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Bajkuria
Taxonomy
Bajkuria was named by Ustritsky (1963). Its type is Bajkuria dorsosinuata.
It was assigned to Reticulariidae by Ustritsky (1963); and to Phricodothyridinae by Williams et al. (2006).
It was assigned to Reticulariidae by Ustritsky (1963); and to Phricodothyridinae by Williams et al. (2006).
Species
B. dorsosinuata (type species), B. rostrata
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Bajkuria Ustritsky p. 116 |
| 2006 | Bajkuria Williams et al. p. 1866 |
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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.
G. †Bajkuria Ustritsky 1963
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†Bajkuria dorsosinuata Ustritsky 1963
†Bajkuria rostrata Kutorga 1842
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 10.6 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Asselian to the top of the Changhsingian or 298.90000 to 251.90200 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | China (Guangxi) | Squamularia rostrata (134312) | |
| Asselian - Sakmarian | Laos | Reticularia rostrata (233571) | |
| Asselian - Sakmarian | China (Xinjiang) | Reticularia rostrata (119867) | |
| Sakmarian | Russian Federation | B. rostrata (119328) | |
| Artinskian | Canada (British Columbia) | Squamularia rostrata (82123) | |
| Leonardian | USA (Oregon) | Squamularia rostrata (129174) | |
| Kungurian | USA (Oregon) | Squamularia rostrata (40961 40971 40975 40977 41228 41230 41231 41232 41254 41256 41270 41277 41278 129177 129199) | |
| Wordian | Russian Federation | B. dorsosinuata (119368 119369 119370 119373) | |
| Changhsingian | China (Chongqing) | Squamularia rostrata (94984 94985) | |
| Changhsingian | China (Guizhou) | Squamularia rostrata (117465) |