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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Retimarginifera sheni
Taxonomy
Retimarginifera sheni was named by Waterhouse (2004). It is not extant. Its type specimen is NMV P305961. Its type locality is Qubu, Bed 9, which is in a Wuchiapingian marine mudstone in the Qubuerga Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Retimarginifera sheni Waterhouse |
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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.
†Retimarginifera sheni Waterhouse 2004
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 16.1 | 10.6 | 34.4 | 12.1 | 9.54 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.90000 to 252.17000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Xizang) | Retimarginifera xizangensis (60579 type locality: 60581) | |
| Changhsingian | Nepal | Marginifera sp. (99791) Transennatia sp. (43279) |