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G. †Chubutemys Gaffney et al. 2007
G. †Otwayemys Gaffney et al. 1998
G. †Patagoniaemys Sterli and de la Fuente 2011
G. †Peligrochelys Sterli and de la Fuente 2013
G. †Trapalcochelys Sterli et al. 2013
Unr. †Sichuanchelyidae Tong et al. 2012
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G. †Laurasichersis Pérez-García 2020
G. †Mongolochelys Khosatzky 1997
G. †Sichuanchelys Ye and Pi 1997
G. †Platycheloides Haughton 1928
Fm. †Proganochelyidae
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G. †Ypomonetikochelys Szczygielski and Dróżdż 2026
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†Ypomonetikochelys euryaspis Szczygielski and Dróżdż 2026
Invalid names: Triassochelyidae Abel 1919 [synonym]
G. †Proganochelys Baur 1887
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†Proganochelys quenstedtii Baur 1887
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Invalid names: Psammochelys keuperina Quenstedt 1889 [objective synonym], Stegochelys dux Jaekel 1914 [synonym]
†Proganochelys tenertesta Joyce et al. 2009
Invalid names: Psammochelys Quenstedt 1889 [synonym]
Fm. †Proterochersidae Nopcsa 1928
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G. †Chinlechelys Joyce et al. 2009
G. †Cryptochersis Szczygielski and Dróżdż 2026
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†Cryptochersis paraxene Szczygielski and Dróżdż 2026
G. †Keuperotesta Szczygielski and Sulej 2016
G. †Proterochersis Fraas 1913
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†Proterochersis limendorsa Szczygielski and Sulej 2016
†Proterochersis porebensis Szczygielski and Sulej 2016
†Proterochersis robusta Fraas 1913
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Invalid names: Chelytherium obscurum Meyer 1863 [synonym], Chelytherium obscurum Meyer 1863 [synonym], Murrhardtia staeschei Karl and Tichy 2000 [synonym], Murrhardtia staeschei Karl and Tichy 2000 [synonym], Proterochersis intermedia Fraas 1913 [synonym], Proterochersis intermedia Fraas 1913 [synonym]
†Proterochersis robusta Fraas 1913
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Invalid names: Chelytherium obscurum Meyer 1863 [synonym], Chelytherium obscurum Meyer 1863 [synonym], Murrhardtia staeschei Karl and Tichy 2000 [synonym], Murrhardtia staeschei Karl and Tichy 2000 [synonym], Proterochersis intermedia Fraas 1913 [synonym], Proterochersis intermedia Fraas 1913 [synonym]
Invalid names: Chelytherium Meyer 1863 [synonym], Murrhardtia Karl and Tichy 2000 [synonym]
Or. Testudines Batsch 1788 [turtle]
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Subor. †Amphichelydia Lydekker 1889
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Superfm. †Pleurosternoidea Hay 1930
Superfm. †Proganochelyoidea Baur 1887
G. †Asturichelys Bergounioux 1957
G. †Chelonipus von Lilienstern 1939
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†Chelonipus cuneiformis von Lilienstern 1939
†Chelonipus plieningeri Haubold 1971
†Chelonipus torquatus von Lilienstern 1939
Subor. Cryptodira Cope 1868
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Superfm. Chelonioidea Baur 1893 [sea turtle]
Superfm. †Dermochelyoidea
Unr. Durocryptodira Danilov and Parham 2008
Unr. Eucryptodira Gaffney 1975
G. †Galvechelone Pérez-García and Murelaga 2012
Fm. Kinosternoidea Hay 1892 [mud turtle]
Fm. †Nanhsiungchelyidae Yeh 1966
Unr. Panchelonioidea Joyce et al. 2004
Unr. †Pantestudinoidea Joyce et al. 2004
G. †Polysternum Bergounioux 1935
Unr. Trionychia
Fm. Trionychidae Gray 1825 [softshell turtle]
Superfm. Trionychoidea Fitzinger 1826
