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Macelognathus
Taxonomy
Macelognathus was named by Marsh (1884). Its type is Macelognathus vagans.
It was assigned to Coeluridae by Baur (1891); to Ornithischia by Huene (1909); to Stegosauridae by von Zittel (1911); to Macelognathidae by Marsh (1884), Hay (1902) and Hay (1930); to Coelurosauria by Kuhn (1939); to Hypsilophodontidae by Kuhn (1964) and Romer (1966); to Crocodilia by Ostrom (1971); to Sphenosuchia by Gohlich et al. (2005); to Crocodylomorpha by Irmis et al. (2013); to Hallopodidae by Leardi et al. (2017); and to Solidocrania by Ruebenstahl et al. (2022).
It was assigned to Coeluridae by Baur (1891); to Ornithischia by Huene (1909); to Stegosauridae by von Zittel (1911); to Macelognathidae by Marsh (1884), Hay (1902) and Hay (1930); to Coelurosauria by Kuhn (1939); to Hypsilophodontidae by Kuhn (1964) and Romer (1966); to Crocodilia by Ostrom (1971); to Sphenosuchia by Gohlich et al. (2005); to Crocodylomorpha by Irmis et al. (2013); to Hallopodidae by Leardi et al. (2017); and to Solidocrania by Ruebenstahl et al. (2022).
Species
M. vagans (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Macelognathus Marsh p. 341 |
| 1891 | Macellognathus Baur p. 450 |
| 1902 | Macelognathus Hay p. 505 |
| 1909 | Macelognathus Huene p. 18 |
| 1911 | Macelognathus von Zittel p. 295 |
| 1930 | Macelognathus Hay p. 187 |
| 1939 | Macelognathus Kuhn p. 35 |
| 1964 | Macelognathus Kuhn p. 7 |
| 1966 | Marcellognathus Romer p. 370 |
| 1971 | Macelognathus Ostrom |
| 2005 | Macelognathus Gohlich et al. |
| 2013 | Macelognathus Irmis et al. |
| 2017 | Macelognathus Leardi et al. p. 5 |
| 2022 | Macelognathus Ruebenstahl 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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Benton 1983 | |||||
Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian - Tithonian | USA (Wyoming) | M. vagans (12816) | |
| Tithonian | USA (Colorado) | M. vagans (53040) | |
| Early/Lower Tithonian | USA (Colorado) | M. vagans (71476) |