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Dromomeron
Taxonomy
Dromomeron was named by Irmis et al. (2007). It was considered monophyletic by Nesbitt (2011).
It was assigned to Dinosauromorpha by Irmis et al. (2007), Martínez and Alcober (2009); to Lagerpetidae by Nesbitt et al. (2009), Nesbitt (2011), Martínez et al. (2016), Griffin and Nesbitt (2016), Marsh (2018), Martz and Small (2019); and to Lagerpetidae by Müller et al. (2023).
It was assigned to Dinosauromorpha by Irmis et al. (2007), Martínez and Alcober (2009); to Lagerpetidae by Nesbitt et al. (2009), Nesbitt (2011), Martínez et al. (2016), Griffin and Nesbitt (2016), Marsh (2018), Martz and Small (2019); and to Lagerpetidae by Müller et al. (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Dromomeron Irmis et al. p. 359 |
| 2009 | Dromomeron Martínez and Alcober p. 1 |
| 2009 | Dromomeron Nesbitt et al. p. 499 |
| 2011 | Dromomeron Nesbitt fig. 52 |
| 2016 | Dromomeron Griffin and Nesbitt p. 8 |
| 2016 | Dromomeron Martínez et al. p. 4 |
| 2018 | Dromomeron Marsh p. 1 |
| 2019 | Dromomeron Martz and Small p. 2 |
| 2023 | Dromomeron Müller 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.
G. †Dromomeron Irmis et al. 2007
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†Dromomeron gigas Martínez et al. 2016
†Dromomeron gregorii Nesbitt et al. 2009
†Dromomeron romeri Irmis et al. 2007
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. J. Nesbitt et al. 2009 | Differs from all other dinosauromorphs in possessing the following synapmorphies: 1) a concave posterolateral surface of the crista tibiofibularis of the distal end of the femur; 2) distinct scar on the anterior surface of the distal end of the femur; and 3) posterolateral condyle of the proximal portion of the tibia is ventrally deflected or “hooked.” |
Measurements
No measurements are available
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| Source: subc = subclass, subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian - Norian | USA (Texas) | D. gregorii (22706) | |
| Lacian - Sevatian | USA (New Mexico) | D. romeri (62311) | |
| Norian | USA (Arizona) | D. gregorii (39160) | |
| Norian | USA (New Mexico) | D. romeri (52498 74202) | |
| Norian | Argentina (San Juan) | D. gigas (182613) | |
| Norian | USA (Texas) | D. gregorii (13273) D. romeri, D. gregorii (84269) D. sp. (218126) D. sp., D. romeri (196354) | |
| Norian - Rhaetian | USA (Colorado) | D. romeri (92089) | |
| Rhaetian | USA (Arizona) | D. romeri (198618) |