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Truncatoconus yichangensis
Taxonomy
Truncatoconus yichangensis was named by Yü (1979). It is not extant. 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. It is the type species of Truncatoconus.
Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Truncatoconus yichangensis 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.
†Truncatoconus yichangensis Yü 1979
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Hendy et al. 2009 | |||||
Age range: base of the Meishucunian to the top of the Tommotian or 530.70000 to 521.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | China (Yunnan) | Truncatoconus yichangensis (171896) | |
| Meishucunian - Tommotian | China (Yunnan) | Truncatoconus yichangensis (96449) | |
| Tommotian | China (Hubei) | Truncatoconus yichangensis (type locality: 56808) |