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Yidunella
Taxonomy
Yidunella is a genus. It is not extant.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Cyclothyridinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Cyclothyridinae by Williams et al. (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Yidunella Sepkoski |
| 2002 | Yidunella Williams et al. p. 1339 |
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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. †Yidunella
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†Yidunella magna Jin et al. 1979
†Yidunella pentagona Jin et al. 1979
†Yidunella yunnanensis Jin and Fang 1977
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 9.33 | 7.10 | 13.5 | 9.50 | 2.54 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Carnian | China (Sichuan) | Y. magna (132568) | |
| Late/Upper Triassic | China (Yunnan) | Septaliphoria yunnanensis (165314) | |
| Lacian | China (Sichuan) | Y. pentagona (132569) | |
| Norian | China (Yunnan) | Septaliphoria yunnanensis (165310) | |
| Norian | China (Qinghai) | Y. magna (68595) Y. pentagina, Y. yunnanensis (68615) Y. yunnanensis (68616) | |
| Alaunian | China (Xizang) | Y. yunnanensis (44336) | |
| Rhaetian | China (Yunnan) | Septaliphoria yunnanensis (165311) |