Invalid names: Adocusia Danilov and Parham 2006 [empty], Carettochelyoidea Romer 1956 [empty], Chersidae Zittel 1890 [empty], Cryptoderinea Vaillant 1894 [empty], Dermatochelydidae [empty], Glyptopidae [empty], Glyptopsidae Marsh 1890 [empty], Indochelyidae Datta et al. 2000 [empty], Kallokibotioninae Nopsca 1923 [empty], Kayentachelyidae Gaffney et al. 1987 [empty], Kinosternia Gaffney and Meylan 1988 [empty], Kinosternoidae Holroyd and Hutchison 2002 [empty], Meiolaniidae Lydekker 1887 [empty], Pantrionychia Joyce et al. 2004 [empty], Platysternoidea Baur 1893 [empty], Selmacryptodira Gaffney et al. [empty], Tritosternidae Lydekker 1889 [empty]
Unr. †Panpleurodira Danilov and Parham 2008
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G. †Caribemys Fuente and Iturralde-Vinet 2001
Unr. †Dortokidae Lapparent de Broin and Murelaga 1996
G. Pelomedusa Wagler 1830 [African helmeted turtle]
Unr. †Platychelyidae
Subor. Pleurodira Cope 1865 [sideneck turtle]
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Unr. †Bothremydidae Baur 1891
Fm. Chelidae Gray 1825
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Invalid names: Chelydidae Gray 1869 [synonym], Hydraspididae Cope 1868 [synonym]
Unr. Eupleurodira Gaffney and Meylan 1988
Unr. †Panchelidae Joyce et al. 2004
Superfm. †Pelomedusoides Broin 1988
Invalid names: Amphichelydidae Hay [empty], Megapleurodira Gaffney et al. 2006 [empty], Minipleurodira Gaffney et al. 2006 [empty], Notoemydidae Fernandez and de la Fuente 1994 [empty], Panpelomedusoides Joyce et al. 2004 [empty], Platychelira Gaffney et al. 2006 [empty]
Fm. †Sinochelyidae Chkhikvadze 1970
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G. †Sinochelys Wiman 1930
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Invalid names: Heishanemys Bohlin 1953 [synonym], Peishanemys Bohlin 1953 [synonym], Scutemys Wiman 1930 [synonym]
Invalid names: Peishanemydidae Nessov 1981 [synonym]
Invalid names: Apertotemporalis Stromer 1934 [nomen dubium], Apholidemys Pomel 1847 [nomen dubium], Casichelydia Gaffney 1975 [empty], Chelone obovata Owen 1842 [nomen dubium], Chelone sopita Leidy 1865 [nomen vanum], Chelonia Latreille 1800 [synonym], Chelonii Latreille 1800 [synonym], Cryptrodiramorpha Lee 1995 [empty], Euclastochelys Bergounioux 1955 [nomen dubium], Euclastochelys interrupta Bergounioux 1955 [nomen dubium], Kallokibotionidae Gaffney and Meylan 1992 [empty], Meiolania damelipi White et al. 2010 [nomen dubium], Platychelone Dollo 1909 [nomen nudum], Platychelone emarginata Dollo 1909 [nomen nudum], Plesiochelydiae [empty], Podocnemis lata Ristori 1895 [invalid subgroup], Proganochelydia [empty], Senonemys suemegensis Bohn 1966 [nomen dubium], Sokotochelys Halstead 1979 [nomen dubium], Temnoclemmys cordiformis Bergounioux 1958 [nomen vanum], Trionyx fuchienensis Yeh 1974 [nomen dubium], Trionyx tshelkarensis Chkhikvadze 1973 [nomen nudum]
G. †Testudinites Weiss 1830
Fm. Testudofiexoolithidae Hirsch 1996
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Fm. Testudoolithidae Hirsch 1996
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Unr. †Thalassochelydia Anquetin et al. 2017
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Fm. †Eurysternidae Dollo 1886
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G. †Chelonides Maack 1869
G. †Hydropelta Meyer 1850
G. †Idiochelys Meyer 1839
G. †Palaeomedusa Meyer 1860
G. †Parachelys Meyer 1864
Invalid names: Plesiochelys minima Oertel 1915 [nomen dubium]
G. †Eurysternum Meyer 1839
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†Eurysternum neuquinum Fernandez and de la Fuente 1988
†Eurysternum wagleri Meyer 1839
G. †Hylaeochelys Lydekker 1889
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†Hylaeochelys belli Mantell 1844
