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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Elasmaria
Taxonomy
Elasmaria was named by Calvo et al. (2007). It was considered monophyletic by Calvo et al. (2007).
It was assigned to Euiguanodontia by Calvo et al. (2007) and Novas et al. (2019); to Iguanodontia by Dieudonné et al. (2020); and to Ornithopoda by Madzia et al. (2018), Herne et al. (2019) and Moyano-Paz et al. (2022).
It was assigned to Euiguanodontia by Calvo et al. (2007) and Novas et al. (2019); to Iguanodontia by Dieudonné et al. (2020); and to Ornithopoda by Madzia et al. (2018), Herne et al. (2019) and Moyano-Paz et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Elasmaria Calvo et al. p. 472 |
| 2018 | Elasmaria Madzia et al. p. 973 fig. 4 |
| 2019 | Elasmaria Herne et al. p. 578 |
| 2019 | Elasmaria Novas et al. p. 230 |
| 2020 | Elasmaria Dieudonné et al. |
| 2022 | Elasmaria Moyano-Paz et al. p. 17 |
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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. †Elasmaria Calvo et al. 2007
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G. †Atlascopcosaurus Rich and Vickers-Rich 1989
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†Atlascopcosaurus loadsi Rich and Vickers-Rich 1989
G. †Leaellynasaura Rich and Vickers-Rich 1989
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†Leaellynasaura amicagraphica Rich and Vickers-Rich 1989
G. †Mahuidacursor Cruzado-Caballero et al. 2019
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†Mahuidacursor lipanglef Cruzado-Caballero et al. 2019
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. O. Calvo et al. 2007 | Two unambiguous synapomorphies support the monophyly of Elasmaria: large basal euiguanodontian with well-developed epipophyses on the third cervical and presence of thin ossified plates on thorax.
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Measurements
No measurements are available
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| Source: g = genus, subo = suborder, o = order | |||||
| References: Peczkis 1995, Marsh 1875, Benton 1983 | |||||
Age range: base of the Late/Upper Aptian to the top of the Early/Lower Maastrichtian or 122.46000 to 66.00000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian | Australia (Victoria) | Atlascopcosaurus loadsi, Galleonosaurus dorisae (51961) Galleonosaurus dorisae (218992) | |
| Late/Upper Aptian - Early/Lower Albian | Australia (Victoria) | Hypsilophodontidae indet. (38540) Leaellynasaura amicagraphica, Atlascopcosaurus loadsi, Diluvicursor pickeringi, Galleonosaurus dorisae (118946) | |
| Early/Lower Albian | Australia (Victoria) | Hypsilophodontidae indet. A, Hypsilophodontidae indet. B (38534 38537 38542) | |
| Late/Upper Cretaceous | South Africa (Western Cape) | Kangnasaurus coetzeei (68017) | |
| Middle Turonian - Late/Upper Turonian | Argentina (Neuquén) | Iguanodontia indet. (49097 49098) | |
| Middle Coniacian - Late/Upper Coniacian | Argentina (Neuquén) | Iguanodontia indet. (55444) | |
| Santonian | Argentina (Neuquén) | Mahuidacursor lipanglef, Ornithopoda indet. (147178) | |
| Campanian | Argentina (Santa Cruz) | Talenkauen santacrucensis (52980) | |
| Late/Upper Campanian | Antarctica | Trinisaura santamartaensis (47059) | |
| Maastrichtian | Argentina (Chubut) | Elasmaria indet. (231359 231444) E. sp. (231524) | |
| Early/Lower Maastrichtian | Argentina (Santa Cruz) | Isasicursor santacrucensis (206970 227006 234530) | |
| Early/Lower Maastrichtian | Antarctica | Morrosaurus antarcticus (176012) |