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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Genasauria
Taxonomy
Genasauria was named by Sereno (1986) [listed as "Parvorder"]. It was considered monophyletic by Butler et al. (2008).
It was assigned to Predentata by Buchholz (2002); to Ornithischia by Sereno (1986), Sereno (1997), Sereno (1998), Sereno (1999), Weishampel (2004); to Ornithischia by Benton (1990), Sánchez-Hernández et al. (2007), Butler et al. (2007), Butler et al. (2008), Madzia et al. (2018), Dieudonné et al. (2020); and to Prionodontia by Fonseca et al. (2024).
It was assigned to Predentata by Buchholz (2002); to Ornithischia by Sereno (1986), Sereno (1997), Sereno (1998), Sereno (1999), Weishampel (2004); to Ornithischia by Benton (1990), Sánchez-Hernández et al. (2007), Butler et al. (2007), Butler et al. (2008), Madzia et al. (2018), Dieudonné et al. (2020); and to Prionodontia by Fonseca et al. (2024).
Subtaxa
Entered
by M. Carrano on 2003-01-31; modified by M. Carrano on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Genasauria Sereno |
| 1990 | Genasauria Benton p. 19 |
| 1997 | Genasauria Sereno p. 443 |
| 1998 | Genasauria Sereno p. 61 |
| 1999 | Genasauria Sereno p. 2138 fig. 2 |
| 2002 | Genasauria Buchholz p. 20 |
| 2004 | Genasauria Weishampel p. 323 |
| 2007 | Genasauria Butler et al. p. 2044 |
| 2007 | Genasauria Sánchez-Hernández et al. p. 202 |
| 2008 | Genasauria Butler et al. pp. 13-16 figs. 2-4 |
| 2018 | Genasauria Madzia et al. p. 973 fig. 4 |
| 2020 | Genasauria Dieudonné et al. |
| 2024 | Genasauria Fonseca 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. †Genasauria Sereno 1986
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Unr. †Thyreophora Nopcsa 1915
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G. †Lesothosaurus Galton 1978
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†Lesothosaurus diagnosticus Galton 1978
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Invalid names: Stormbergia dangershoeki Butler 2005 [synonym]
Superfm. †Thyreophoroidea Nopcsa 1928
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Unr. †Eurypoda Sereno 1986
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Unr. †Ankylosauria Osborn 1923 [ankylosaur]
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G. †Dracopelta Galton 1980
Unr. †Euankylosauria Soto-Acuna et al. 2021
G. †Metatetrapous Ballerstedt 1922
G. †Mymoorapelta Kirkland and Carpenter 1994
Superfm. †Nodosauroidea Bakker 1988
Unr. †Parankylosauria Soto-Acuña et al. 2021
G. †Qijiangpus Xing et al. 2007
G. †Sarcolestes Lydekker 1893
G. †Sinankylosaurus Wang et al. 2020
G. †Spicomellus Maidment et al. 2021
G. †Vectipelta Pond et al. 2023
Invalid names: Acanthopholis Huxley 1867 [nomen dubium], Acanthopholis eucercus Seeley 1879 [nomen dubium], Acanthopholis macrocercus Seeley 1869 [nomen dubium], Apraedentalia Huene 1948 [synonym], Brachypodosaurus Chakravarti 1934 [nomen dubium], Crichtonsaurus Dong 2002 [nomen dubium], Cryptodraco Lydekker 1889 [nomen dubium], Cryptosaurus Seeley 1875 [nomen dubium], Heishansaurus Bohlin 1953 [nomen dubium], Hierosaurus Wieland 1909 [nomen dubium], Palaeoscincus Leidy 1856 [nomen dubium], Palaeoscincus costatus Leidy 1856 [nomen dubium], Polacanthidae Wieland 1911 [empty], Polacanthoides Nopcsa 1928 [nomen dubium], Priconodon Marsh 1888 [nomen dubium], Priodontognathus Seeley 1875 [nomen dubium], Rhadinosaurus Seeley 1881 [nomen dubium], Rhodanosaurus Nopcsa 1929 [nomen dubium], Stegosaurus madagascariensis Piveteau 1926 [nomen dubium], Tianchiasaurus Dong 1993 [nomen dubium], Zhejiangosaurus Lü et al. 2007 [nomen dubium]
Unr. †Stegosauria Marsh 1877
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G. †Deltapodus Whyte and Romano 1995
G. †Euskelesaurus Huxley 1866
G. †Garbina Salisbury et al. 2016
