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Rhipidomella subcircularis
Taxonomy
Rhipidomella subcircularis was named by Shen and He (1994) [Probably at China University of Mining and Technology]. Its type specimen is GD-8161 and is a 3D body fossil. Its type locality is Wenjiangsi Section, Changxing Fm, Guiding County, which is in a Changhsingian carbonate limestone in the Changxing Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Rhipidomella subcircularis Shen and He p. 447 figs. Pl 1, figs 6-8 |
| 2007 | Rhipidomella subcircularis Shen and Shi p. 38 figs. Pl 14, figs 14-26 |
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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.
†Rhipidomella subcircularis Shen and He 1994
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 6.64 | 6.10 | 7.60 | 6.50 | 0.612 |
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.90000 to 252.17000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Jiangxi) | Acosarina dorashamensis (97113) | |
| Changhsingian | China (Guizhou) | Rhipidomella subcircularis (type locality: 117489) |