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Goniotrema perplexum
Taxonomy
Goniotrema perplexum was named by Ulrich and Cooper (1936). Its type specimen is USNM 92872, a shell, and it is a 3D body fossil. It is the type species of Goniotrema.
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Goniotrema perplexum Ulrich and Cooper p. 626 |
| 1938 | Goniotrema perplexum Ulrich and Cooper p. 193 figs. Plate 40 C, figures 23-28 |
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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.
†Goniotrema perplexum Ulrich and Cooper 1936
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Whiterockian or 471.30000 to 457.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Whiterockian | USA (Nevada) | Goniotrema perplexum (88946) |