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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Segisaurus
Taxonomy
Segisaurus was named by Camp (1936). It is the type genus of Segisauridae.
It was assigned to Segisauridae by Camp (1936), Kuhn (1939), Romer (1956), Tatarinov (1964), Romer (1966), Charig (1967), Steel (1970), Bonaparte (1978), Madsen and Miller (1979), Ostrom (1981), Russell (1984) and Paul (1988); to Podokesauridae by Carroll (1988); to Ceratosauria by Gauthier (1986), Rowe (1989) and Rowe and Gauthier (1990); to Ceratosauria by Sereno and Wild (1992); to Coelophysidae by Sereno (1997), Tykoski and Rowe (2004) and Yates (2005); to Coelophysoidea by Rauhut (2003), Carrano and Sampson (2004), Carrano et al. (2005), Ezcurra and Novas (2007) and Nesbitt et al. (2007); and to Coelophysinae by Ezcurra (2017).
It was assigned to Segisauridae by Camp (1936), Kuhn (1939), Romer (1956), Tatarinov (1964), Romer (1966), Charig (1967), Steel (1970), Bonaparte (1978), Madsen and Miller (1979), Ostrom (1981), Russell (1984) and Paul (1988); to Podokesauridae by Carroll (1988); to Ceratosauria by Gauthier (1986), Rowe (1989) and Rowe and Gauthier (1990); to Ceratosauria by Sereno and Wild (1992); to Coelophysidae by Sereno (1997), Tykoski and Rowe (2004) and Yates (2005); to Coelophysoidea by Rauhut (2003), Carrano and Sampson (2004), Carrano et al. (2005), Ezcurra and Novas (2007) and Nesbitt et al. (2007); and to Coelophysinae by Ezcurra (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Segisaurus Camp |
| 1939 | Segisaurus Kuhn p. 73 |
| 1956 | Segisaurus Romer p. 611 |
| 1964 | Segisaurus Tatarinov p. 530–531 |
| 1966 | Segisaurus Romer p. 369 |
| 1967 | Segisaurus Charig p. 713 |
| 1970 | Segisaurus Steel p. 12 |
| 1978 | Segisaurus Bonaparte p. 321 |
| 1979 | Segisaurus Madsen and Miller p. 5 |
| 1981 | Segisaurus Ostrom p. 193 |
| 1984 | Segisaurus Russell p. 22 |
| 1986 | Segisaurus Gauthier p. 9 |
| 1988 | Segisaurus Carroll |
| 1988 | Segisaurus Paul p. 295 |
| 1989 | Segisaurus Rowe |
| 1990 | Segisaurus Rowe and Gauthier p. 152 |
| 1992 | Segisaurus Sereno and Wild p. 455 |
| 1997 | Segisaurus Sereno p. 456 |
| 2003 | Segisaurus Rauhut p. 126 fig. 51 |
| 2004 | Segisaurus Carrano and Sampson p. 553 fig. 4 |
| 2004 | Segisaurus Tykoski and Rowe p. 48 |
| 2005 | Segisaurus Carrano et al. p. 835 |
| 2005 | Segisaurus Yates p. 118 fig. 9 |
| 2007 | Segisaurus Ezcurra and Novas p. 46 fig. 12 |
| 2007 | Segisaurus Nesbitt et al. p. 235 |
| 2017 | Segisaurus Ezcurra p. 531 fig. 12 |
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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
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Marsh 1875, Peczkis 1995 | |||||
Age range: Pliensbachian or 190.80000 to 182.70000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliensbachian | USA (Arizona) | S. sp. (191751) | |
| Pliensbachian - Toarcian | USA (Arizona) | Dinosauria indet. (25306) |