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Wellerellina opima
Taxonomy
Wellerellina opima was named by Shen et al. (1992). Its type specimen is NIGP 141835, a shell, and it is a 3D body fossil. Its type locality is Beifengjing Section, Bed 14, Zhongliang Hill, which is in a Changhsingian carbonate lime mudstone/mudstone in the Changxing Formation of China.
Synonymy list
| Year | Name and author |
|---|---|
| 1992 | Wellerellina opima Shen et al. p. 184 figs. Pl 4, figs 9-12 |
| 2007 | Wellerellina opima Shen and Shi p. 57 figs. Pl 22, figs 44-47; pl 23, figs 1-8 |
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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.
†Wellerellina opima Shen et al. 1992
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 5.37 | 4.20 | 6.60 | 5.60 | 1.21 |
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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: Changhsingian or 254.17000 to 252.17000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Chongqing) | Wellerellina opima (type locality: 94972 94984) |