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Costatumulus tazawai
Taxonomy
Costatumulus tazawai was named by Shen et al. (2000). Its type specimen is NMV P148917, a valve (Ventral valve), and it is a 3D body fossil. Its type locality is Selong Xishan, Bed 5b, which is in a Wuchiapingian shallow subtidal shale in China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Costatumulus tazawai Shen et al. p. 743 figs. 12.1-12.8, 12.11-12.14 |
| 2008 | Costatumulus tazawai Tazawa p. 27 fig. 4.5 |
| 2012 | Costatumulus tazawai Li et al. |
| 2015 | Costatumulus tazawai Tazawa et al. p. 43 fig. 6.3 |
| 2017 | Costatumulus tazawai Shen et al. p. 718 |
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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.
†Costatumulus tazawai Shen et al. 2000
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Williams et al. 2000, Nesnidal et al. 2013 | |||||
Age range: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian | Japan | Costatumulus tazawai (118972) | |
| Capitanian | Japan | Costatumulus tazawai (62292) | |
| Wuchiapingian | China (Xizang) | Costatumulus tazawai (73592 73593 type locality: 73594 73595) |