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Huanghetitan
Taxonomy
Huanghetitan was named by You et al. (2006).
It was assigned to Huanghetitanidae by Lü et al. (2007); to Titanosauriformes by You et al. (2006) and Mannion and Calvo (2011); and to Somphospondyli by D'Emic (2012), Mannion et al. (2013), Mannion et al. (2019) and Apesteguía et al. (2021).
It was assigned to Huanghetitanidae by Lü et al. (2007); to Titanosauriformes by You et al. (2006) and Mannion and Calvo (2011); and to Somphospondyli by D'Emic (2012), Mannion et al. (2013), Mannion et al. (2019) and Apesteguía et al. (2021).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Huanghetitan You et al. pp. 668-669 |
| 2007 | Huanghetitan Lü et al. p. 167 |
| 2011 | Huanghetitan Mannion and Calvo |
| 2012 | Huanghetitan D'Emic |
| 2013 | Huanghetitan Mannion et al. |
| 2019 | Huanghetitan Mannion et al. |
| 2021 | Huanghetitan Apesteguía et al. |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. You et al. 2006 | Huanghetitan gen. nov. is a basal member of the Titanosauriformes distinguished from all others by its possession of extremely low sacral neural spines (lower than the height of the centrum) and transversely expanded distal ends of the neural spines (wider than neural spine height). | |
| J. Lü et al. 2007 | Gigantic sauropods with deep body cavity, the dorsal ribs of some individuals can reach at least 2.9 m in length, six sacral vertebrae, sacral spines are low and their distal ends are fused to form a platform, anterior 5 (from the first to the fifth) caudal vertebrae slightly procoelous, becoming amphiplatyan from the sixth caudal vertebra, deep longitudinal groove on the ventral surface of the anterior caudal vertebrae, all the caudal vertebrae bear short neural spines, haemal arches are not bridged at their proximal ends. |