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Kelmayisaurus petrolicus
Taxonomy
Kelmayisaurus petrolicus was named by Dong (1973). Its type specimen is IVPP V.4022, a partial skull (left maxilla and dentary), and it is a 3D body fossil. Its type locality is Wuerho, IVPP site 64043, which is in an Aptian/Albian terrestrial mudstone/sandstone in the Lianmuqin Formation of China.
It was considered a nomen dubium by Rauhut and Xu (2005).
It was considered a nomen dubium by Rauhut and Xu (2005).
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Kelmayisaurus petrolicus Dong p. 48 figs. Pl. 4, Fig. 1-2 |
| 1978 | Kelmayisaurus petrolicus Molnar p. 76 |
| 1980 | Kelmayisaurus petrolicus Chao p. 67 |
| 1986 | Kelmayisaurus petrolicus Li et al. p. 27 |
| 1986 | Kelmayisaurus petrolicus Qi et al. p. 192 |
| 1986 | Kelmayisaurus petrolicus Zhao p. 68 |
| 1990 | Kelmayisaurus petrolicus Molnar et al. p. 191 |
| 1992 | Kelmayisaurus petrolicus Dong p. 165 |
| 1992 | Kelmyosaurus petrolicus Shen and Mateer p. 75 |
| 1994 | Kelmayisaurus petrolicus Dong p. 2097 |
| 2001 | Kelmayisaurus petrolicus Dong p. 99 |
| 2004 | Kelmayisaurus petrolicus Holtz, Jr. et al. p. 73 |
| 2011 | Kelmayisaurus petrolicus Brusatte et al. p. 66 fig. 1 |
| 2011 | Kelmayisaurus petrolicus Xing et al. p. 309 |
| 2012 | Kelmayisaurus petrolicus Carrano et al. p. 254 |
| 2014 | Kelmayisaurus petrolicus Dalman p. 161 |
| 2014 | Kelmayisaurus petrolicus Xing et al. p. 310 |
| 2020 | Kelmayisaurus petrolicus Li et al. p. 1876 |
| 2020 | Kelmayisaurus petrolicus Xing 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.
†Kelmayisaurus petrolicus Dong 1973
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. L. Brusatte et al. 2011 | Carcharodontosaurid with a single autapomorphy: the presence of a deeply inset and dorsally concave groove located anteriorly on the lateral surface of the dentary. Additionally, Kelmayisaurus shows a unique combination of characters not currently known in any other allosauroid: maxillary interdental plates more than twice as tall dorsoventrally as they are broad anteroposteriorly, prominent maxillary anterior process (the combination of these two characters results in a narrowing of the gap between the plates and the anteromedial process), and absence of an anteroventral “chin−like” process of the dentary. |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: base of the Late/Upper Aptian to the top of the Albian or 122.46000 to 100.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Aptian - Albian | China (Xinjiang) | Kelmayisaurus petrolicus (type locality: 49817) |