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Navahopus
Taxonomy
Navahopus was named by Baird (1980). It is considered to be a form taxon. Its type is Navahopus falcipollex. It is the type genus of Navahopodidae.
It was assigned to Plateosauridae by Baird (1980); to Dinosauria by Morales and Colbert (1986); to Prosauropoda by Rainforth (2003); to Prosauropoda by Nicosia and Loi (2003); to Navahopodidae by Milàn et al. (2008); and to Sauropodomorpha by Irmis (2005) and Salisbury et al. (2016).
It was assigned to Plateosauridae by Baird (1980); to Dinosauria by Morales and Colbert (1986); to Prosauropoda by Rainforth (2003); to Prosauropoda by Nicosia and Loi (2003); to Navahopodidae by Milàn et al. (2008); and to Sauropodomorpha by Irmis (2005) and Salisbury et al. (2016).
Species
N. coyoteensis, N. falcipollex (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Navahopus Baird p. 221 figs. 12.2-3 |
| 1986 | Navajopus Morales and Colbert p. 21 |
| 2003 | Navahopus Nicosia and Loi p. 138 |
| 2003 | Navahopus Rainforth p. 827 |
| 2005 | Navahopus Irmis p. 64 |
| 2008 | Navahopus Milàn et al. p. 198 |
| 2016 | Navahopus Salisbury et al. p. 47 |
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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. †Navahopus Baird 1980
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†Navahopus coyoteensis Milàn et al. 2008
†Navahopus falcipollex Baird 1980
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. Baird 1980 | Quadrupedal trackways referable to the saurischian family Plateosauridae. Pes tetradactyl, clawed, with digits in order of increasing length I-II-IV-II; manus functionally tridactyl with short, clawed digits II and III directed forward, and horizontally recumbent, falciform pollex claw directed medially. | |
| J. Milàn et al. 2008 | Quadrupedal trackway with strong heteropody. Pes tetradactyl, clawed, having impression of digit I shortest and either digit III or IV the longest. Manus trace tridactyl, having impressions of short, clawed digits II and III directed forward, and a horizontally recumbent, falciform medially directed trace of a pollex claw. |
Measurements
No measurements are available
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| Source: subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: base of the Pliensbachian to the top of the Early/Lower Jurassic or 190.80000 to 174.70000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Jurassic | USA (California) | N. sp. (52175) | |
| Pliensbachian - Toarcian | USA (Utah) | N. sp. (201625) | |
| Pliensbachian - Toarcian | USA (Arizona/Utah) | Brasilichnium sp. (60455) | |
| Pliensbachian - Toarcian | USA (Arizona) | Dinosauria indet. (53826) |