| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Gigantspinosaurus
Taxonomy
Gigantspinosaurus was named by Ouyang (1992).
It was assigned to Stegosauria by Maidment and Wei (2006), Maidment et al. (2008) and Mateus et al. (2009); to Stegosauridae by Li et al. (2011), Ulansky (2014) and Ulansky (2015); and to Huayangosaurinae by Peng et al. (2005), Xing et al. (2008) and Hao et al. (2018).
It was assigned to Stegosauria by Maidment and Wei (2006), Maidment et al. (2008) and Mateus et al. (2009); to Stegosauridae by Li et al. (2011), Ulansky (2014) and Ulansky (2015); and to Huayangosaurinae by Peng et al. (2005), Xing et al. (2008) and Hao et al. (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Gigantspinosaurus Ouyang |
| 2005 | Gigantspinosaurus Peng et al. |
| 2006 | Gigantspinosaurus Maidment and Wei p. 628 |
| 2008 | Gigantspinosaurus Maidment et al. p. 390 fig. 11 |
| 2008 | Gigantspinosaurus Xing et al. p. 1050 |
| 2009 | Gigantspinosaurus Mateus et al. |
| 2011 | Gigantospinosaurus Li et al. p. 25 |
| 2014 | Gigantspinosaurus Ulansky p. 5 |
| 2015 | Gigantspinosaurus Ulansky p. 5–6 |
| 2018 | Gigantspinosaurus Hao et al. p. 432 |
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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 | |
|---|---|---|
| G. Peng et al. 2005 | As for type species Gigantspinosaurus sichuanensis Ouyang, 1992. | |
| S. C. R. Maidment et al. 2008 | As for type and only known species. | |
| R. E. Ulansky 2015 | As for type species. |