Fm. †Huayangosauridae Dong et al. 1982
G. †Luluichnus Salisbury et al. 2016
G. †Stegopodus Lockley and Hunt 1998
Fm. †Stegosauridae Marsh 1880
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Invalid names: Hypsirhophidae Cope 1891 [synonym], Omosauridae Lydekker 1888 [synonym]
Invalid names: Amargastegos Ulansky 2014 [nomen dubium], Chialingosaurus Young 1959 [nomen dubium], Chialingosaurus kuani Young 1959 [nomen dubium], Craterosaurus Seeley 1874 [nomen dubium], Dravidosaurus Yadagiri and Ayyasami 1979 [nomen dubium], Eoplophysis Ulansky 2014 [nomen dubium], Ferganastegos Ulansky 2014 [nomen dubium], Lexovisaurus durobrivensis Hulke 1887 [nomen dubium], Monkonosaurus Zhao 1986 [nomen dubium], Omosaurus leedsi Seeley 1901 [nomen dubium], Regnosaurus Mantell 1848 [nomen dubium], Rigalitidae Kuhn 1961 [empty], Saldamosaurus Ulansky 2014 [nomen dubium], Wuerhosaurus ordosensis Dong 1994 [nomen dubium]
Invalid names: Ankylosauromorpha Carpenter 2001 [empty]
Fm. †Scelidosauridae Cope 1869
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Invalid names: Andhrasaurus Ulansky 2014 [nomen dubium], Bienosaurus Dong 2001 [nomen dubium], Bienosaurus lufengensis Dong 2001 [nomen dubium], Lusitanosaurus Lapparent and Zbyszewski 1957 [nomen dubium], Lusitanosaurus liasicus Lapparent and Zbyszewski 1957 [nomen dubium], Omosaurus hastiger Owen 1877 [nomen dubium], Peishansaurus Bohlin 1953 [nomen dubium], Scelidosauria Seeley 1892 [empty], Scelidosaurus arizonensis Ulansky 2014 [nomen dubium], Sinopeltosaurus Ulansky 2014 [nomen dubium], Stegosaurides Bohlin 1953 [nomen dubium], Tatisaurus Simmons 1965 [nomen dubium], Taveirosaurus Antunes and Sigogneau-Russell 1991 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Peczkis 1995, Marsh 1875, Kiessling 2004 | |||||
Age range: base of the Alaunian to the top of the Maastrichtian or 215.38000 to 66.00000 Ma
Collections (1095 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Alaunian | Luxembourg (Diekirch) | Thyreophora indet. (56047) | |
| Rhaetian - Sinemurian | United Kingdom (England) | Scelidosaurus sp. (25838) | |
| Hettangian | France (Aquitaine) | Thyreophora indet. (48852) | |
| Hettangian | United Kingdom (Northern Ireland) | Thyreophora indet. (139588) | |
| Hettangian | Venezuela (Táchira) | Lesothosaurus sp. (55294) | |
| Hettangian - Sinemurian | South Africa (Eastern Cape) | Fabrosauridae indet. (45796) | |
| Hettangian - Sinemurian | USA (Arizona) | Scutellosaurus lawleri (216632 216633 216634 216635) Scutellosaurus sp., Scutellosaurus lawleri (214349) | |
| Hettangian - Sinemurian | South Africa (Free State) | Lesothosaurus diagnosticus (48391 232311) Thyreophora indet. (47031) | |
| Hettangian - Sinemurian | Lesotho (Quthing) | Fabrosaurus australis (28613) Heterodontosaurus sp. (55340) Lesothosaurus diagnosticus (55343) Lesothosaurus sp. (55342) | |
| Hettangian - Sinemurian | Lesotho (Mafeteng) | Fabrosaurus australis (28570) Lesothosaurus sp. (55339) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Maastrichtian | India (Madhya Pradesh) | Stegosauria indet. (51964) | |
| Maastrichtian | Mongolia | Ankylosauridae indet. (206055) | |
| Maastrichtian | Canada (Alberta) | Ankylosauridae indet. (45678) | |
| Maastrichtian | China (Guangdong) | Nodosauridae indet. (71855) | |
| Maastrichtian | Portugal (Coimbra) | Ceratopsidae indet. (49276) | |
| Maastrichtian | Argentina (Río Negro) | Ankylosauria indet. (28459 222575 278971) | |
| Maastrichtian | Argentina (Chubut) | Parankylosauria indet. (231354) | |
| Maastrichtian | USA (New Jersey) | Ankylosauria indet. (57915 167743) | |
| Maastrichtian | USA (Montana) | Ankylosauridae indet. (85498 85499) | |
| Maastrichtian - Early/Lower Maastrichtian | Argentina (Río Negro) | Ankylosauria indet. (49557) Nodosauridae indet. (32370) | |