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Thescelosauridae
Taxonomy
Thescelosauridae was named by Sternberg (1937). Its type is Thescelosaurus. It was considered monophyletic by Brown et al. (2013).
It was synonymized subjectively with Hypsilophodontidae by Kuhn (1964) and Kuhn (1966).
It was assigned to Ornithopoda by Tatarinov (1964); to Brachypoda by Thulborn (1974) and Thulborn (1977); to Iguanodontia by Russell (1984); to Ornithopoda by Brown et al. (2013); and to Neornithischia by Madzia et al. (2018), Herne et al. (2019), Barta and Norell (2021) and Bonde et al. (2022).
It was synonymized subjectively with Hypsilophodontidae by Kuhn (1964) and Kuhn (1966).
It was assigned to Ornithopoda by Tatarinov (1964); to Brachypoda by Thulborn (1974) and Thulborn (1977); to Iguanodontia by Russell (1984); to Ornithopoda by Brown et al. (2013); and to Neornithischia by Madzia et al. (2018), Herne et al. (2019), Barta and Norell (2021) and Bonde et al. (2022).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Thescelosauridae Sternberg p. 375 |
| 1964 | Thescelosauridae Tatarinov p. 570 |
| 1974 | Thescelosauridae Thulborn p. 172 |
| 1977 | Thescelosauridae Thulborn p. 726 fig. 1 |
| 1984 | Thescelosauridae Russell p. 29 |
| 2013 | Thescelosauridae Brown et al. p. 497 |
| 2018 | Thescelosauridae Madzia et al. p. 973 fig. 4 |
| 2019 | Thescelosauridae Herne et al. p. 573 |
| 2021 | Thescelosauridae Barta and Norell |
| 2022 | Thescelosauridae Bonde 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.
Fm. †Thescelosauridae Sternberg 1937
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Subfm. †Thescelosaurinae Sternberg 1940
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Peczkis 1995, Marsh 1875 | |||||
Age range: base of the Late/Upper Cenomanian to the top of the Early/Lower Maastrichtian or 99.60000 to 66.00000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cenomanian | USA (Nevada) | Hypsilophodontidae indet. (181585) | |
| Late/Upper Cenomanian - Early/Lower Turonian | Argentina (Chubut) | Dryomorpha indet. (66893) | |
| Santonian - Campanian | Mongolia (Dornogov) | Hypsilophodontidae indet. (80183) | |
| Late/Upper Campanian | Mongolia (Omnogov Aimak) | Haya griva (68517) | |
| Late/Upper Campanian | Canada (Alberta) | Thescelosauridae indet. (227125) | |
| Middle Campanian - Late/Upper Campanian | Canada (Saskatchewan) | Thescelosauridae indet. (14494) | |
| Early/Lower Maastrichtian | USA (Alaska) | Thescelosaurinae indet. (14495 88975) | |
| Early/Lower Maastrichtian | Canada (Alberta) | Parksosaurus warreni (135741 224151) Thescelosaurus warreni (48624) | |
| Lancian | USA (Wyoming) | Thescelosauridae indet. (14541 14542 70340 75297 75429 75432 75447) |