| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Quaesitosaurus
Taxonomy
Quaesitosaurus was named by Kurzanov and Bannikov (1983).
It was assigned to Dicraeosauridae by Hunt et al. (1995); to Diplodocidae by Carroll (1988), Mcintosh et al. (1992), McIntosh (1997), Dong (1998); to Dicraeosaurinae by Kurzanov and Bannikov (1983), Kurzanov and Bannikov (1983), McIntosh (1990), McIntosh (1990), Currie (1992), Maryanska (2000); to Titanosauridae by Salgado and Calvo (1997), Currie et al. (2003); to Saltasaurinae by Curry Rogers (2005); to Pakisauridae by Malkani (2008); to Titanosauria by Wilson and Sereno (1998), Wilson (2004), Wilson and Upchurch (2009); and to Nemegtosauridae by Upchurch (1995), Upchurch (1995), Buffetaut et al. (2002), Upchurch et al. (2004), Wilson (2005), Grellet-Tinner et al. (2011), Grellet-Tinner et al. (2012).
It was assigned to Dicraeosauridae by Hunt et al. (1995); to Diplodocidae by Carroll (1988), Mcintosh et al. (1992), McIntosh (1997), Dong (1998); to Dicraeosaurinae by Kurzanov and Bannikov (1983), Kurzanov and Bannikov (1983), McIntosh (1990), McIntosh (1990), Currie (1992), Maryanska (2000); to Titanosauridae by Salgado and Calvo (1997), Currie et al. (2003); to Saltasaurinae by Curry Rogers (2005); to Pakisauridae by Malkani (2008); to Titanosauria by Wilson and Sereno (1998), Wilson (2004), Wilson and Upchurch (2009); and to Nemegtosauridae by Upchurch (1995), Upchurch (1995), Buffetaut et al. (2002), Upchurch et al. (2004), Wilson (2005), Grellet-Tinner et al. (2011), Grellet-Tinner et al. (2012).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Quaesitosaurus Kurzanov and Bannikov p. 90 figs. 1-2 |
| 1988 | Quaesitosaurus Carroll |
| 1990 | Quaesitosaurus McIntosh pp. 56-57 |
| 1992 | Quaesitosaurus Currie p. 244 |
| 1992 | Quaesitosaurus Mcintosh et al. p. 167 |
| 1995 | Quaesitosaurus Hunt et al. p. 265 |
| 1995 | Quaesitosaurus Upchurch p. 253 |
| 1997 | Quaesitosaurus McIntosh p. 657 |
| 1997 | Quaesitosaurus Salgado and Calvo p. 43 |
| 1998 | Quaesitosaurus Dong p. 84 |
| 1998 | Quaesitosaurus Wilson and Sereno pp. 22-23 |
| 2000 | Quaesitosaurus Maryanska p. 459 |
| 2002 | Quaesitosaurus Buffetaut et al. p. 97 |
| 2003 | Quaesitosaurus Currie et al. p. 10 |
| 2004 | Quaesitosaurus Upchurch et al. p. 263 |
| 2004 | Quaesitosaurus Wilson p. 130A |
| 2005 | Quaesitosaurus Curry Rogers pp. 69-71 figs. 2.11-2.13 |
| 2005 | Quaesitosaurus Wilson p. 311 |
| 2008 | Quaesitosaurus Malkani p. 72 |
| 2009 | Quaesitosaurus Wilson and Upchurch |
| 2011 | Quaesitosaurus Grellet-Tinner et al. p. 627 |
| 2012 | Quaesitosaurus Grellet-Tinner et al. p. 8 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
G. †Quaesitosaurus Kurzanov and Bannikov 1983
show all | hide all
†Quaesitosaurus orientalis Kurzanov and Bannikov 1983
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. M. Kurzanov and A. F. Bannikov 1983 | Skull high, short, with wide snout. Squamosal bone not in contact with quadratojugal. On the posterior side of the quadrate bone, there is a large "resonator" depression. Parietal aperture absent. Occipital condyle rounded. A canal passes posteriorly from the pituitary depression in the base of the occipital bone, opening immediately below the occipital condyle. Alveloar segment of lower jaw strongly bend inwards. Maxilla bears nine teeth. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: infrao = infraorder | |||||
| Reference: Marsh 1875 | |||||
Age range: base of the Middle Campanian to the top of the Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Campanian - Late/Upper Campanian | Mongolia (Omnogov) | Q. orientalis (51971) |