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Hesperotrophia obscura
Taxonomy
Hesperotrophia obscura was named by Ulrich and Cooper (1936). Its type specimen is USNM 92882a-k, a shell, and it is a 3D body fossil.
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Hesperotrophia obscura Ulrich and Cooper p. 630 |
| 1938 | Hesperotrophia obscura Ulrich and Cooper p. 240 figs. Plate 53 B, figures 16, 17, 20, 26 |
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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.
†Hesperotrophia obscura Ulrich and Cooper 1936
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Stairsian to the top of the Blackhillsian or 483.40000 to 471.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Stairsian - Blackhillsian | Canada (Alberta) | Hesperotrophia obscura (186586) |