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Rhynchopora variabilis
Taxonomy
Rhynchopora variabilis was named by Stuckenberg (1898).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Rhynchopora variabilis Stuckenberg |
| 1902 | Rhynchopora variabilis Tschernyschew p. 74 figs. Pl 21, figs 16,17 |
| 1959 | Rhynchopora variabilis Kashirtsev p. 52 figs. Pl 33, figs 2,3 |
| 1988 | Rhynchopora variabilis Abramov and Grigorieva p. 147 figs. Pl 16, figs 11-15 |
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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.
†Rhynchopora variabilis Stuckenberg 1898
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 7.30 | 5.50 | 12.0 | 5.90 | 3.64 |
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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: base of the Sakmarian to the top of the Wuchiapingian or 293.52000 to 254.17000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sakmarian | Russian Federation | Rhynchopora variabilis (100740) | |
| Artinskian | Russian Federation | Rhynchopora variabilis (110279) | |
| Kungurian | Russian Federation | Rhynchopora variabilis (186593 225521) | |
| Wordian | Pakistan | Rhynchopora variabilis (125830 125834) | |
| Wordian | Russian Federation | Rhynchopora variabilis (100715) | |
| Wuchiapingian | Pakistan | Rhynchopora variabilis (125892 125908 126341) |