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Dianchungosaurus lufengensis
Taxonomy
Dianchungosaurus lufengensis was named by Young (1982). Its type specimen is IVPP V4735a, a partial skull (Left premaxilla), and it is a 3D body fossil. Its type locality is Chang village, which is in a Sinemurian terrestrial horizon in the Lufeng Formation of China. It is the type species of Dianchungosaurus.
It was considered a nomen dubium by Weishampel and Witmer (1990); it was considered a nomen dubium by Norman et al. (2004).
It was considered a nomen dubium by Weishampel and Witmer (1990); it was considered a nomen dubium by Norman et al. (2004).
Synonymy list
Year | Name and author |
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1982 | Dianchungosaurus lufengensis Young p. 38 figs. 1-2 |
1992 | Dianchungosaurus lufengensis Dong p. 165 |
2005 | Dianchungosaurus lufengensis Barrett and Xu p. 984 |
2008 | Dianchungosaurus lufengensis Irmis and Knoll p. 122 |
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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.
†Dianchungosaurus lufengensis Young 1982
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Diagnosis
Reference | Diagnosis | |
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P. M. Barrett and X. Xu 2005 | A mesoeucrocodylian with the following autapomorphies: distinct diastema separating the mesial margin of the first premaxillary tooth alveolus and the medial margin of the premaxilla; a second diastema separating the first and second premaxillary teeth; and caniniform first premaxillary tooth, significantly larger than the second and third premaxillary teeth. |
Measurements
No measurements are available
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Source: subo = suborder, c = class, subp = subphylum, uc = unranked clade | |||||
References: Bush and Bambach 2015, Carroll 1988, Benton 1983, Hendy et al. 2009 |
Age range: Sinemurian or 199.50000 to 192.90000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Sinemurian | China (Yunnan) | Dianchungosaurus lufengensis (type locality: 137353) |