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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spiriferellina excelens
Taxonomy
Spiriferellina excelens was named by Zhan (1989). It is a 3D body fossil. Its type locality is Xiaoxingchuan, Yunxi County, which is in a Wuchiapingian carbonate limestone in the Yundoutan Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Spiriferellina excelens Zhan p. 210 figs. Pl 27, figs 21-23 |
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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.
†Spiriferellina excelens Zhan 1989
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 14.4 |
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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: Wuchiapingian or 259.90000 to 254.17000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Hubei) | Spiriferellina excelens (type locality: 124836) |