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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hesperosaurus
Taxonomy
Hesperosaurus was named by Carpenter et al. (2001). It is not extant.
It was synonymized subjectively with Stegosaurus by Maidment et al. (2008) and Mateus et al. (2009).
It was assigned to Stegosauria by Chure et al. (2006); and to Stegosauridae by Carpenter et al. (2001), Galton and Upchurch (2004), Maidment et al. (2006), Galton (2007), Ulansky (2014) and Maidment et al. (2018).
It was synonymized subjectively with Stegosaurus by Maidment et al. (2008) and Mateus et al. (2009).
It was assigned to Stegosauria by Chure et al. (2006); and to Stegosauridae by Carpenter et al. (2001), Galton and Upchurch (2004), Maidment et al. (2006), Galton (2007), Ulansky (2014) and Maidment et al. (2018).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Hesperosaurus Carpenter et al. |
| 2004 | Hesperosaurus Galton and Upchurch p. 344 |
| 2006 | Hesperosaurus Chure et al. p. 237 |
| 2006 | Hesperosaurus Maidment et al. p. 951 fig. 8 |
| 2007 | Hesperosaurus Galton p. 25 |
| 2014 | Hesperosaurus Ulansky p. 5 |
| 2018 | Hesperosaurus Maidment et al. p. 2 |
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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. †Hesperosaurus Carpenter et al. 2001
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†Hesperosaurus mjosi Carpenter et al. 2001
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Marsh 1875 | |||||
Age range: Kimmeridgian or 157.30000 to 152.10000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oxfordian - Early/Lower Kimmeridgian | USA (Wyoming) | H. mjosi (126540) | |
| Kimmeridgian | USA (Montana) | H. mjosi (49624) | |
| Kimmeridgian | USA (Wyoming) | H. mjosi (185607) Stegosauridae indet. (55349) Stegosaurus sp. (38884 46465) | |
| Kimmeridgian - Tithonian | USA (Montana) | Stegosaurus mjosi (215054) |