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Arcullina qubuensis
Taxonomy
Spiriferella qubuensis was named by Zhang (1976). Its type specimen is IGAS 00933 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.
It was synonymized subjectively with Spiriferella nepalensis by Shen et al. (2003); it was recombined as Arcullina qubuensis by Waterhouse (2004).
It was synonymized subjectively with Spiriferella nepalensis by Shen et al. (2003); it was recombined as Arcullina qubuensis by Waterhouse (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Spiriferella qubuensis Zhang p. 212 figs. Pl 18, figs 1-5 |
| 2001 | Spiriferella qubuensis Shen et al. p. 169 figs. 7.17-7.29 |
| 2003 | Spiriferella qubuensis Shi et al. p. 1062 figs. 5.10,5.11,5.15-5.17 |
| 2004 | Arcullina qubuensis Waterhouse |
| 2018 | Spiriferella qubuensis Xu et al. p. 156 figs. Pl 2, figs 15-17 |
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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.
†Arcullina qubuensis Zhang 1976
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 14.3 | - | - | - | - | |
| valve height | 4 | 16.0 | 13.7 | 20.1 | 15.5 | 2.75 |
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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 Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Capitanian - Wuchiapingian | China (Xizang) | Spiriferella qubuensis (117771) | |
| Wuchiapingian | China (Xizang) | Spiriferella qubuensis (73597 73599) | |
| Lopingian | China (Xizang) | Spiriferella qubuensis (192075) | |
| Changhsingian | China (Xizang) | Spiriferella qubuensis (73600 73601 73602 73607 type locality: 110495 117541) |