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Goniotrema
Taxonomy
Goniotrema was named by Ulrich and Cooper (1936) [Sepkoski's age data: O Llvi Sepkoski's reference number: 397,878]. Its type is Goniotrema perplexum.
It was assigned to Palaeostrophomeninae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Palaeostrophomeninae by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Species
G. perplexum (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Goniotrema Ulrich and Cooper |
| 2000 | Goniotrema Williams et al. p. 326 |
| 2002 | Goniotrema Sepkoski |
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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. †Goniotrema Ulrich and Cooper 1936
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†Goniotrema perplexum Ulrich and Cooper 1936
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: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
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) | G. perplexum (88946) |