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Chungkingosaurus
Taxonomy
Chungkingosaurus was named by Dong et al. (1983). Its type is Chungkingosaurus jiangbeiensis.
It was assigned to Stegosaurinae by Dong et al. (1983), Zhou (1986), Dong (1990) and Dong (1992); to Stegosauria by Olshevsky and Ford (1993); to Kentrosauridae by Blows (2001); to Huayangosauridae by Maidment et al. (2008); to Stegosauria by Maidment and Wei (2006) and Mateus et al. (2009); to Stegosauridae by Carroll (1988), Galton (1990), Carpenter et al. (2001), Galton and Upchurch (2004) and Li et al. (2011); to Kentrurosaurinae by Ulansky (2014); and to Huayangosaurinae by Hao et al. (2018).
It was assigned to Stegosaurinae by Dong et al. (1983), Zhou (1986), Dong (1990) and Dong (1992); to Stegosauria by Olshevsky and Ford (1993); to Kentrosauridae by Blows (2001); to Huayangosauridae by Maidment et al. (2008); to Stegosauria by Maidment and Wei (2006) and Mateus et al. (2009); to Stegosauridae by Carroll (1988), Galton (1990), Carpenter et al. (2001), Galton and Upchurch (2004) and Li et al. (2011); to Kentrurosaurinae by Ulansky (2014); and to Huayangosaurinae by Hao et al. (2018).
Species
C. jiangbeiensis (syn. C. magnus, C. giganticus) (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Chungkingosaurus Dong et al. p. 119 |
| 1986 | Chungkingosaurus Zhou p. 35 |
| 1988 | Chungkingosaurus Carroll |
| 1990 | Chungkingosaurus Dong p. 262 |
| 1990 | Chungkingosaurus Galton |
| 1992 | Chungkingosaurus Dong p. 166 |
| 1993 | Chungkingosaurus Olshevsky and Ford |
| 2001 | Chungkingosaurus Blows p. 137 |
| 2001 | Chungkingosaurus Carpenter et al. p. 73 fig. 3.14 |
| 2004 | Chungkingosaurus Galton and Upchurch p. 344 |
| 2006 | Chungkingosaurus Maidment and Wei p. 626 |
| 2008 | Chungkingosaurus Maidment et al. p. 390 |
| 2009 | Chungkingosaurus Mateus et al. |
| 2011 | Chungkingosaurus Li et al. p. 25 |
| 2014 | Chungkingosaurus Ulansky p. 6 |
| 2018 | Chungkingosaurus Hao et al. p. 431 |
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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. †Chungkingosaurus Dong et al. 1983
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†Chungkingosaurus jiangbeiensis Dong et al. 1983
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Invalid names: Chungkingosaurus giganticus Ulansky 2014 [synonym], Chungkingosaurus magnus Ulansky 2014 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Z. Dong et al. 1983 | A moderate to small sized stegosaur with a relatively high skull, thick mandible, and small and slender tightly associated dentition with asymmetrical crowns that are not superimposed. Dorsal and caudal vertebrae are amphiplatyan, four to five sacral vertebrae are completely fused with strengthened centra but fenestrated dorsal surface. Armor consists of thick and large spinous plates. Femoral shaft is tubular and straight with an inconspicuous fourth trochanter. Femur-tibia ratio is 1.61-1.68. | |
| S. C. R. Maidment et al. 2008 | As for type and only known species. |
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Peczkis 1995, Marsh 1875 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bathonian - Callovian | China (Sichuan) | C. jiangbeiensis (60067) C. sp. 1 (60068) C. sp. 2 (60069) C. sp. 3 (60070) |