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Atacamatitan
Taxonomy
Atacamatitan was named by Kellner et al. (2011). Its type is Atacamatitan chilensis. It was considered monophyletic by Kellner et al. (2011).
It was assigned to Titanosauridae by Kellner et al. (2011); and to Lithostrotia by Rubilar-Rogers et al. (2012).
It was assigned to Titanosauridae by Kellner et al. (2011); and to Lithostrotia by Rubilar-Rogers et al. (2012).
Species
A. chilensis (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Atacamatitan Kellner et al. p. 212 figs. 1-4 |
| 2012 | Atacamatitan Rubilar-Rogers et al. p. 247–248 fig. 4 |
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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.
G. †Atacamatitan Kellner et al. 2011
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†Atacamatitan chilensis Kellner et al. 2011
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. W. A. Kellner et al. 2011 | Titanosaurid dinosaur with the following combination of characters that distinguishes it from other members of this clade (autapomorphies are marked with an asterisk): centrum of dorsal vertebrae pierced by pleurocoels, which are rounded or elliptical but do not acuminate posteriorly*; ventral surface of the dorsal vertebra strongly concave*; posterior caudals with a laterally compressed neural spine that bears a blade-like anterior margin*; femur with the shaft getting gradually narrower until two thirds of its length* |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Marsh 1875 | |||||
Age range: Late/Upper Cretaceous or 100.50000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cretaceous | Chile (Antofagasta) | Titanosauridae indet. (59975) |