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Obtusoconus paucicostatus
Taxonomy
Obtusoconus paucicostatus was named by Yü (1979). It is not extant. Its type locality is Yangtzeconus priscus - Archaeospira ornata assemblage, Yangtze Gorge, Yichang, which is in a Tommotian carbonate phosphorite in the Huangshandong Formation of China. It is the type species of Obtusoconus.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1979 | Obtusoconus paucicostatus Yü |
| 1983 | Hamatoconus pygmaeus Chen and Xiong p. 159 figs. pl. 4 f. 18 |
| 1989 | Hamataconus pygmaeus Missarzhevsky p. 181 |
| 2017 | Obtusoconus paucicostatus Kouchinsky et al. p. 338 |
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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.
†Obtusoconus paucicostatus Yü 1979
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Invalid names: Obtusoconus pygmaeus Chen and Xiong 1983 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy 2009, Gubanov et al. 2004, Hendy et al. 2009 | |||||
Age range: Tommotian or 525.50000 to 521.00000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Meishucunian | China (Shaanxi) | Obtusoconus paucicostatus (107775) | |
| Meishucunian | China (Hubei) | Obtusoconus paucicostatus (106525 107789) | |
| Tommotian | China (Hubei) | Obtusoconus paucicostatus (type locality: 56807 155441) |