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Purella cristata
Taxonomy
Purella cristata was named by Missarzhevsky (1974). Its type locality is M71-2/66, : left bank of the Olenyok River, 6 km downstream the Chuskuna Brook, which is in a Tommotian carbonate limestone in the Kessyusa Formation of the Russian Federation. It is the type species of Purella.
It was corrected as Purella cristatus by Khomentovsky and Karlova (1993).
It was corrected as Purella cristatus by Khomentovsky and Karlova (1993).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Purella cristata Missarzhevsky |
| 1990 | Purella dzhandica Pelman et al. |
| 1993 | Purella cristatus Khomentovsky and Karlova p. 36 |
| 2017 | Purella cristata Kouchinsky et al. p. 364 |
| 2023 | Purella cristata Wagner p. 5730 |
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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.
†Purella cristata Missarzhevsky 1974
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Invalid names: Purella dzhandica Pelman et al. 1990 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus | |||||
| References: Hendy 2009, Feng et al. 2001 | |||||
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Manykaian | Russian Federation (Siberia) | Purella cristata (50316) | |
| Nemakit-Daldynian | Russian Federation (Siberia) | Purella cristata (50317 50366 50427) Purella cristatus (50419) | |
| Nemakit-Daldynian | Russian Federation (Krasnoyarsk) | Purella cristata (99473) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk) | Purella cristata (99465) | |
| Nemakit-Daldynian | Russian Federation (Khabarovsk Krai) | Purella cristata (50367 50418) | |
| Nemakit-Daldynian | Mongolia (Govi-Altay) | Purella cristata (99557) | |
| Nemakit-Daldynian | Russian Federation (Sakha) | Purella cristata (99461) | |
| Tommotian | Russian Federation (Krasnoyarsk) | Purella cristata (99484) | |
| Tommotian | Russian Federation (Sakha) | Purella cristata (type locality: 96463 233167) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | Purella cristata (96396 232905 232906 233166) | |
| Tommotian | Russian Federation (Khabarovsk Krai) | Purella cristata (50420) | |
| Tommotian | Russian Federation (Siberia) | Purella cristata (50368 50428) | |
| Tommotian | Russian Federation (Yakutiya) | Purella cristata (96456) |