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Datousaurus bashanensis
Taxonomy
Datousaurus bashanensis was named by Dong and Tang (1984). Its type specimen is IVPP V.7262-7263, a partial skeleton, and it is a 3D body fossil. Its type locality is Dashanpu Dinosaur Quarry [lower], which is in a Bajocian/Oxfordian lacustrine sandstone/mudstone in the Shaximiao Formation of China. It is the type species of Datousaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Datousaurus bashanensis Dong and Tang |
| 1984 | Datousaurus bashanensis He et al. p. 13 |
| 1990 | Datousaurus bashanensis McIntosh p. 379 |
| 1992 | Datousaurus bashanensis Dong pp. 56, 59 |
| 1993 | Datousaurus bashanensis Buffetaut et al. p. 56 |
| 1996 | Datousaurus bashanensis Zhang and Chen |
| 1997 | Datousaurus bashanensis Dong p. 793 |
| 1999 | Datousaurus bashanensis Martin-Rolland p. 289 figs. 1-2 |
| 2002 | Datousaurus bashanensis Wilson p. 248 |
| 2004 | Datousaurus bashanensis Upchurch et al. p. 261 |
| 2005 | Datousaurus bashanensis Peng et al. |
| 2011 | Datousaurus bashanensis Li et al. p. 23 |
| 2013 | Datousaurus bashanensis Tschopp and Mateus p. 325 |
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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.
†Datousaurus bashanensis Dong and Tang 1984
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. Peng et al. 2005 | Large-sized sauropod recognized by big and heavily built skull; short but high facial region; anteriorly positioned external naris; small antorbital fenestra; quadrate slightly inclined forward; robust premaxilla and maxilla; deep and heavily built lower jaws lacking external mandibular fenestra; big and spoon-shaped teeth with higher crown; dental formula Pm4 + M10~12 / D12~14; 12 cervicals, 13 dorsals, 5 sacrals and more than 45 caudals; moderately elongated cervicals with longest one about 2.5 times of average length of dorsals; opisthocoelous cervical centra with developed pleurocoels and ventral keels; relatively low cervical neural arches and spines with developed lamellar structures; spines of posterior cervicals and anterior dorsals transversely broadened but not bifurcated; weakly opisthocoelous or plateocoelous dorsal centra with weak pleurocoels; neural spines of posterior dorsals high and bar-like; all sacral centra and arches and first four spines fused; weakly amphicoelous anterior caudals with short and high centra; elongate scapula; oval-shaped coracoid; low and elongate ilium with developed pubic peduncle and plate-like ischial peduncle; and bones of limbs relatively straight and robust. |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Marsh 1875 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bajocian - Oxfordian | China (Sichuan) | Datousaurus bashanensis (type locality: 24883) |