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Omeisaurus changshouensis
Taxonomy
Omeisaurus changshouensis was named by Young (1958). Its type specimen is IVPP V.930, a partial skeleton, and it is a 3D body fossil. Its type locality is Moutzenhan (IVPP), which is in a Bathonian/Callovian terrestrial shale/sandstone in the Shaximiao Formation of China.
It was recombined as Mamenchisaurus changshouensis by Zhang and Chen (1996); it was synonymized subjectively with Omeisaurus junghsiensis by Martin-Rolland (1999); it was considered a nomen dubium by Upchurch et al. (2004).
It was recombined as Mamenchisaurus changshouensis by Zhang and Chen (1996); it was synonymized subjectively with Omeisaurus junghsiensis by Martin-Rolland (1999); it was considered a nomen dubium by Upchurch et al. (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Omeisaurus changshouensis Young pp. 20-21 figs. 10-14 |
| 1959 | Omeisaurus changshouensis Young p. 1154 |
| 1970 | Omeisaurus changshouensis Steel p. 71 |
| 1978 | Omeisaurus changshouensis Dong et al. |
| 1983 | Omeisaurus changshouensis Dong et al. p. 50 |
| 1984 | Omeisaurus changshouensis He p. 56 |
| 1990 | Omeisaurus changshouensis McIntosh p. 347 |
| 1996 | Mamenchisaurus changshouensis Zhang and Chen |
| 2011 | Omeisaurus changshouensis Jiang et al. p. 193 |
| 2019 | Omeisaurus changshouensis Tan et al. p. 112 |
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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.
†Omeisaurus changshouensis Young 1958
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Z. Dong et al. 1983 | Slightly larger than O. junghsiensis with relatively flattened and thinned limbs. Femur and tibia are relatively long and tibia appears to exceed the length of femur. |
Measurements
No measurements are available
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| Source: g = genus, infrao = infraorder | |||||
| References: Marsh 1875, Peczkis 1995 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bathonian - Callovian | China (Sichuan) | Omeisaurus changshouensis (type locality: 57771) |