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Miadanasuchus
Taxonomy
Miadanasuchus was named by Rasmusson Simons and Buckley (2009).
It was assigned to Trematochampsidae by Rasmusson Simons and Buckley (2009); to Crocodyliformes by Bronzati et al. (2012); and to Peirosauridae by Geroto and Bertini (2019), Nicholl et al. (2021).
It was assigned to Trematochampsidae by Rasmusson Simons and Buckley (2009); to Crocodyliformes by Bronzati et al. (2012); and to Peirosauridae by Geroto and Bertini (2019), Nicholl et al. (2021).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Miadanasuchus Rasmusson Simons and Buckley p. 599 |
| 2012 | Miadanasuchus Bronzati et al. |
| 2019 | Miadanasuchus Geroto and Bertini |
| 2021 | Miadanasuchus Nicholl 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. †Miadanasuchus Rasmusson Simons and Buckley 2009
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†Miadanasuchus oblita Buffetaut and Taquet 1979
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. L. Rasmusson Simons and G. A. Buckley 2009 | Differs from all other trematochampsid genera (for which comparable parts are preserved) in presence of distinct convex medial ridge on dorsal surface of fused frontals; differs from Hamadasuchus, Bergisuchus, and Eremosuchus in unique combination of large dentary teeth at positions four and ten; differs from Trematochampsa, Hamadasuchus, and Bergisuchus in sinusoidal lateral margin of dentary in dorsal view; differs from Hamadasuchus and Bergisuchus in presence of lateral concavity in dentary positioned to accommodate large maxillary teeth; dentary proportionally wider and deeper than that of Trematochampsa, Itasuchus, and Eremosuchus. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Bush and Bambach 2015, Benton 1983, Kiessling 2004, Hendy et al. 2009 | |||||
Age range: Maastrichtian or 72.20000 to 66.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Madagascar (Mahajanga) | M. oblita (90031 144728 206553) Trematochampsa oblita (114828) |