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Helcionella explanata
Taxonomy
Papilloconus explanatus was named by Feng et al. (2000). Its type specimen is NIGP 132055, a shell, and it is a 3D body fossil. Its type locality is Yulu, Huize, which is in a Meishucunian/Nemakit-Daldynian marine phosphorite in the Zhujiaqing Formation of China.
It was recombined as Helcionella explanata by Demidenko and Parkhaev (2006).
It was recombined as Helcionella explanata by Demidenko and Parkhaev (2006).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Papilloconus explanatus Feng et al. p. 374 figs. pl. 2, figs. 8-10 |
| 2006 | Helcionella explanata Demidenko and Parkhaev, figs. text-figs. 4r, 4s |
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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 explanata Feng et al. 2000
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: s = species, f = family, c = class | |||||
| References: Hendy et al. 2009, Hendy 2009, Feng et al. 2000 | |||||
Age range: base of the Jinnigian to the top of the Nemakit-Daldynian or 538.80000 to 525.50000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jinnigian | China (Yunnan) | Papilloconus explanatus (201550 201551) | |
| Nemakit-Daldynian | China (Yunnan) | Helcionella explanata (171899) | |
| Meishucunian - Nemakit-Daldynian | China (Yunnan) | Papilloconus explanatus (49681 type locality: 87093) | |
| Meishucunian | China (Yunnan) | Papilloconus explanatus (201523) |