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Helcionella tianzhushanensis
Taxonomy
Helcionella tianzhushanensis was named by Yü (1979). It is not a trace fossil. Its type locality is Truncatoconus yichangen - Cambrospira sisensi assemblage, Yangtze Gorge, Yichang, which is in a Tommotian carbonate phosphorite in the Huangshandong Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Helcionella tianzhushanensis Yü |
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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.
†Helcionella tianzhushanensis Yü 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Feng et al. 2000, Hendy et al. 2009, Hendy 2009 | |||||