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Pseudophalacroma dubium
Taxonomy
Phalacroma dubium was named by Whitehouse (1936). It is not extant. It is the type species of Pseudophalacroma.
It was recombined as Lejopyge dubium by Robison (1984); it was recombined as Pseudophalacroma dubium by Peng and Robison (2000), Naimark and Pegel (2017).
It was recombined as Lejopyge dubium by Robison (1984); it was recombined as Pseudophalacroma dubium by Peng and Robison (2000), Naimark and Pegel (2017).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Phalacroma dubium Whitehouse |
| 1958 | Pseudophalacroma crebra Pokrovskaya |
| 1984 | Lejopyge dubium Robison p. 37 |
| 2000 | Pseudophalacroma dubium Peng and Robison |
| 2009 | Yakutiana crebra Özdikmen |
| 2017 | Pseudophalacroma dubium Naimark and Pegel p. 1184 |
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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.
†Pseudophalacroma dubium Whitehouse 1936
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Invalid names: Pseudophalacroma crebra Pokrovskaya 1958 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order | |||||
| References: Kiessling 2004, Hendy 2009 | |||||
Age range: base of the Zhanaarykian to the top of the Boomerangian or 503.00000 to 499.00000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mayan | Russian Federation | Pseudophalacroma crebra (225248) | |
| Mayan | Russian Federation (Sakha) | Pseudophalacroma crebra (225247) | |
| Wangcunian | China (Zhejiang) | Pseudophalacroma dubium (125538 125539) | |
| Wangcunian | China (Hunan) | Pseudophalacroma dubium (49161 49162 49281 49282 49283 128317) | |
| Wangcunian - Guzhangian | China (Zhejiang) | Pseudophalacroma dubium (125554) | |
| Zhanaarykian | Kazakhstan | Pseudophalacroma dubium (9958 9961 9962 118097 118102) | |
| Boomerangian | Australia (Queenslandd) | Pseudophalacroma dubium (225252) | |
| Ayusokkanian | Kazakhstan | Pseudophalacroma dubium (9950 118158) |