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Invalid names: Archaeochelys valdensis Lydekker 1889 [synonym], Hylaeochelys sollasi Nopcsa 1928 [synonym], Platemys dixoni Owen 1853 [synonym], Platemys mantelli Owen 1841 [synonym]
†Hylaeochelys kappa Pérez-García and Ortega 2014
Invalid names: Archaeochelys Lydekker 1889 [synonym]
G. †Jurassichelon Pérez-García 2015
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†Jurassichelon moseri Bräm 1965
†Jurassichelon oleronensis Pérez-García 2015
G. †Neusticemys Fernandez and de la Fuente 1993
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†Neusticemys neuquina Fernandez and de la Fuente 1988
Fm. †Plesiochelyidae Rütimeyer 1873
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G. †Craspedochelys Rütimeyer 1873
G. †Globochelus de Lapparent de Broin et al. 2021
G. †Portlandemys Gaffney 1975
G. †Tholemys Andrews 1921
G. †Yanduchelys Peng et al. 2005
Invalid names: Emys dutertrei Sauvage 1872 [nomen dubium], Hispaniachelys Slater et al. 2011 [nomen dubium], Hispaniachelys prebetica Slater et al. 2011 [nomen dubium], Stylemys lindenensis Maack 1869 [nomen dubium]
G. †Solnhofia Gaffney 1975
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†Solnhofia brachyrhyncha Anquetin and Püntener 2020
†Solnhofia parsonsi Gaffney 1975
G. †Thalassemys Rütimeyer 1859
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†Thalassemys bruntrutana Puntener et al. 2015
†Thalassemys carva Nessov 1984
†Thalassemys hugii Rütimeyer 1873
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Invalid names: Eurysternum ignoratum Bräm 1965 [synonym], Thalassemys gresslyi Rütimeyer 1873 [synonym]
Invalid names: Parathalassemys Nessov and Krassevskaya 1984 [synonym]
G. †Tropidemys Rütimeyer 1873
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†Pelobatochelys blakii Seeley 1875
†Tropidemys langii Rütimeyer 1873
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Invalid names: Craspedochelys plana Rütimeyer 1873 [synonym], Tropidemys expansa Rütimeyer 1873 [synonym], Tropidemys gibba Rütimeyer 1873 [synonym]
†Tropidemys seebachi Portis 1878
Invalid names: Chelonia valanginiensis Pictet and Campiche 1862 [nomen dubium], Chelonides robusta Portis 1878 [nomen dubium]
Invalid names: Acichelys approximata Wagner 1856 [nomen dubium], Euryaspis radians Wagner 1861 [nomen dubium], Plesiochelys oblonga Oertel 1924 [nomen dubium], Plesiochelys pumilio Oertel 1924 [nomen dubium], Thalassemys heusseri Oertel 1924 [nomen dubium], Tropidemys morinica Sauvage 1880 [nomen dubium]
Subor. Thecophora Dollo
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Invalid names: Chelonioidae Hay 1930 [empty], Chelydoidae Hay 1930 [empty], Emydoidae Hay 1930 [empty], Pleurosternoidae Hay 1930 [empty], Thalassemydoidae Hay 1930 [empty], Trionychoidae Hay 1930 [empty]
Invalid names: Aplax oberndorferi Meyer 1843 [nomen dubium], Athecae Cope 1871 [empty], Chelonipedidae Sarjeant and Langston 1994 [empty], Chelycarapookus Warren 1969 [nomen dubium], Chelycarapookus arcuatus Warren 1969 [nomen dubium], Chelys blakii Mackie 1863 [nomen dubium], Chengyuchelyidae Yeh 1990 [empty], Emys neumayri Seeley 1881 [nomen dubium], Emys paranensis Burmeister 1885 [nomen nudum], Heckerochelyidae Sukhanov 2006 [empty], Megasternon Gray 1842 [nomen nudum], Mongolochelyidae Sukhanov and Pozdnjakov [empty], Pappochelydia Danilov et al. 2014 [empty], Platemys sehuensis Ameghino 1889 [nomen dubium], Protochelys Lydekker 1889 [nomen dubium], Testudo elata Gervais 1877 [nomen dubium], Testudo stricklandi Phillips 1871 [nomen dubium], Tretosternon punctatum Owen 1842 [nomen dubium], Trionyx mammillaris Cope 1877 [nomen nudum]
Invalid names: Sauropterygomorpha Wolniewicz et al. 2023 [empty]
Diagnosis
No diagnoses are available