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Rhombospirifer
Taxonomy
Rhombospirifer was named by Duan and Li (1985).
It was assigned to Spiriferellidae by Shi et al. (2022).
It was assigned to Spiriferellidae by Shi et al. (2022).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Rhombospirifer Duan and Li |
| 2022 | Rhombospirifer Shi et al. p. 75 |
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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. †Rhombospirifer Duan and Li 1985
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†Rhombospirifer zhensiensis Duan and Li 1985
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 22.3 | 17.4 | 28.5 | 22.9 | 7.85 |
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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: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Russian Federation | R. zhensiensis (225518) | |
| Wordian | China (Nei Mongol) | Spirifer moosakhailensis (109091 109168 109211 109212 109215 109253) | |
| Wordian - Capitanian | China (Heilongjiang) | Spiriferella keilhavii (94837) | |
| Capitanian | China (Nei Mongol) | Spirifer moosakhailensis (109256) |