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Syntrophopsis obscura
Taxonomy
Porambonites obscurus was named by Hall and Whitfield (1877).
It was recombined as Parastrophia obscura by Schuchert (1897); it was recombined as Syntrophopsis obscura by Ulrich and Cooper (1938).
It was recombined as Parastrophia obscura by Schuchert (1897); it was recombined as Syntrophopsis obscura by Ulrich and Cooper (1938).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Porambonites obscurus Hall and Whitfield p. 234 figs. pl. 1, fig. 16. |
| 1897 | Parastrophia obscura Schuchert p. 300 |
| 1938 | Syntrophopsis obscura Ulrich and Cooper pp. 236 - 237 figs. Plate 53 A, figures 1-15, 18, 19 |
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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.
†Syntrophopsis obscura Hall and Whitfield 1877
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Age range: base of the Tulean to the top of the Whiterockian or 481.70000 to 457.30000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ibexian | USA (Nevada) | Syntrophopsis obscura (91172) | |
| Tulean - Blackhillsian | USA (Nevada) | Syntrophopsis obscura (210810) | |
| Whiterockian | USA (Nevada) | Syntrophopsis obscura (210812) |