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Spiriferella sinica
Taxonomy
Spiriferella sinica was named by Zhang (1976). Its type specimen is IGAS 00929 and is a 3D body fossil. Its type locality is Qubu Section JSPf22, Tingri County, which is in a Changhsingian marine horizon in the Qubuerga Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Spiriferella sinica Zhang p. 213 figs. Pl 15, figs 11-17 |
| 2001 | Spiriferella sinica Shen et al. p. 171 figs. 10.1-10.8 |
| 2004 | Spiriferella sinica Waterhouse |
| 2018 | Spiriferella sinica Xu et al. p. 157 figs. Pl 2, figs 18-22 |
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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.
†Spiriferella sinica Zhang 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 18.6 | 13.1 | 23.1 | 21.4 | 5.35 |
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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 Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Xizang) | Spiriferella sinica (73592 73598) | |
| Lopingian | China (Xizang) | Spiriferella sinica (192075 192076) | |
| Changhsingian | China (Xizang) | Spiriferella sinica (73600 73601 110475 type locality: 110495) |