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Sedgwickia guangdongensis
Taxonomy
Sedgwickia guangdongensis was named by Zhang (1977). Its type specimen is IV55277, a valve (Left valve), and it is a mold. Its type locality is Liantang, Jiupo, Lianxian County, which is in a Wuchiapingian marine siliciclastic in the Longtan Formation of China.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Sedgwickia guangdongensis Zhang p. 532 figs. Pl 202, figs 4,5 |
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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.
†Sedgwickia guangdongensis Zhang 1977
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 8.19 | 5.58 | 16.7 | 5.90 | 6.33 |
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009, Clapham 2015 | |||||
Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | China (Guangdong) | Sedgwickia guangdongensis (type locality: 121062) | |
| Changhsingian | China (Fujian) | Sedgwickia guangdongensis (111730) |